5 Watt Single Output, 5 V Input Series DC/DC Converters Features Description n Low Profile Copper Case (0.375" High) n Six-side Shielded Case n Low Input/Output Noise Operation The CALEX 5 Watt DC/DC converters are ideal for use in high performance computer data acquisition systems and board level products. They are designed for systems that require a regulated and isolated 5, 12 or 15 Volt auxiliary power source. n Wide Input Voltage Range n Highly Regulated/Low Drift Output n 100% Burn-in, 100% Tested The converters have efficiencies typically greater than 60%. A linear post regulator provides highly stable DC outputs while minimizing noise. Every unit is 100% tested prior to shipment and is guaranteed under the CALEX 5 Year Warranty. 5 Watt Single Output, 5 Volt Input Selection Chart Model 5S5.1000 Input Range VDC MIN MAX Output VDC Output mA 5 1000 4.75 5.5 5S12.450 4.75 12.5 12 450 5S15.350 4.75 15 15 350 5 Watt Single Output, 5 Volt Input Series Block Diagram + INPUT 1 - INPUT 2 LOW VOLTAGE CURRENT LIMIT A LC INPUT FILTER 3 + OUTPUT C1 D1 LOW TC REFERENCE SIX-SIDED SHIELDED COPPER CASE 2401 Stanwell Drive Concord, CA 94520-4841 (510) 687-4411 • Fax (510) 687-3333 http://www.calex.com 5 CMN Output C1 D1 5 12 15 47 µF 22 µF 22 µF 6.8 V N/A N/A 1 CALEX FaxFACTS: 101 1997 ISOLATION TRANSFORMER 5 Watt Single Output, 5 V Input Series DC/DC Converters Input Parameters* Model 5S5.1000 Voltage Range Reflected Ripple, 0-20MHz bw Input Current Full Load No Load Efficiency Switching Frequency Maximum Input Overvoltage, 100ms No Damage Turn-on Time, 1% Output Error MIN MAX TYP MAX TYP TYP TYP 5S12.450 4.75 5.25 50 75 1800 225 60 1750 220 59 5S15.350 Units VDC mA P-P 1700 230 62 mA % TYP 25 kHz MAX 6.2 VDC 1 ms TYP Recommended Fuse (2) Output Parameters* Model Output Voltage Rated Load (3) Voltage Range 100% Load Load Regulation 0-100% Load Line Regulation Vin = Min-Max VDC Short Term Stability (4) Long Term Stability Transient Response (5) Dynamic Response (6) Noise, 0-20MHz bw Temperature Coefficient Overvoltage Clamp (7) Short Circuit Protection to Common for all Outputs MIN MAX MIN TYP MAX TYP MAX TYP MAX TYP TYP TYP TYP TYP MAX TYP MAX TYP 5S5.1000 5S12.450 5S15.350 Units 5 0 1000 4.95 5.00 5.05 12 0 450 11.90 12.00 12.10 0.05 0.20 0.05 0.20 0.10 15 0 350 14.90 15.00 15.10 VDC 6.8 VDC % % % 0.30 70 75 10 40 50 200 - 50 170 mA 70 70 %/kHrs µs mV peak mV P-P ppm/°C - VDC Short Term, 1 Minute Maximum (2) NOTES: parameters measured at Tc=25°C, nominal input voltage * All and full rated load unless otherwise noted. Refer to the CALEX Application Notes for the definition of terms, measurement circuits and other information. (2) For long term short circuit protection of the converters, install a slow blow fuse in the input circuit. Choose a fuse size that is 125% of your applications actual input current and does not exceed 115% of the full load input current. (3) No minimum load required. (4) Short term stability is specified after a 30 minute warm-up at full load, and with constant line, load and ambient conditions. (5) After a 100% step change of the load, the output voltage will bewithin ±1% of the final value within the transient response time. 2401 Stanwell Drive Concord, CA 94520-4841 (510) 687-4411 • Fax (510) 687-3333 (6) (7) (8) (9) Dynamic response is the peak overshoot voltage during the transient response time defined in note 5 above. For module protection only, see also note 2. The functional temperature range is intended to give an additional data point for use in evaluating this power supply. At the low functional temperature the power supply will function with no side effects, however, sustained operation at the high functional temperature will reduce expected operational life. The data sheet specifications are not guaranteed over the functional temperature range. The case thermal impedance is specified as the case temperature rise over ambient per package watt dissipated. http://www.calex.com 2 CALEX FaxFACTS: 101 1997 A 5 Watt Single Output, 5 V Input Series DC/DC Converters General Specifications* All Models Isolation Isolation Voltage 10µA Leakage Input-Output Input to Output Capacitance Environmental Case Operating Range No Derating Case Functional Range (9) Storage Range Thermal Impedance (10) Units MIN 500 VDC TYP 75 pF MIN MAX MIN MAX MIN MAX TYP -25 80 -30 85 -55 100 10 °C/Watt TYP 1.7 oz °C °C °C BOTTOM VIEW SIDE VIEW General Unit Weight Mounting Kits Mechanical tolerances unless otherwise noted: X.XX dimensions: ±0.020 inches MS6 & MS15 X.XXX dimensions: ±0.005 inches Seal around terminals is not hermetic. Do not immerse units in any liquid. Typical Performance (Tc=25°C, Rated Load). Pin 1 2 3 5 5S5.1000 EFFICIENCY Vs. LINE INPUT VOLTAGE 65 Function +INPUT -INPUT +OUTPUT CMN EFFICIENCY (%) 100% FULL LOAD 60 55 50% FULL LOAD 50 45 4.75 4.85 4.95 5.05 5.15 5.25 LINE INPUT (VOLTS) 5S15.350 EFFICIENCY Vs. LINE INPUT 5S5.1000 EFFICIENCY Vs. LOAD 70 5S15.350 EFFICIENCY Vs. LOAD 65 70 LINE = 4.75VDC LINE = 4.75VDC LINE = 5.0VDC 60 50% FULL LOAD 55 60 55 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 100% FULL LOAD 65 LINE = 5.25VDC 45 A LINE = 5.0VDC 50 LINE = 5.25VDC 40 35 30 50 25 4.75 4.85 4.95 5.05 5.15 5.25 20 0 20 40 LINE INPUT (VOLTS) 60 80 100 0 20 40 LOAD (%) INPUT CURRENT Vs. LINE INPUT VOLTAGE OUTPUT VOLTAGE Vs. CASE TEMPERATURE 2.0 60 80 100 LOAD (%) OUTPUT IMPEDANCE Vs. FREQUENCY 0.20 1 0.4 0.0 0.75 0.10 0.00 -0.10 -0.20 1.25 1.75 2.25 2.75 3.25 3.75 4.25 4.75 5.25 15 VOLT .1 5 VOLT .01 .001 -30 -20 -10 0 10 20 30 40 50 60 70 CASE TEMPERATURE (Deg C) 80 10 100 1K 10K 100K 1M FREQUENCY (Hz) LINE INPUT (VOLTS) 2401 Stanwell Drive Concord, CA 94520-4841 (510) 687-4411 • Fax (510) 687-3333 http://www.calex.com 3 CALEX FaxFACTS: 101 1997 50% FULL LOAD 0.8 IMPEDANCE (OHMS) 1.2 NORMALIZED OUTPUT (%) INPUT CURRENT (AMPS) 100% FULL LOAD 1.6 5 Watt WF Single Output Series DC/DC Converters Features Description n Ultra Wide Input Voltage Range n Low Noise, Trimable, Highly Stable Output n Efficiency > 74% For All Line Conditions This single output converter is designed for wide input range, low noise industrial and instrument applications. The ultra wide isput range is ideal for battery or unregulated input applications. n No Derating to 80°C Case Temperature n Six-sided Shielded, Low Thermal Gradient Copper Case n Overvoltage Protected Output n Pulse By Pulse Digital Current Limit The converter features a 55kHz switching frequency that provides outstanding regulation and efficiency at full load. The output is regulated with high loop gain pulse width modulation control which provides linear regulator type performance. The output is resistor or trimpot trimable by ±10%, which allows th WF to be set for +5.2 VDC in ECL applications. The WF is protected from output shorts to ground by a high speed digital, current limit circuit. The output is oervoltage protected. 5 Watt Single WF Input Parameters* Selection Chart Model 12S5.1000WF Input Range VDC MIN MAX 7.0 32.0 Model Output VDC Output mA 5.0 1000 Voltage Range Reflected Ripple, 0-20MHz bw (2) Input Current Full Load No Load Efficiency Switching Frequency Maximum Input Overvoltage, 100ms No Damage Turn-on Time, to 1% Output Error Recommended Fuse 12S5.1000WF 7.0 12.0 32.0 Units MIN TYP MAX MAX 1000 mA P-P TYP TYP TYP TYP 550 10 75 55 % kHz MAX 40 VDC TYP 75 ms VDC mA (3) 5 Watt Single WF Series Block Diagram A 68 µF 4.7 µF - INPUT 1 PWM CONTROL 3 + OUTPUT 68 µF 5 CMN 4 TRIM FEEDBACK AMPLIFIER LOW TC BANDGAP CTP REFERENCE SIX-SIDED SHIELDED COPPER CASE 2401 Stanwell Drive Concord, CA 94520-4841 (510) 687-4411 • Fax (510) 687-3333 http://www.calex.com 4 CALEX FaxFACTS: 101 1997 + INPUT 2 OVERCURRENT SENSE 5 Watt WF Single Output Series DC/DC Converters General Specifications* Output Parameters* 12S5.1000WF Units Load Regulation 0-100% Full Load Line Regulation Vin = Min-Max VDC Short Term Stability (5) Long Term Stability Transient Response (6) 5 0 1000 4.950 5.000 5.050 0.05 0.20 0.05 0.20 0.05 0.20 500 VDC MIN MAX MIN TYP MAX TYP MAX TYP MAX TYP TYP TYP Dynamic Response (7) TYP 200 Output Voltage Rated Crrent (4) Voltage Range 100% Load Input Ripple Rejection (8) Noise, 0-20MHz bw Temperature Coefficient Overvoltage Clamp (9) Short Circuit Protection to Common TYP TYP MAX TYP MAX TYP 23 mA VDC Units Output Trim Function Input Resistance Trim Range TYP MIN 100 ±10 % % %/kHrs µs mV peak dB NOTES: parameters measured at Tc=25°C, nominal input voltage * All and full rated load unless otherwise noted. Refer to the CALEX Application Notes for the definition of terms, measurement circuits and other information. (2) Peak to Peak input reflected ripple is equal to the DC output current when measured into a zero impedance source resistance. For reduced input ripple use the suggested input filter circuit. (3) For long term short circuit protection of the converters, install a slow blow fuse in the input circuit. Choose a fuse size that is 125% of your applications actual input current and does not exceed 115% of the full load input current. (4) No minimum load required. (5) Short term stability is specified after a 30 minute warmup at full load, constant line and recording the drift over a 24 hour period. (6) After a 25% step change of the load, the output voltage will be within ±1% of the final value within the transient response time. (7) Dynamic response is the peak overshoot during a transient as defined in note 4 above. (8) The input ripple rejection is specified for DC to 120 Hz ripple with a modulation amplitude of 1% of Vin. (9) For module protection only, see also note 3. (10) Case is tied to pin 1. Input and output commons are connected internally. (11) The functional temperature range is intended to give additionaldata for evaluating this power supply. At the low functional temperature the power supply will function with no side effects, however, sustained operation at the high functional temperature will reduce expected operational life. The data sheet specifications are not guaranteed over the functional temperature range. (12) The case thermal impedance is the case temperature rise over ambient per watt dissipated. kohms % Isolation Isolation (10) % 20 mV P-P 40 50 ppm/°C 150 6.8 VDC Continuous, 8 Hours Minimum Current Limit 2401 Stanwell Drive Concord, CA 94520-4841 (510) 687-4411 • Fax (510) 687-3333 All Models None Environmental Case Operating Range No Derating MIN MAX MIN Case Functional Range (11) MAX MIN Storage Range MAX Thermal Impedance (12) TYP -25 80 -40 90 -55 105 10 °C/Watt 1.5 oz °C °C °C General Unit Weight TYP Mounting Kits MS6 & MS15 3 3 TRIM DOWN 10K TRIMPOT 4 4 TRIM UP 5 5 Figure 1. CONNECTIONS FOR OUTPUT TRIM A 12S5.1000WF L1 + 7 - 32 VDC 2 +IN C1 C2 +OUT 3 TRIM 4 1 -IN LOAD CMN 5 Figure 2. INPUT FILTER CIRCUIT This circuit will reduce the input reflected ripple of the WF Series to 30 mA P-P(0-20 MHz bw). L1 is 10 turns wound on a MICROMETALS T30-26 core or any 6-10 µH, 1 amp inductor. C1 and C2 are Panasonic 47µF, 35V, HF capacitors (ECE-A1VF470R) or equivalent. NOTE: For lowest noise operation use single point grounding to pin 5 for both input and output circuits. http://www.calex.com 5 CALEX FaxFACTS: 101 1997 Model 5 Watt WF Single Output Series DC/DC Converters Typical Performance (Tc=25°C, Rated Load). EFFICIENCY Vs. LINE INPUT 80.0 EFFICIENCY (%) 100% RATED LOAD 75.0 50% RATED LOAD 70.0 65.0 5 10 15 20 25 30 35 LINE INPUT (VOLTS) BOTTOM VIEW Mechanical tolerances unless otherwise noted: EFFICIENCY Vs. LOAD X.XX dimensions: ±0.020 inches 80.0 LINE = 7VDC EFFICIENCY (%) 75.0 X.XXX dimensions: ±0.005 inches LINE = 12VDC Seal around terminals is not hermetic. Do not immerse units in any liquid. 70.0 65.0 LINE = 32VDC 60.0 Pin 1 2 3 4 5 55.0 50.0 0 20 40 60 80 100 LOAD (%) WF SERIES INPUT RIPPLE Vs. LINE INPUT Function +INPUT -INPUT +OUTPUT TRIM OUT CMN OUTPUT VOLTAGE Vs. OUTPUT CURRENT INPUT CURRENT Vs. LINE INPUT VOLTAGE 120 0.5 100% FULL LOAD 0.4 0.3 50% FULL LOAD 0.2 0.1 1.00 100% RATED LOAD 100 INPUT CURRENT (AMPS) NORMALIZED OUTPUT (%) 0.6 REFLECTED RMS RIPPLE (AMPS) SIDE VIEW CURRENT LIMIT MODE -> 80 60 40 20 0.80 0.60 0.40 0.20 50% RATED LOAD 0.0 0 5 10 15 20 25 30 35 0.00 0 20 40 60 80 100 120 140 160 5 10 NORMALIZED LOAD (%) LINE INPUT (VOLTS) 15 20 25 30 35 LINE INPUT (VOLTS) A LINE TO OUTPUT TRANSFER FUNCTION OUTPUT VOLTAGE Vs. CASE TEMPERATURE OUTPUT IMPEDANCE Vs. FREQUENCY -10 -0.10 -0.20 -20 -30 -0.30 -40 -0.40 -30 -20 -10 0 10 20 30 40 50 60 70 80 CASE TEMPERATURE (Deg C) 2401 Stanwell Drive Concord, CA 94520-4841 (510) 687-4411 • Fax (510) 687-3333 1 .1 .01 1 100 1K FREQUENCY (Hz) http://www.calex.com 10K 10 100 1K 10K 100K 1M FREQUENCY (Hz) 6 CALEX FaxFACTS: 101 1997 0.00 OUTPUT IMPEDANCE (OHMS) 10 ATTENUATION (dB) NORMALIZED OUTPUT (%) 0.10