Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Features • • • • • • Applications • • • • • • • Distributed power architectures Telecommunications equipment LAN/WAN applications Data processing • Single board design Low profile SMT design Input/output isolation: 1500 Vdc High current density Output over-current protection Full rated output power up to 80°C with 200 LFM (1 m/s) airflow Operating temperature to 100°C Remote shutdown (primary referenced) Output voltage trim adjust, positive or negative rd UL, CSA and EN/IEC60950 (3 ed.) approved Description The RFS series of converters are low profile, single output, DC/DC converters intended for SMT placement and reflow soldering. The product provides on-board conversion of standard telecom and datacom input voltages to isolated low output voltages. Proprietary patented manufacturing processes with full process automation ensure optimal product quality. These are very high performance, cost effective converters with a very small PCB footprint. Selection Chart Model RFS06ZA-M6 RFS06ZB-M6 RFS06ZD-M6 RFS06ZE-M6 RFS04ZG-M6 18-Oct-01 Input voltage, Vdc 36-75 36-75 36-75 36-75 36-75 Input current, max, Adc 0.35 0.45 0.55 0.65 0.65 Output voltage, Vdc 1.5 1.8 2.5 3.3 5.0 Output rated current, Adc 6.0 6.0 6.0 6.0 4.0 Rev 1.0 www.power-one.com Output ripple and noise, mVp-p 70 70 75 75 50 Efficiency, % 77 79 83 85 87 Page 1 of 14 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Product Specifications Oct 2001 Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely affect long term reliability and cause permanent damage to the converter. Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. Parameter Input voltage (Vin) Transient Input Voltage (Vint) Operating CaseTemp. (Tc) Storage Temperature (Ts) ON/OFF Control Voltage (Vrc) Conditions/Description Continuous Transient, 100ms At 100% load Referenced to -Vin Min 36 -40 -55 -1.0 Max 75 100 100 120 5.5 Units Vdc Vdc °C °C Vdc Environmental and Mechanical Specifications Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. Parameter Conditions/Description Min Nom Max Units Shock IEC68-2-27 100 g Sinusoidal Vibration IEC68-2-6 10 g Weight 0.6/17 oz/g Water Washing Standard process Yes N/A MTBF Per Bellcore TR-NWT-000332 2,500 kHrs Isolation Specifications Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. Parameter Conditions/Description Min Nom Max Units Insulation Safety Rating Vin = 36 – 75Vdc Operational N/A Isolation Voltage (Vps) 1,500 Vdc Isolation Resistance (Rps) 10 MOhm Isolation Capacitance (Cps) 8,200 pF Input Specifications Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. Parameter Conditions/Description Min Nom Max Units Input Voltage (Vin) Continuous 36 48 75 Vdc Input Current when Shutdown Vin.Nom, Remote Control 3 10 mAdc activated Turn-On Input Voltage 36-75 Vin Ramping Up, Io.Max 32 34 36 Vdc Turn-Off Input Voltage 36-75 Vin Ramping Down, Io.Max 30 32 34 Vdc Turn-On Time To Output Regulation Band 60 ms After Remote Control 30 ms Rise Time 5 ms Input Reflected Ripple Current Vin.Max, Io.Max 50 mAp-p Input Capacitance 1.4 µF 18-Oct-01 Rev 1.0 www.power-one.com Page 2 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Output Specifications All specifications apply over input voltage, output load and temperature range, unless otherwise noted. RFS06ZA: 1.5V/6.0A Parameter Output Voltage Setpoint Accuracy Output Current Line Regulation Conditions/Description Vin.Nom, Io = 3.0A, 25°C Min 1.48 0 Comax Vin.Min to Vin.Max Vin.Min to Vin.Max, 50% Io.Max Vin.Nom, Io.Min to Io.Max 50-100% Io.Max load step change. to 1% error band Vin.Min to Vin.Max, Io.Min to Io Max, 20MHz Bandwidth Io.Max, Vin.Nom Icl Vout =0.90 Vo.Nom 120 Fs Tco Vin.Nom, Io.Max Vt Io.Min to Io.Max, Vin.Min to Vin.Max Vo Io Load Regulation Dynamic Regulation Peak Deviation Settling Time Output Voltage Ripple Vr Admissible Load Capacitance Output Current Limit Threshold Switching Frequency Temperature Coefficient Trim Range Nom 1.50 70 Max 1.52 Units Vdc 6.0 30 Adc mV 30 mV 150 1000 85 ± mV µs mVp-p 2,200 µF 200 %Io.Max 0.02 kHz %Vo/°C 1.65 Vo 220 1.35 RFS06ZA Characteristic curves Output Voltage Vs Load Efficiency Vs Load Vout (V) Efficiency 1.60 90% 1.40 80% 1.20 70% 1.00 60% 50% 0.80 Vin Min Vin Nom Vin Max 0.60 0.40 40% 20% 0.20 10% Iout (A) Rev 1.0 www.power-one.com 6.00 5.40 4.80 4.20 3.60 3.00 2.40 1.80 1.20 0.60 0.30 0% 0.00 12.00 10.80 9.60 8.40 7.20 6.00 4.80 3.60 2.40 1.20 0.00 0.00 18-Oct-01 Vin Min Vin Nom Vin Max 30% Iout (A) Page 3 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Output Specifications All specifications apply over input voltage, output load and temperature range, unless otherwise noted. RFS06ZB : 1.8V/6.0A Parameter Output Voltage Setpoint Accuracy Output Current Line Regulation Conditions/Description Vin.Nom, Io = 3.0A, 25°C Min 1.78 0 Comax Vin.Min to Vin.Max Vin.Min to Vin.Max, 50% Io.Max Vin.Nom, Io.Min to Io.Max 50-100% Io.Max load step change. to 1% error band Vin.Min to Vin.Max, Io.Min to Io Max, 20MHz Bandwidth Io.Max, Vin.Nom Icl Vout =0.90 Vo.Nom 120 Fs Tco Vin.Nom, Io.Max Vt Io.Min to Io.Max, Vin.Min to Vin.Max Vo Io Load Regulation Dynamic Regulation Peak Deviation Settling Time Output Voltage Ripple Vr Admissible Load Capacitance Output Current Limit Threshold Switching Frequency Temperature Coefficient Trim Range Nom 1.80 70 Max 1.82 Units Vdc 6.0 36 Adc mV 36 mV 150 1000 85 ± mV µs mVp-p 2,200 µF 200 %Io.Max 0.02 kHz %Vo/°C 1.98 Vo 220 1.62 RFS06ZB Characteristic curves Output Voltage Vs Load Efficiency Vs Load Vout (V) Efficiency 2.00 90% 1.80 1.60 80% 70% 1.40 60% 1.20 1.00 50% 40% Vin Min Vin Nom Vin Max 30% Rev 1.0 www.power-one.com 6.00 4.20 3.60 3.00 2.40 1.80 1.20 0.60 0.30 0% 0.00 12.00 10.80 9.60 8.40 7.20 6.00 4.80 3.60 2.40 1.20 0.00 10% Iout (A) 18-Oct-01 Vin Min Vin Nom Vin Max 20% 0.20 0.00 5.40 0.40 4.80 0.80 0.60 Iout (A) Page 4 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Output Specifications All specifications apply over input voltage, output load and temperature range, unless otherwise noted. RFS06ZD : 2.5V/6.0A Parameter Output Voltage Setpoint Accuracy Output Current Line Regulation Conditions/Description Vin.Nom, Io = 3.0A, 25°C Min 2.47 0 Comax Vin.Min to Vin.Max Vin.Min to Vin.Max, 50% Io.Max Vin.Nom, Io.Min to Io.Max 50-100% Io.Max load step change. to 1% error band Vin.Min to Vin.Max, Io.Min to Io Max, 20MHz Bandwidth Io.Max, Vin.Nom Icl Vout =0.90 Vo.Nom 120 Fs Tco Vin.Nom, Io.Max Vt Io.Min to Io.Max, Vin.Min to Vin.Max Vo Io Load Regulation Dynamic Regulation Peak Deviation Settling Time Output Voltage Ripple Vr Admissible Load Capacitance Output Current Limit Threshold Switching Frequency Temperature Coefficient Trim Range Nom 2.5 75 Max 2.53 Units Vdc 6.0 50 Adc mV 50 mV 150 1000 100 ± mV µs mVp-p 2,200 µF 200 %Io.Max 0.02 kHz %Vo/°C 2.75 Vo 220 2.25 RFS06ZD Characteristic curves Output Voltage Vs Load Vout (V) Efficiency Vs Load Efficiency 90% 3.00 80% 2.50 70% 2.00 60% 50% 1.50 40% Vin Min Vin Nom Vin Max Vin Min Vin Nom Vin Max 20% 10% Iout (A) 18-Oct-01 Rev 1.0 www.power-one.com 6.00 4.20 3.60 3.00 2.40 1.80 1.20 0.60 0.30 0% 0.00 11.70 9.90 10.80 9.00 8.10 7.20 6.30 5.40 4.50 3.60 2.70 1.80 0.90 0.00 0.00 5.40 0.50 30% 4.80 1.00 Iout (A) Page 5 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Output Specifications All specifications apply over input voltage, output load and temperature range, unless otherwise noted. RFS06ZE : 3.3V/6.0A Parameter Output Voltage Setpoint Accuracy Output Current Line Regulation Conditions/Description Vin.Nom, Io = 3.0A, 25°C Min 3.26 0 Comax Vin.Min to Vin.Max Vin.Min to Vin.Max, 50% Io.Max Vin.Nom, Io.Min to Io.Max 50-100% Io.Max load step change. to 1% error band Vin.Min to Vin.Max, Io.Min to Io Max, 20MHz Bandwidth Io.Max, Vin.Nom Icl Vout =0.90 Vo.Nom 120 Fs Tco Vin.Nom, Io.Max Vt Io.Min to Io.Max, Vin.Min to Vin.Max Vo Io Load Regulation Dynamic Regulation Peak Deviation Settling Time Output Voltage Ripple Vr Admissible Load Capacitance Output Current Limit Threshold Switching Frequency Temperature Coefficient Trim Range Nom 3.3 Max 3.34 Units Vdc 6.0 65 Adc mV 65 mV 150 500 100 ± mV µs mVp-p 2,200 µF 75 200 %Io.Max 0.02 kHz %Vo/°C 3.63 Vo 220 2.97 RFS06ZE Characteristic curves Output Voltage Vs Load Efficiency Vs Load Vout (V) Efficiency 100% 3.50 90% 3.00 80% 2.50 70% 60% 2.00 50% 1.50 40% Vin Min Vin Nom Vin Max 1.00 0.50 30% 10% Iout (A) Rev 1.0 www.power-one.com 5.40 4.20 3.00 1.80 0.60 0% 0.00 12.00 10.80 9.60 8.40 7.20 6.00 4.80 3.60 2.40 1.20 0.00 0.00 18-Oct-01 Vin Min Vin Nom Vin Max 20% Iout (A) Page 6 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Output Specifications All specifications apply over input voltage, output load and temperature range, unless otherwise noted. RFS04ZG : 5.0V/4.0A Parameter Output Voltage Setpoint Accuracy Output Current Line Regulation Conditions/Description Vin.Nom, Io = 2.0 A, 25°C Min 4.94 0 Comax Vin.Min to Vin.Max Vin.Min to Vin.Max, 50% Io.Max Vin.Nom, Io.Min to Io.Max 50-100% Io.Max load step change. to 1% error band Vin.Min to Vin.Max, Io.Min to Io Max, 20MHz Bandwidth Io.Max, Vin.Nom Icl Vout =0.90 Vo.Nom 120 Fs Tco Vin.Nom, Io.Max Vt Io.Min to Io.Max, Vin.Min to Vin.Max Vo Io Load Regulation Dynamic Regulation Peak Deviation Settling Time Output Voltage Ripple Vr Admissible Load Capacitance Output Current Limit Threshold Switching Frequency Temperature Coefficient Trim Range Nom 5.0 50 Max 5.06 Units Vdc 4.0 100 Adc mV 100 mV 250 500 75 ± mV µs mVp-p 2,200 µF 200 %Io.Max 0.02 kHz %Vo/°C 5.5 Vo 250 4.5 RFS04ZG Characteristic curves Output Voltage Vs Load Vout (V) Efficiency Vs Load Efficiency 100% 6.00 90% 5.00 80% 70% 4.00 60% 3.00 50% 40% Vin Min Vin Nom Vin Max 2.00 1.00 30% Vin Min Vin Nom Vin Max 20% 10% Iout (A) 18-Oct-01 Rev 1.0 www.power-one.com 4.00 3.60 3.20 2.80 2.40 2.00 1.60 1.20 0.80 0.40 0.20 0% 0.00 7.80 7.20 6.60 6.00 5.40 4.80 4.20 3.60 3.00 2.40 1.80 1.20 0.60 0.00 0.00 Iout (A) Page 7 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Feature Specifications All specifications apply over input voltage, output load and temperature range, unless otherwise noted. Parameter Shutdown Control: Converter OFF Converter ON Sink Current Conditions/Description Min Shutdown pin is pulled low Voltage source or open circuit Vin=Vin.Nom -1.0 3.5 Nom 1.0 Max Units 1.0 5.5 Vdc Vdc mAdc Temperature Derating Curves The derating curves below give an indication of the output power achievable with and without forced air cooling. However in the final application, in order to ensure the reliability of the unit, care must be taken to ensure the maximum case temperature is not exceeded under any conditions. Output Power Vs Ambient Temp. and Airflow 120 Output Power (%) 100 80 60 200LFM (1 m/s) 0 LFM 40 20 0 0 10 20 30 40 50 60 70 80 90 100 110 Ambient Temp. (deg °C) 18-Oct-01 Rev 1.0 www.power-one.com Page 8 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Typical Application Output Current Limiting This series of converters does not require any external components for proper operation. However, if the distribution of the input voltage to the converter contains significant inductance, a capacitor across the input terminals may be required to stabilize the input voltage. A minimum of 1µF, quality electrolytic / ceramic capacitor is recommended for this purpose. For output decoupling it is recommend connecting a 1µF ceramic capacitor directly across the output pins of the converter. When the output is overloaded above the maximum output current rating, the voltage will start to reduce to maintain the output power to a safe level. In a condition of high overload or short-circuit where the output voltage is pulled below approximately 30% of Vo.Nom, the unit will enter a ‘Hiccup’ mode of operation. Under this condition the unit will attempt to restart, approximately every 25ms until the overload has cleared. Shutdown Feature Paralleling of two converters is not possible. The remote control pin functions as a normal soft shutdown. It is referenced to the –Vin pin. With positive logic, when the remote control pin is pulled low, the output is turned off and the unit goes into a very low input power mode. Output Voltage Trim An open collector switch is recommended to control the voltage between the remote control pin and the -Vin pin of the converter. The remote control pin is pulled up internally, so no external voltage source is required. The user should avoid connecting a resistor between the remote control pin and the +Vin pin. Parallel Operation The trim feature allows the user to adjust the output voltage from the nominal. Output voltage can be adjusted by an external resistor. To increase Vo a resistor should be connected between pins 2 and 3. To decrease Vo a resistor should be connected between pins 1 and 3. To increase Vo: Rext = (A – (D x Vout)) / ( Vout – Vout.Nom) To reduce Vo: The user must take care to ensure that the pin reference for the control is connected close to the Vin pin. The control signal must not be referenced ahead of EMI filtering, or remotely from the unit. If the remote control pin is not used, it can be left floating. Thermal Considerations The converter is designed for natural or forced convection cooling. The output power of the converter is limited by the maximum case temperature (Tc). To ensure reliable long term operation of the converters, and to comply with safety agency requirements, Power-One limits maximum allowable case temperature (Tc) to 100°C (see Mechanical Drawings). 18-Oct-01 Rext = ((B x Vout) - C) / ( Vout.Nom - Vout) Where Vout is the desired output voltage Model RFS06ZA RFS06ZB RFS06ZD RFS06ZE RFS04ZG A 1945 2590 5010 7010 11260 B 1470 1730 2516 3161 4532 C 1944 2560 5010 7010 11240 D 470 750 1500 1500 1500 Note: When the output voltage is trimmed up, the output power from the converter must not exceed its maximum rating. This is determined by measuring the voltage on the output pins, and multiplying it by the output current. Rev 1.0 www.power-one.com Page 9 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Safety Considerations EMC Specifications These converters feature 1500 Volt DC isolation from input to output. The input to output resistance is greater than 10MOhm. These converters are provided with Operational Insulation between input and output circuits according to EN60950 / UL1950 / CSA60950-00. Nevertheless, if the system using the converter needs to receive safety agency approval, certain rules must be followed in the design of the system. In particular, all of the creepage and clearance requirements of the enduse safety requirements must be observed. These documents include UL60950, CSA60950-00 and EN60950, although specific applications may have additional requirements. Conducted Noise: The converters meet the requirements of level A and level B of EN55022, CISPR22 and FCC CFR title 47 Part 15 Sub-part J - Conducted (conducted noise on the input terminals) using the following circuit. In order for the output of the converter to be considered as SELV (Safety Extra Low Voltage) or TNV-1, according to EN60950 / UL1950 / CSA60950-00, one of the following requirements must be met in the system design: • The converter has no internal fuse. An external fuse must be provided to protect the system from catastrophic failure. A fuse with a rating not greater than 2.0A is recommended. The user can select a lower rating fuse based upon the inrush transient and the maximum input current of the converter, which occurs at the minimum input voltage. Both input traces and the chassis ground trace (if applicable) must be capable of conducting a current of 1.5 times the value of the fuse without opening. The fuse must not be placed in the grounded input line, if any. • If the voltage source feeding the module is SELV, the output of the converter is considered SELV and may be grounded or ungrounded. • The circuitry of the converter may generate transients, which exceed the input voltage. Even if the input voltage is SELV (<60V) the components on the primary side of the converter may have to be considered as hazardous. A safety interlock may be needed to prevent the user from accessing the converter while operational. 18-Oct-01 C1 = 18nF for RFS04ZG & RFS06ZE C1 = 26nF for RFS06ZD, RFS06ZB & RFS06ZA C2 = 2µF to meet EN55022A C2 = 7µF to meet EN55022B Electromagnetic Susceptibility: Standard Electrostatic Discharge EN61000-4-2 Electromagnetic Field EN61000-4-3 Electrical Fast Transient EN61000-4-4 Conducted Disturbances EN61000-4-6 Applied Stress Class Level Performance Outcome * 2KV to pins 1 B 3V/m 2 A 2000 Vp to input 3 B 3Vrms to input 2 B * A denotes normal operation, no deviation from specification. B denotes temporary deviation from specification is possible. Rev 1.0 www.power-one.com Page 10 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Surface Mount Assembly 300 The following instructions must be observed when soldering the unit. Failure to observe these instructions may result in failure or significant degradation of the module performance. PowerOne will not honor any warranty claims arising from failure to observe these instructions. 200 150 The product is shipped in JEDEC trays to guarantee preservation of the co-planarity and enable fully automated assembly in the final application. 440 190 – 450 s 400 360 320 280 240 200 160 80 0 40 0 120 50 Time (s) The lead-frame is constructed from a high temperature glass filled, UL94V0 flame retardant, diallyl ortho-phthalate moulding compound commonly used for packaging of electronics components. It has passed NASA outgassing tests and is certified to MIL-M-14. The coefficient of thermal expansion is equivalent to FR4. The product is manufactured with a patented process, which is fully automated, and ‘in-line’. This ensures that there is no contamination or mechanical stress on the lead-frame so that the co planarity and solderability are maintained. tp 100 The curves below define the maximum peak reflow temperature permissible measured on Pins 1 and 10 of the converter. The gull wing leads are formed to ensure optimal solder joint strength and structure. Furthermore they facilitate visual inspection (manual or automatic). The leads are formed from a 97% Cu alloy plated with Cu and Sn 90. This material is commonly used in the manufacture of integrated circuits. It has good corrosion resistance and exhibits the nobility inherent to all high copper alloys. Unlike brasses, this material is essentially immune to stress corrosion cracking. It also exhibits excellent solderability. It is readily wetted by solders and performs well in standard solderability tests. (Dip of Class II or better). Peak Temperature (See fig below) 250 This product is approved for forced convection reflow soldering only. 18-Oct-01 Max. temp. on pins 1 and 10 during reflow soldering (deg C) . Soldering: Restriction curve above 215ºC Peak temp. at pins 1 and 10 (ºC) 245 240 235 230 225 220 215 210 205 200 10 20 30 40 50 60 tp (s) Pick & Place Assembly: The product is designed with a large flat area in the center of the top surface to serve as a pick up point for automated vacuum pick and place equipment. The ‘open board’ construction of the unit ensures that weight is kept to a minimum. However due to the relatively large size of the component, a large nozzle (> 4 .0mm, depending on vacuum pressure) is recommended for picking and placing. The unit may also be automatically handled using ‘odd-form’ placement equipment, with mechanical grippers. For this type of equipment the end edges of the device, which have no leads and also feature the greatest dimensional accuracy, should be used as pick-up points. Rev 1.0 www.power-one.com Page 11 of 14 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Mechanical Drawings 18-Oct-01 Product Specifications Oct 2001 Note:- mm[inches] Tolerances: 0.5-10 ±0.1 10-100 ±0.2 Rev 1.0 www.power-one.com Page 12 of 14 Product Specifications Oct 2001 2.8 [0.11] RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs 18 17 16 15 14 13 12 11 10 24 [0.945] 29.6 [1.165] 1 2 3 4 5 6 7 8 5 [0.197] 9 3.6 [0.142] 40 [1.575] Recommended land pattern Tray pickup point JEDEC TRAY 18-Oct-01 Rev 1.0 www.power-one.com Page 13 of 14 Product Specifications Oct 2001 RFS Series: 20W / 6.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Pin-Out Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Designation +Vout -Vout Trim NC NC NC NC NC NC NC Shutdown NC NC NC NC NC -Vin +Vin Function Positive output voltage Output voltage return Output voltage adjust No connection No connection No connection No connection No connection No connection No connection Shutdown control. Pull low to turn unit off No connection No connection No connection No connection No connection Input voltage return Positive input voltage Reference Secondary Secondary Secondary Secondary Primary Primary Primary Primary Primary Primary Primary Primary Primary Primary Primary Primary Primary Primary Ordering Information Options Surface Mount Version, shipped in JEDEC Tray Suffixes to add to part number Add Suffix “–M6”. Through hole (leaded) version. Consult factory for availability. Notes 1. 2. 3. Consult factory for the complete list of available options. Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc. Specifications are subject to change without notice. 18-Oct-01 Rev 1.0 www.power-one.com Page 14 of 14