10 Watt TC Single Series DC/DC Converters Features Description ! Extra Wide 3:1 Input Voltage Range, 20-60 VDC ! Low Noise, Highly Regulated Single Outputs ! Efficiency 75% for All Line Conditions These single output converters are designed for wide input range, low noise, telecommunications, industrial control, medical and instrument applications. The extra wide input range (3:1) is ideal for battery or unregulated input applications. ! No Derating to 80°C Case Temperature ! Six-Sided Shielded Low Thermal Gradient Copper Case ! 500 VDC Minimum Input to Output Isolation ! Overvoltage Protected Input and Outputs ! Pulse by Pulse Digital Current Limiting ! Overtemperature Protection Circuit ! 5 Year Warranty These converters are state-of-the-art 120kHz MOSFET based designs that provide outstanding line and load regulation. The single outputs are regulated with a high loop gain current mode control method that provides linear regulator type performance. Also included is an open collector TTL/CMOS compatible logic shutdown pin to control converter operation. The TC Single Series is protected from output shorts to common by a high speed, pulse by pulse digital, current limit circuit and a thermal overload sensing circuit. Selection Chart Input Range VDC MIN MAX Model Outputs VDC Outputs mA 48S5.2000TC 20.0 60.0 5 2000 48S12.850TC 20.0 60.0 12 850 48S15.700TC 20.0 60.0 15 700 10 Watt TC Single Series Block Diagram SHIELDED ISOLATION TRANSFORMER A THERMAL SHUTDOWN C + INPUT 3 C D 5 CMN CURRENT MODE PWM - INPUT 2 4 + OUTPUT 7 TRIM ISOLATED FEEDBACK Output C D 5 136 µF 6.8V 12 20 µF 15V 15 20 µF 18V SIX-SIDED SHIELDED COPPER CASE LOW TC BANDGAP REFERENCE Manufacturing Company, Inc. • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: [email protected] 1 D-106 ON/OFF 1 10 Watt TC Single Series DC/DC Converters Input Parameters* Model 48S5.2000TC Voltage Range Reflected Ripple (2) (3), 0-20Mhz bw Input Current Full Load No Load Efficiency Switching Frequency Maximum Input Overvoltage, 100ms No Damage Turn-on Time MIN TYP MAX TYP TYP TYP TYP 48S12.850TC 20.0 48.0 60.0 700 265 10 80 265 10 78 48S15.700TC Units VDC mA RMS 273 10 80 mA % TYP 120 kHz MAX 75 VDC 10 ms TYP Recommended Fuse (4) Output Parameters* Model Output Voltage Rated Current (5) Voltage Range 100% Load Load Regulation 0-100% Full Load Line Regulation Vin = Min-Max VDC Short Term Stability (6) Long Term Stability Transient Response (7) Dynamic Response (8) Input Ripple Rejection (9) Noise, 0-20MHz bw Temperature Coefficient MIN MAX MIN TYP MAX TYP MAX TYP MAX TYP TYP TYP TYP TYP TYP MAX TYP MAX TYP 48S5.2000TC 48S12.850TC 48S15.700TC Units 5 0 2000 4.950 5.000 5.050 0.1 0.3 0.01 0.15 12 0 850 11.900 12.000 12.100 0.05 0.1 0.01 0.1 0.02 15 0 700 14.900 15.000 15.100 0.04 0.1 0.01 0.1 VDC 35 75 VDC % % % 0.2 100 100 60 20 50 50 150 15 50 55 mA 150 110 %/kHrs µs mV peak dB 20 50 mV P-P ppm/°C Overvoltage Clamp (10) 6.8 18 VDC Short Circuit Protection to Provides of Continuous, 8 hours Minimum Current Limit and Thermal Overload Common for all Outputs NOTES (6) Short term stability is specified after a 30 minute warm-up at full parameters measured at Tc = 25° C, nominal input voltage * All load, and with constant line, load and ambient conditions. and full rated load unless otherwise noted. Refer to the CALEX Application Notes for the definition of terms, measurement (7) The transient response is specified as the time required to settle circuits and other information. from 50 to 75% step load change (rise time of step = 2µ Sec.) to a 50 mV error band. (2) Noise is measured per CALEX Application Notes. (8) Dynamic response is the peak overshoot voltage during the (3) An external capacitor capable of withstanding at least 700 mA RMS transient response time defined in note 7 above. of 120 kHz ripple current must be connected directly across the + and - inputs. Suggested capacitors are: (9) The input ripple rejection is specified for DC to 120Hz ripple with a modulation amplitude of 1% Vin. Sprague Electric: 672D686H100DM3C, 68µF, 100V (10) For module protection only, see also note 4. 672D127H100ET3C, 120µF, 100V (11) The logic shutdown pin is Open Collector TTL, CMOS, and relay Panasonic: ECEA2AFE101, 100µF, 100V compatible. The input to this pin is referenced to Pin 2, -Input ECEA2AFE121, 120µF, 100V and is protected to +100 VDC. United Chemi-Con: SXE100VB120M12.5X25LL, 120µF, 100V (12) Case is tied to Pin 3, +Input. SXE100VB180M12.5X30LL, 180µF, 100V (13) The functional temperature range is intended to give an additional SXE100VB220M12.5X35LL, 220µF, 100V data point for use in evaluating this power supply. At the low Note:All of the above capacitors are 105°C Rated. Multiple smaller sized functional temperature the power supply will function with no capacitors may be used in parallel as long as their total ripple side effects, however, sustained operation at the high functional capability is above 700 mA RMS (see IRR curve). temperature will reduce expected operational life. The data sheet specifications are not guaranteed over the functional (4) Determine the correct fuse size by calculating the maximum DC temperature range. current drain at low line input, maximum load and then adding 20 to 25%. A slow blow type fuse is recommended. (14) The case thermal impedance is specified as the case temperature rise over ambient per package watt dissipated. (5) No minimum load required. Manufacturing Company, Inc. • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: [email protected] 2 D-106 A 10 Watt TC Single Series DC/DC Converters General Specifications * All Models Logic Shutdown (11) ON Logic Level or Leave Pin Open OFF Logic Level Input Resistance Converter Idle Current Shut Down Pin Low Isolation Isolation Voltage (12) 10 mA Leakage Input-Output Input to Output Capacitance Output Trim Function Input Resistance Programming Range Units MIN 8.0 VDC MAX TYP 2.0 100 VDC kohms TYP 1 mA MIN 500 VDC BOTTOM VIEW TYP 70 SIDE VIEW pF Mechanical tolerances unless otherwise noted: TYP MIN Environmental Case Operating Range No Derating 20 ±10 X.XXX dimensions: ±0.005 inches Seal around terminals is not hermatic. Do not immerse unts in any liquid. MIN MAX MIN Case Functional Range (13) MAX MIN Storage Range MAX Thermal Impedance (14) TYP Thermal Shutdown TYP Case Temperature General -25 80 -40 90 -55 105 11 °C/Watt 90 °C Unit Weight 1.9 oz TYP X.XX dimensions: ±0.020 inches kohms % °C °C Pin 1 2 3 4 5 6 °C Function ON/OFF -INPUT +INPUT +OUTPUT CMN TRIM Connections for Output Trim Low Noise Input Circuit Use one resistor for either trim up or trim down. The values can range from infinity to zer ohms with zero ohms giving the most trim. The circuit shown below will reduce reflected ripple to 50 mA P-P. Keep all components as close to the converter as possible The inductor is 35 turns on a Micro-Metals T50-26 Iron Powder Core. + OUT 4 10K LOAD TRIM 6 CMN 5 CMN 5 USING TRIMPOT A See note 3 for capacitor recommendations and note 4 for fuse sizing. TRIM DOWN LOAD THIS CAPACITOR IS REQUIRED FOR PROPER OPERATION TRIM UP FUSE USING FIXED RESISTORS TO INPUT SOURCE 40 µH, 700 mA 3 + INPUT See Note 3 2 - INPUT Manufacturing Company, Inc. • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: [email protected] 3 D-106 TRIM 6 + OUT 4 10 Watt TC Single Series DC/DC Converters Typical Performance (Tc=25°C; Vin=48VDC, Full Rated Load 48S5.2000TC EFFICIENCY Vs. LINE INPUT 48S12.850TC EFFICIENCY Vs. LINE INPUT 50% FULL LOAD 80 100% FULL LOAD 75 90 85 85 100% FULL LOAD 80 50% FULL LOAD 75 70 25 30 35 40 45 50 55 60 25 30 35 40 45 50 55 60 20 48S5.2000TC EFFICIENCY Vs. LOAD 30 48S12.850TC EFFICIENCY Vs. LOAD 60 80 70 LINE = 60VDC 60 50 60 80 100 55 60 80 LINE = 48VDC 70 LINE = 60VDC 60 50 40 50 LINE = 20VDC LINE = 48VDC EFFICIENCY (%) EFFICIENCY (%) LINE = 60VDC 45 48S15.700TC EFFICIENCY Vs. LOAD LINE = 20VDC 70 40 90 LINE = 20VDC LINE = 48VDC 35 LINE INPUT (VOLTS) 90 20 25 LINE INPUT (VOLTS) 90 0 50% FULL LOAD 70 20 LINE INPUT (VOLTS) 80 100% FULL LOAD 80 75 70 20 EFFICIENCY (%) 48S15.700TC EFFICIENCY Vs. LINE INPUT 90 EFFICIENCY (%) 85 EFFICIENCY (%) EFFICIENCY (%) 90 50 0 20 40 LOAD (%) 60 80 100 0 20 40 LOAD (%) TC SERIES INPUT RIPPLE Vs. LINE INPUT 60 80 100 LOAD (%) INPUT CURRENT Vs. LINE INPUT OUTPUT VOLTAGE Vs. OUTPUT LOAD 0.8 100% FULL LOAD 0.6 0.4 50% FULL LOAD 0.2 0.0 120 OUTPUT VOLTAGE (%) 0.8 INPUT CURRENT (AMPS) REFLECTED RMS RIPPLE (AMPS) 1.0 0.6 100% FULL LOAD 0.4 50% FULL LOAD 0.2 100 80 60 40 20 0.0 20 25 30 35 40 45 50 55 60 0 0 10 20 30 40 50 60 0 20 40 LINE INPUT (VOLTS) LINE INPUT (VOLTS) 60 80 100 120 140 160 OUTPUT LOAD (%) A OUTPUT VOLTAGE Vs. CASE TEMPERATURE TC SERIES POWER DERATING OUTPUT IMPEDANCE Vs. FREQUENCY 0.10 1.0 12.0 8.0 ↑ 6.0 ←SAFE OPERATING AREA→ ↓ 4.0 2.0 0.00 -0.10 -0.20 -25 -15 -5 5 15 25 35 45 55 AMBIENT TEMPERATURE (Deg C) 65 75 85 48S15.700TC 0.1 -0.30 0.01 -0.40 0.0 48S5.2000TC -30 -20 -10 0 10 20 30 40 50 CASE TEMPERATURE (Deg C) 60 70 80 10 100 1K 10K 100K 1MEG FREQUENCY (Hz) Manufacturing Company, Inc. • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: [email protected] 4 D-106 STILL AIR IMPEDANCE (OHMS) NORMALIZED OUTPUT (%) OUTPUT POWER (WATTS) INFINITE HEAT SINK 10.0