Technical Specification CF24xxxQTXxx 18-36V 50V Continous Input Transient Input 5.0-24V 120W Outputs 4250Vdc Quarter-brick Max Power REINFORCED Insulation DC-DC Converter Rated for CF Patient Contact and Defibrillation Proof O C IN F 18 24 -3 2 6V 40 Q UT 24 TC V 05 N @ RS 5. -G 0A The CFQor series of Quarter-Brick DC-DC converters is designed for those medical applications that require isolation and leakage current levels that comply with IEC60601-1 for CF patient contact and are also defibrillation proof. They are high efficiency, fixed switching frequency, encased converters based on SynQor's well proven and reliable industrial grade products. Operational Features • • • • • High efficiency, 93% at full rated load current Delivers full power with minimal derating - no heatsink required Operating input voltage range: 18-36V continuous; 50V transient Fixed frequency switching provides predictable EMI No minimum load requirement Mechanical Features • Industry standard quarter-brick pin-out configuration • Size: 1.54" x 2.39" x 0.50", (39.0 x 60.6 x 12.7mm) • Total weight: 3 oz (85 g) Control Features • On/Off control referenced to input side • Remote sense for the output voltage • Output voltage trim range of -20%, +10% Safety Features Reinforced Insulation • 4250V, 100 MΩ input-to-output • UL 60601-1:2003 • CAN.CSA 22.2 No. 601.1-M90 • EN 60601-1/A2:1995 • IEC 60601-1/A2:1995 • CF Patient Contact • Defibrillation Proof • RoHS compliant (see last page) Product # CF24xxxQTXxx Phone 1-888-567-9596 Protection Features • • • • • Input under-voltage lockout Output current limit and short circuit protection Active back bias limit Output over-voltage protection Thermal shutdown Contents Family Electrical Characteristics (all output voltages) . . . . . . . . . . . . . . 2 Family Electrical Charts (all output voltages) . . . . . . . . . . . . . . . . . . . . 3 Electrical Characteristics (5.0 Vout) & Figures . . . . . . . . . . . . . . . . . . 4-5 Electrical Characteristics (12.0 Vout) & Figures . . . . . . . . . . . . . . . . . 6-7 Electrical Characteristics (15.0 Vout) & Figures . . . . . . . . . . . . . . . . . 8-9 Electrical Characteristics (24.0 Vout) & Figures . . . . . . . . . . . . . . . 10-11 Application Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-15 Standards & Qualifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Encased Mechanical Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Flanged Mechanical Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 1 Technical Specification CF24xxxQTXxx CF24 Family Electrical Characteristics (all output voltages) Ta = 25 °C, airflow rate = 300 LFM, Vin = 24V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. ABSOLUTE MAXIMUM RATINGS Input Voltage Non-Operating Operating Operating Transient Protection Isolation Voltage Input to Output Input to Base-Plate Output to Base-Plate Operating Temperature -40 Storage Temperature -55 Voltage at ON/OFF input pin -2 INPUT CHARACTERISTICS Operating Input Voltage Range 18 Input Under-Voltage Lockout Turn-On Voltage Threshold 16.1 Turn-Off Voltage Threshold 15.1 Lockout Voltage Hysteresis Recommended External Input Capacitance Input Filter Component Values (L\C) Recommended Input Fuse DYNAMIC CHARACTERISTICS Turn-On Transient Turn-On Time Start-Up Inhibit Time 200 Output Voltage Overshoot ISOLATION CHARACTERISTICS Isolation Voltage (dielectric strength) Isolation Resistance Isolation Capacitance (input / baseplate to output) Output Leakage Single Fault Difibrillation Pulse (input / baseplate earthed) TEMPERATURE LIMITS FOR POWER DERATING CURVES Semiconductor Junction Temperature Board Temperature Transformer Temperature Maximum Baseplate Temperature, Tb FEATURE CHARACTERISTICS Switching Frequency 230 ON/OFF Control Off-State Voltage 2.4 On-State Voltage -2 ON/OFF Control Pull-Up Voltage Pull-Up Resistance Over-Temperature Shutdown OTP Trip Point Over-Temperature Shutdown Restart Hysteresis RELIABILITY CHARACTERISTICS Calculated MTBF (Telcordia) TR-NWT-000332 Calculated MTBF (MIL-217) MIL-HDBK-217F Field Demonstrated MTBF Product # CF24xxxQTXxx Phone 1-888-567-9596 Typ. Max. Units Notes & Conditions 60 36 50 V V V 4250 4250 4250 100 125 18 V dc V dc V dc °C °C V 24 36 V 17.5 16.5 1.0 220 1.0\6.6 17.9 16.9 V V V µF µH\µF A 20 9 230 0 250 4250 100 270 27 5 250 ms ms % V dc MΩ pF µA kV Continuous Continuous 1s Reinforced insulation Baseplate temperature 50V transient for 1 s Typical ESR 0.1-0.2 Ω Internal values; see Figure D Fast acting external fuse recommended Full load, Vout=90% nom. -40 °C to +125 °C; Figure E Maximum Output Capacitance See Absolute Maximum Ratings 264Vac 60Hz Backdrive Fig. 51 60601-1 2nd Edition 125 125 125 100 °C °C °C °C Package rated to 150 °C UL rated max operating temp 130 °C 270 kHz Regulation and Isolation stages 18 0.8 V Application notes Figures A & B 5 50 125 10 2.5 2 www.synqor.com V kΩ °C °C Average PCB Temperature 106 Hrs. 80% load, 200LFM, 40 °C Ta 106 Hrs. 80% load, 200LFM, 40 °C Ta 106 Hrs. See the SynQor website for details Doc.# 005-0005449 Rev. C 06/11/10 Page 2 Technical Specification CF24xxxQTXxx Family Electrical Charts (all output voltages) 120 Nominal Vout Typical Current Limit Inception Point Output Voltage (%) 100 80 Typical Output Voltage at Shutdown 60 40 Vin min Vin nom 20 Vin max 0 0 Common Figure 1: Typical startup waveform. Input voltage pre-applied, ON/ OFF Pin on Ch 2. 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Load Current (%) Common Figure 2: Output voltage vs. load current showing typical current limit curves and converter shutdown points. 100,000.0 100,000.0 5V 10,000.0 12 V 15 V Trim Resistance (kOhms) Trim Resistance (kOhms) 10 1,000.0 100.0 10.0 24 V 10,000.0 1,000.0 100.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 Increase in Vout (%) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Increase in Vout (%) Common Figure 3: Trim graph for trim-up 5 and 12 V outputs. Common Figure 4: Trim graph for trim-up 15 and 24 V outputs. 10,000.0 Trim Resistance (kOhms) All voltages 1,000.0 100.0 10.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Decrease in Vout (%) Common Figure 5: Trim graph for trim down. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 3 Input:18-36V Output:5V Current:24A Part No.:CF24050QTC24 Technical Specification CF24050QTC24 Electrical Characteristics (5.0 Vout) Ta = 25 °C, airflow rate = 300 LFM, Vin = 24V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 9.8 A Vin min; trim up; in current limit No-Load Input Current 100 130 mA Disabled Input Current 1.5 3.0 mA Response to Input Transient 0.16 V See Figure 6 Input Terminal Ripple Current 330 mA RMS Recommended Input Fuse 20 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 4.95 5 5.05 V Output Voltage Regulation Over Line ±0.1 ±0.3 % Over Load ±0.1 ±0.3 % Over Temperature -75 75 mV Total Output Voltage Range 4.875 5.125 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 60 120 mV Full load RMS 10 20 mV Full load A Operating Output Current Range 0 24 Subject to thermal derating Output DC Current-Limit Inception 26.4 28.8 31.2 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 2.4 V Back-Drive Current Limit while Enabled 0.55 A Differential negative current drawn from output Back-Drive Current Limit while Disabled 0 16 50 mA Differential negative current drawn from output Maximum Output Capacitance 8,000 µF Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/µs) 170 mV 50% to 75% to 50% Iout max Settling Time 100 µs To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 117 122 127 % Over full temp range Load Current Scale Factor 250 See Output Load Current app. note on our web EFFICIENCY 100% Load 89 % See Figure 1 for efficiency curve 50% Load 92 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 µF ceramic and 15 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: [email protected]) Note 2: Trim-up range is limited below 10% at low line and full load. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 4 Input:18-36V Output:5V Current:24A Part No.:CF24050QTC24 Technical Specification 18 95 16 90 14 Power Dissipation (W) Efficiency (%) 85 80 75 70 18 Vin 24 Vin 65 10 8 6 4 18 Vin 24 Vin 2 36 Vin 60 36 Vin 0 0 5 10 15 20 Load Current (A) 0 Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. 30 30 25 25 20 20 15 10 400 300 200 100 5 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 5 10 15 20 Load Current (A) Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. Iout (A) Iout (A) 12 15 10 m/s) m/s) m/s) m/s) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 5 0 0 0 25 40 55 70 85 0 Ambient Air Temperature (°C) 25 40 55 70 85 Ambient Air Temperature (°C) Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/2” heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 15µF tantalum cap and 1µF ceramic cap. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (nominal to maximum), at full load current. Load cap: 15µF tantalum capacitor and 1uF ceramic cap. Ch 1: Vout, Ch 2: Vin. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 5 Input:18-36V Output:12V Current:10A Part No.:CF24120QTC10 Technical Specification CF24120QTC10 Electrical Characteristics (12.0 Vout) Ta = 25 °C, airflow rate = 300 LFM, Vin = 24V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 6.5 A Vin min; trim up; in current limit No-Load Input Current 130 160 mA Disabled Input Current 1.5 3.0 mA Response to Input Transient 0.2 V See Figure 6 Input Terminal Ripple Current 230 mA RMS Recommended Input Fuse 20 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 11.88 12 12.12 V Output Voltage Regulation Over Line ±0.1 ±0.3 % Over Load ±0.1 ±0.3 % Over Temperature -180 180 mV Total Output Voltage Range 11.7 12.3 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 50 80 mV Full load RMS 10 20 mV Full load A Operating Output Current Range 0 10 Subject to thermal derating Output DC Current-Limit Inception 11.0 12.0 13.0 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 4.9 V Back-Drive Current Limit while Enabled 0.35 A Differential negative current drawn from output Back-Drive Current Limit while Disabled 0 16 50 mA Differential negative current drawn from output Maximum Output Capacitance 1,500 µF Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/µs) 350 mV 50% to 75% to 50% Iout max Settling Time 100 µs To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 117 122 127 % Over full temp range Load Current Scale Factor 133 See Output Load Current app. note on our web EFFICIENCY 100% Load 93 % See Figure 1 for efficiency curve 50% Load 93 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 µF ceramic and 15 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: [email protected]) Note 2: Trim-up range is limited below 10% at low line and full load. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 6 Input:18-36V Output:12V Current:10A Part No.:CF24120QTC10 Technical Specification 12 95 90 10 Power Dissipation (W) Efficiency (%) 85 80 75 70 18 Vin 6 4 18 Vin 2 24 Vin 65 8 24 Vin 36 Vin 36 Vin 60 0 0 2 4 6 Load Current (A) 8 10 12 12 10 10 8 8 6 4 400 300 200 100 2 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 2 4 6 Load Current (A) 8 10 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. Iout (A) Iout (A) Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. 0 6 4 m/s) m/s) m/s) m/s) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 2 0 0 0 25 40 55 70 85 0 Ambient Air Temperature (°C) 25 40 55 70 85 Ambient Air Temperature (°C) Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/2” heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 15µF tantalum cap and 1µF ceramic cap. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (nominal to maximum), at full load current. Load cap: 15µF tantalum capacitor and 1uF ceramic cap. Ch 1: Vout, Ch 2: Vin. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 7 Input:18-36V Output:15V Current:8A Part No.:CF24150QTC08 Technical Specification CF24150QTC08 Electrical Characteristics (15.0 Vout) Ta = 25 °C, airflow rate = 300 LFM, Vin = 24V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 9.6 A Vin min; trim up; in current limit No-Load Input Current 120 150 mA Disabled Input Current 1.5 3.0 mA Response to Input Transient 0.25 V See Figure 6 Input Terminal Ripple Current 260 mA RMS Recommended Input Fuse 20 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 14.85 15.00 15.15 V Output Voltage Regulation Over Line ±0.1 ±0.3 % Over Load ±0.1 ±0.3 % Over Temperature -225 225 mV Total Output Voltage Range 14.625 15.375 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 60 90 mV Full load RMS 10 20 mV Full load A Operating Output Current Range 0 8 Subject to thermal derating Output DC Current-Limit Inception 8.8 9.6 10.4 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 6.4 V Back-Drive Current Limit while Enabled 0.25 A Differential negative current drawn from output Back-Drive Current Limit while Disabled 0 16 50 mA Differential negative current drawn from output Maximum Output Capacitance 1,000 µF Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/µs) 520 mV 50% to 75% to 50% Iout max Settling Time 100 µs To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 117 122 127 % Over full temp range Load Current Scale Factor 100 See Output Load Current app. note on our web EFFICIENCY 100% Load 93 % See Figure 1 for efficiency curve 50% Load 93 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 µF ceramic and 15 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: [email protected]) Note 2: Trim-up range is limited below 10% at low line and full load. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 8 Input:18-36V Output:15V Current:8A Part No.:CF24150QTC08 95 14 90 12 85 10 Power Dissipation (W) Efficiency (%) Technical Specification 80 75 70 8 6 4 18 Vin 18 Vin 24 Vin 65 24 Vin 2 36 Vin 36 Vin 60 0 0 1 2 3 4 5 Load Current (A) 6 7 8 9 9 8 8 7 7 6 6 5 5 4 3 400 300 200 100 2 1 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 1 2 3 4 5 Load Current (A) 6 7 8 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. Iout (A) Iout (A) Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. 0 4 3 m/s) m/s) m/s) m/s) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 2 1 0 0 0 25 40 55 70 85 0 Ambient Air Temperature (°C) 25 40 55 70 85 Ambient Air Temperature (°C) Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/2” heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 15µF tantalum cap and 1µF ceramic cap. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (nominal to maximum), at full load current. Load cap: 15µF tantalum capacitor and 1uF ceramic cap. Ch 1: Vout, Ch 2: Vin. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 9 Input:18-36V Output:24V Current:5A Part No.:CF24240QTC05 Technical Specification CF24240QTC05 Electrical Characteristics (24.0 Vout) Ta = 25 °C, airflow rate = 300 LFM, Vin = 24V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C baseplate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions INPUT CHARACTERISTICS Maximum Input Current 9.6 A Vin min; trim up; in current limit No-Load Input Current 110 140 mA Disabled Input Current 1.5 3.0 mA Response to Input Transient 0.4 V See Figure 6 Input Terminal Ripple Current 290 mA RMS Recommended Input Fuse 20 A Fast acting external fuse recommended OUTPUT CHARACTERISTICS Output Voltage Set Point 23.76 24 24.24 V Output Voltage Regulation Over Line ±0.1 ±0.3 % Over Load ±0.1 ±0.3 % Over Temperature -360 360 mV Total Output Voltage Range 23.4 24.6 V Over sample, line, load, temperature & life Output Voltage Ripple and Noise 20 MHz bandwidth; see Note 1 Peak-to-Peak 60 90 mV Full load RMS 10 20 mV Full load A Operating Output Current Range 0 5 Subject to thermal derating Output DC Current-Limit Inception 5.5 6.0 6.5 A Output voltage 10% Low Output DC Current-Limit Shutdown Voltage 11.5 V Back-Drive Current Limit while Enabled 0.12 A Differential negative current drawn from output Back-Drive Current Limit while Disabled 0 16 50 mA Differential negative current drawn from output Maximum Output Capacitance 400 µF Vout nominal at full load (resistive load) Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/µs) 1300 mV 50% to 75% to 50% Iout max Settling Time 50 µs To within 1% Vout nom Output Voltage Trim Range -20 10 % Across Pins 8&4; Common Figures 3-5; see Note 2 Output Voltage Remote Sense Range 10 % Across Pins 8&4 Output Over-Voltage Protection 117 122 127 % Over full temp range Load Current Scale Factor 57 See Output Load Current app. note on our web EFFICIENCY 100% Load 92 % See Figure 1 for efficiency curve 50% Load 93 % See Figure 1 for efficiency curve Note 1: Output is terminated with 1 µF ceramic and 15 µF low-ESR tantalum capacitors. For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: [email protected]) Note 2: Trim-up range is limited below 10% at low line and full load. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 10 Input:18-36V Output:24V Current:5A Part No.:CF24240QTC05 95 14 90 12 85 10 Power Dissipation (W) Efficiency (%) Technical Specification 80 75 70 8 6 4 18 Vin 18 Vin 24 Vin 65 24 Vin 2 36 Vin 36 Vin 60 0 0 1 2 3 Load Current (A) 4 5 6 6 5 5 4 4 3 2 400 300 200 100 1 LFM (2.0 LFM (1.5 LFM (1.0 LFM (0.5 1 2 3 Load Current (A) 4 5 Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. Iout (A) Iout (A) Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. 0 3 2 m/s) m/s) m/s) m/s) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 1 0 0 0 25 40 55 70 85 0 Ambient Air Temperature (°C) 25 40 55 70 85 Ambient Air Temperature (°C) Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 4: Encased converter (with 1/2” heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage). Figure 5: Output voltage response to step-change in load current (50%-75%50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 1µF ceramic cap. Ch 1: Vout, Ch 2: Iout. Figure 6: Output voltage response to step-change in input voltage (nominal to maximum), at full load current. Load cap: 1uF ceramic cap. Ch 1: Vout, Ch 2: Vin. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 11 Technical Specification CF24xxxQTXxx BASIC OPERATION AND FEATURES CONTROL FEATURES This converter series uses a two-stage power topology. The first stage is a buck-converter that output voltage constant over variations in line, temperature. The second stage uses a transformer the functions of input/output isolation and voltage step-down to achieve the output voltage required. REMOTE ON/OFF (Pin 2): The ON/OFF input, Pin 2, permits the user to control when the converter is on or off. This input is referenced to the return terminal of the input bus, Vin(-). The ON/OFF signal is active low (meaning that a low turns the converter on). Figure A details four possible circuits for driving the ON/OFF pin. Figure B is a detailed look of the internal ON/ OFF circuitry. conversion keeps the load, and to provide step-up or Both the first stage and the second stage switch at a fixed frequency for predictable EMI performance. Rectification of the transformer’s output is accomplished with synchronous rectifiers. These devices, which are MOSFETs with a very low on-state resistance, dissipate far less energy than Schottky diodes. This is the primary reason that the converter has such high efficiency, even at very low output voltages and very high output currents. These converters are offered totally encased to withstand harsh environments and thermally demanding applications. Dissipation throughout the converter is so low that it does not require a heatsink for operation in many applications; however, adding a heatsink provides improved thermal derating performance in extreme situations. This series of converters use the industry standard footprint and pin-out configuration. ON/OFF ON/OFF Vin(_) Vin(_) Remote Enable Circuit REMOTE SENSE(+) (Pins 7 and 5): The SENSE(+) inputs correct for voltage drops along the conductors that connect the converter’s output pins to the load. Pin 7 should be connected to Vout(+) and Pin 5 should be connected to Vout(-) at the point on the board where regulation is desired. A remote connection at the load can adjust for a voltage drop only as large as that specified in this datasheet, that is [Vout(+) - Vout(-)] – [Vsense(+) - Vsense(-)] < Sense Range % x Vout Pins 7 and 5 must be connected for proper regulation of the output voltage. If these connections are not made, the converter will deliver an output voltage that is slightly higher than its specified value. Note: the output over-voltage protection circuit senses the voltage across the output (pins 8 and 4) to determine when it should trigger, not the voltage across the converter’s sense leads (pins 7 and 5). Therefore, the resistive drop on the board should be small enough so that output OVP does not trigger, even during load transients. Negative Logic (Permanently Enabled) 5V 5V ON/OFF TTL/ CMOS 50k ON/OFF ON/OFF 50k 50k TTL Vin(_) Vin(_ ) Open Collector Enable Circuit Direct Logic Drive Figure A: Various circuits for driving the ON/OFF pin. Product # CF24xxxQTXxx 100pF 100pF Phone 1-888-567-9596 Vin(_) Figure B: Internal ON/OFF pin circuitry www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 12 Technical Specification CF24xxxQTXxx OUTPUT VOLTAGE TRIM (Pin 6): The TRIM input permits the user to adjust the output voltage across the sense leads up or down according to the trim range specifications. To decrease the output voltage, the user should connect a resistor between Pin 6 and Pin 5 (SENSE(-) input). For a desired decrease of the nominal output voltage, the value of the resistor should be Rtrim-down = - 10.22 (511 D% ) (kW) where D% = Vnominal – Vdesired Vnominal x 100% To increase the output voltage, the user should connect a resistor between Pin 6 and Pin 7 (SENSE(+) input). For a desired increase of the nominal output voltage, the value of the resistor should be Rtrim-up = where ( 5.11VOUT x (100+D%) 1.225D% _ 511 _ 10.22 D% ) (kW) Vout = Nominal Output Voltage Trim graphs show the relationship between the trim resistor value and Rtrim-up and Rtrim-down, showing the total range the output voltage can be trimmed up or down. Note: the TRIM feature does not affect the voltage at which the output over-voltage protection circuit is triggered. Trimming the output voltage too high may cause the over-voltage protection circuit to engage, particularly during transients. It is not necessary for the user to add capacitance at the Trim pin. The node is internally bypassed to eliminate noise. Total DC Variation of VOUT: For the converter to meet its full specifications, the maximum variation of the dc value of VOUT, due to both trimming and remote load voltage drops, should not be greater than that specified for the output voltage trim range. Product # CF24xxxQTXxx Phone 1-888-567-9596 PROTECTION FEATURES Input Under-Voltage Lockout: The converter is designed to turn off when the input voltage is too low, helping avoid an input system instability problem, described in more detail in the application note titled “Input System Instability” on our website. The lockout circuitry is a comparator with dc hysteresis. When the input voltage is rising, it must exceed the typical TurnOn Voltage Threshold value (listed on the specifications page) before the converter will turn on. Once the converter is on, the input voltage must fall below the typical Turn-Off Voltage Threshold value before the converter will turn off. Output Current Limit: The maximum current limit remains constant as the output voltage drops. However, once the impedance of the load across the output is small enough to make the output voltage drop below the specified Output DC CurrentLimit Shutdown Voltage, the converter turns off. The converter then enters a “hiccup mode” where it repeatedly turns on and off at a 5 Hz (nominal) frequency with a 5% duty cycle until the short circuit condition is removed. This prevents excessive heating of the converter or the load board. Output Over-Voltage Limit: If the voltage across the output pins exceeds the Output Over-Voltage Protection threshold, the converter will immediately stop switching. This prevents damage to the load circuit due to 1) excessive series resistance in output current path from converter output pins to sense point, 2) a release of a short-circuit condition, or 3) a release of a current limit condition. Load capacitance determines exactly how high the output voltage will rise in response to these conditions. After 200 ms the converter will automatically restart. Over-Temperature Shutdown: A temperature sensor on the converter senses the average temperature of the module. The thermal shutdown circuit is designed to turn the converter off when the temperature at the sensed location reaches the Over-Temperature Shutdown value. It will allow the converter to turn on again when the temperature of the sensed location falls by the amount of the Over-Temperature Shutdown Restart Hysteresis value. www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 13 Technical Specification CF24xxxQTXxx APPLICATION CONSIDERATIONS Input System Instability: This condition can occur because any dc-dc converter appears incrementally as a negative resistance load. A detailed application note titled “Input System Instability” is available on the SynQor website which provides an understanding of why this instability arises, and shows the preferred solution for correcting it. Application Circuits: Figure C provides a typical circuit diagram which details the input filtering and voltage trimming. Vin(+) Vin External Input Filter Electrolytic Capacitor Vout(+) Vsense(+) ON/OFF Trim Vsense(_) Vin(_) Rtrim-up or Cload Rtrim-down Iload Vout(_) Figure C: Typical application circuit (negative logic unit, permanently enabled). Input Filtering and External Capacitance: Figure D provides a diagram showing the internal input filter components. This filter dramatically reduces input terminal ripple current, which otherwise could exceed the rating of an external electrolytic input capacitor. The recommended external input capacitance is specified in the Input Characteristics section on the Electrical Characteristics page. More detailed information is available in the application note titled “EMI Characteristics” on the SynQor website. L Vin(+) C Vin(_) Figure D: Internal Input Filter Diagram (component values listed on the specifications page). Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 14 Technical Specification CF24xxxQTXxx Startup Inhibit Period: The Startup Inhibit Period ensures that the converter will remain off for approximately 200 ms when it is shut down for any reason. When an output short is present, this generates a 5 Hz “hiccup mode,” which prevents the converter from overheating. In all, there are seven ways that the converter can be shut down, initiating a Startup Inhibit Period: • Input Under-Voltage Lockout When the ON/OFF pin goes high after t2, the Startup Inhibit Period has elapsed, and the output turns on within the typical Turn-On Time. Thermal Considerations: The maximum operating base-plate temperature, TB, is 100 ºC. As long as the user’s thermal system keeps TB < 100 ºC, the converter can deliver its full rated power. A power derating curve can be calculated for any heatsink that is attached to the base-plate of the converter. It is only necessary to determine the thermal resistance, RTHBA, of the chosen heatsink between the base-plate and the ambient air for a given airflow rate. This information is usually available from the heatsink vendor. The following formula can the be used to determine the maximum power the converter can dissipate for a given thermal condition if its base-plate is to be no higher than 100 ºC. • Input Over-Voltage Lockout • Output Over-Voltage Protection • Over Temperature Shutdown • Current Limit • Short Circuit Protection • Turned off by the ON/OFF input Figure E shows three turn-on scenarios, where a Startup Inhibit Period is initiated at t0, t1, and t2: Before time t0, when the input voltage is below the UVL threshold, the unit is disabled by the Input Under-Voltage Lockout feature. When the input voltage rises above the UVL threshold, the Input Under-Voltage Lockout is released, and a Startup Inhibit Period is initiated. At the end of this delay, the ON/OFF pin is evaluated, and since it is active, the unit turns on. At time t1, the unit is disabled by the ON/OFF pin, and it cannot be enabled again until the Startup Inhibit Period has elapsed. max Pdiss = 100 ºC - TA RTHBA This value of power dissipation can then be used in conjunction with the data shown in Figure 2 to determine the maximum load current (and power) that the converter can deliver in the given thermal condition. For convenience, power derating curves for an encased converter without a heatsink and with a typical heatsink are provided for each output voltage. Vin Under-Voltage Lockout TurnOn Threshold ON/OFF (neg logic) ON OFF ON Vout OFF ON 9ms (typical turn on time) 200ms (typical start-up inhibit period) t1 t0 200ms 200ms t2 t Figure E: Startup Inhibit Period (turn-on time not to scale) Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 15 Technical Specification CF24xxxQTXxx Standards & Qualifications Parameter Notes & Conditions STANDARDS COMPLIANCE UL 60601-1:2003 Reinforced Insulation CAN.CSA 22.2 No. 601.1-M90 EN 60601-1/A2:1995 IEC 60601-1/A2:1995 IEC 61000-4-2 ESD test, 8 kV - NP, 15 kV air - NP (Normal Performance) Note: An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety certificates on new releases or download from the SynQor website. Parameter QUALIFICATION TESTING Life Test Vibration Mechanical Shock Temperature Cycling Power/Thermal Cycling Design Marginality Humidity Solderability # Units 32 5 5 10 5 5 5 15 pins Test Conditions 95% rated Vin and load, units at derating point, 1000 hours 10-55 Hz sweep, 0.060" total excursion, 1 min./sweep, 120 sweeps for 3 axis 100g minimum, 2 drops in x and y axis, 1 drop in z axis -40 °C to 100 °C, unit temp. ramp 15 °C/min., 500 cycles Toperating = min to max, Vin = min to max, full load, 100 cycles Tmin-10 °C to Tmax+10 °C, 5 °C steps, Vin = min to max, 0-105% load 85 °C, 85% RH, 1000 hours, continuous Vin applied except 5 min/day MIL-STD-883, method 2003 Patient Contact: All CFQor models are designed for use in CF patient contact and defibrillation proof application per IEC60601-1. As such, CFQor models provide reinforced insulation between output, input, and baseplate with minimum 4mm clearance and 4.6mm creepage. Note that equipment and wiring may add to system leakage currents and insulation ratings so that the end product must be tested for compliance. Refer to the Family Electrical Characteristics section for typical CFQor leakage currents. Product # CF24xxxQTXxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 16 Technical Specification CF24xxxQTXxx Encased Mechanical Diagram 1.536 ±0.020 (39.01 ±0.5) 1. 030 (26.16) 0.600 (15.24) 0.450 (11.43) 0.300 (7.62) 0.150 (3.81) 0.253±0.020 (6.4±0.5) 0.500±0.025 (12.7±0.63) Overall Height 8 7 6 5 4 0.263±0.020 (6.68±0.5) 2.386 ± 0.020 (60.6± 0.5) 2.00 (50.8) 0.18±0.010 (4.57±0.25) Top View Side View 1.86 (47.2) 1 2 3 M3 Threaded Inserts 4 Places See Notes 0.468±0.020 (11.89±0.5) 0.300 (7.62) 0.183±.020 (4.65)±0.5 0.600 (15.24) NOTES 1)M3 screws used to bolt unit’s baseplate to other surfaces (such as a heatsink) must not exceed 0.100" (2.54 mm) depth below the surface of the baseplate. PIN DESIGNATIONS Pin Name 1 Vin(+) 2 ON/OFF 3 Vin(–) 2)Applied torque per screw should not exceed 6in-lb. (0.7 Nm). 3)Baseplate flatness tolerance is 0.004" (.10mm) TIR for surface. 4)Pins 1-3, 5-7 are 0.040” (1.02mm) diameter, with 0.080” (2.03mm) diameter standoff shoulders. 5)Pins 4 and 8 are 0.062” (1.57 mm) diameter with 0.100" (2.54 mm) diameter standoff shoulders. 6)All Pins: Material - Copper Alloy- Finish (RoHS 6/6) - Matte Tin over Nickel plate 7)Weight: 3.02 oz. (85.7 g) typical 8)All dimensions in inches (mm) Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm) 9)Workmanship: Meets or exceeds IPC-A-610C Class II 10)Recommended pin length is 0.03” (0.76mm) greater than the PCB thickness. Product # CF24xxxQTXxx Phone 1-888-567-9596 4 Vout(–) Function Positive input voltage TTL input to turn converter on and off, referenced to Vin(–), with internal pull up. Negative input voltage Negative output voltage 6 SENSE(–) Negative remote sense1 TRIM Output voltage trim2 7 SENSE(+) Positive remote sense3 5 8 Vout(+) Positive output voltage Notes: 1) SENSE(–) should be connected to Vout(–) either remotely or at the converter. 2) Leave TRIM pin open for nominal output voltage. 3) SENSE(+) should be connected to Vout(+) either remotely or at the converter. www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 17 Technical Specification CF24xxxQTXxx Flanged Mechanical Drawing .01 [0.2] OVERALL HEIGHT .500 ±.025 [12.7 ±0.63] 2.200 ±.020 [ 55.88 ±0.5 ] 1.536 ±.020 [ 39.01 ±0.5 ] .18 [ 4.6 ] SEE NOTE 5 R .065 4 [ 1,65 ] TOP VIEW 2.00 [ 50.8 ] 2.07 [ 52.5 ] 1.66 [ 42.2 ] 2.386 [ 60.6 5 6 7 .60 [ 15.2 ] .45 [ 11.4 ] .30 [ 7.6 ] .15 [ 3.8 ] 8 BOTTOM VIEW ±.020 ±0.5 ] 1.01 [ 25.7 ] .36 [ 9.1 ] .183 ±.020 [ 4.65 ±0.5 ] .02 [ 0.6 ] 3 1 .70 [ 17.8 ] 1.30 [ 33 ] .13 [ 3.2 ] .800 ±.020 [ 20.32 ±0.5 ] 1 BOTTOMSIDE CLEARANCE ±.020 .010 [0.51 0.25] NOTES .30 [ 7.6 ] .60 [ 15.2 ] PIN DESIGNATIONS 1) Applied torque per screw should not exceed 5in-lb. (3in-lb recommended). 2) Baseplate flatness tolerance is 0.01” (.2mm) TIR for surface. 3) Pins 1-3, 5-7 are 0.040” (1.02mm) diameter, with 0.080” (2.03mm) diameter standoff shoulders. 4) Pins 4 and 8 are 0.062” (1.57 mm) diameter with 0.100" (2.54 mm) diameter standoff shoulders. 5) All Pins: Material - Copper Alloy, Finish (RoHS 6/6) - Matte Tin over Nickel plate 6) Total Weight: 3.12 oz (88.5 g) 7) All dimensions in inches (mm) Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm) 8) Workmanship: Meets or exceeds IPC-A-610C Class II 9) Recommended pin length is 0.03” (0.76mm) greater than the PCB thickness. 10) A thermal interface material is required to assure proper heat transfer from the flanged baseplate to the cooling surface. Thermal grease may be used, or materials such as Thermalloy’s Grafoil or Bergquist HiFlow and Softflow. Other similar products are available from many heatsink manufacturers. Product # CF24xxxQTXxx 2 Phone 1-888-567-9596 www.synqor.com Pin Name 1 Vin(+) 2 ON/OFF 3 Vin(–) 4 Vout(–) Function Positive input voltage TTL input to turn converter on and off, referenced to Vin(–), with internal pull up. Negative input voltage Negative output voltage 6 SENSE(–) Negative remote sense1 TRIM Output voltage trim2 7 SENSE(+) Positive remote sense3 5 8 Vout(+) Positive output voltage Notes: 1) SENSE(–) should be connected to Vout(–) either remotely or at the converter. 2) Leave TRIM pin open for nominal output voltage. 3) SENSE(+) should be connected to Vout(+) either remotely or at the converter. Doc.# 005-0005449 Rev. C 06/11/10 Page 18 Technical Specification CF24xxxQTXxx PART NUMBERING SYSTEM ORDERING INFORMATION The part numbering system for SynQor’s dc-dc converters follows the format shown in the example below. The tables below show the valid model numbers and ordering options for converters in this product family. When ordering SynQor converters, please ensure that you use the complete 15 character part number consisting of the 12 character base part number and the additional 3 characters for options. Add “-G” to the model number for 6/6 RoHS compliance. CF 24 2 4 0 Q T C 06 N R S - G 6/6 RoHS Options (see Ordering Information) Output Current Thermal Design (see Ordering Info) Performance Level Package Size Output Voltage Model Number Continuous Input Voltage Output Voltage Maximum Output Current CF24050QTw24xyz CF24120QTw10xyz 18-36V 5V 24A 18-36V 12V 10A CF24150QTw08xyz 18-36V 15V 8A CF24240QTw05xyz 18-36V 24V 5A The following options must be included in place of the x y z spaces in the model numbers listed above. Input Voltage Product Family Options Description: w x y z Thermal Design The first 12 characters comprise the base part number and the last 3 characters indicate available options. The “-G” suffix indicates 6/6 RoHS compliance. C - Encased with Threaded Baseplate V - Encased with Flanged Baseplate Enable Logic Pin Style Feature Set N - Negative R - 0.180" S - Standard Application Notes A variety of application notes and technical white papers can be downloaded in pdf format from our website. RoHS Compliance: The EU led RoHS (Restriction of Hazardous Substances) Directive bans the use of Lead, Cadmium, Hexavalent Chromium, Mercury, Polybrominated Biphenyls (PBB), and Polybrominated Diphenyl Ether (PBDE) in Electrical and Electronic Equipment. This SynQor product is 6/6 RoHS compliant. For more information please refer to SynQor’s RoHS addendum available at our RoHS Compliance / Lead Free Initiative web page or e-mail us at [email protected]. Contact SynQor for further information: Phone: Toll Free: Fax: E-mail: Web: Address: Product # CF24xxxQTXxx 978-849-0600 888-567-9596 978-849-0602 [email protected] www.synqor.com 155 Swanson Road Boxborough, MA 01719 USA Phone 1-888-567-9596 Not all combinations make valid part numbers, please contact SynQor for availability. See the Product Summary web page for more options. PATENTS SynQor holds the following U.S. patents, one or more of which apply to each product listed in this document. Additional patent applications may be pending or filed in the future. 5,999,417 6,222,742 6,545,890 6,577,109 6,594,159 6,731,520 6,894,468 6,896,526 6,927,987 7,050,309 7,072,190 7,085,146 7,119,524 7,269,034 7,272,021 7,272,023 7,558,083 7,564,702 Warranty SynQor offers a two (2) year limited warranty. Complete warranty information is listed on our website or is available upon request from SynQor. Information furnished by SynQor is believed to be accurate and reliable. However, no responsibility is assumed by SynQor for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SynQor. www.synqor.com Doc.# 005-0005449 Rev. C 06/11/10 Page 19