SRAH-12F180

NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output xRAH-12Fxx0 Series • • • • • Non-Isolated Fixed frequency (300 kHz) RoHS Compliant • OCP/SCP Rev.A • Trim function (Option) • Remote On/Off • Remote Sense (SMD module) Low profile package (7.82 mm) Under-voltage lockout (UVLO) UL60950-1 Recognized (UL/cUL) Description The Bel xRAH-12Fxx0 series are part of the low cost non-isolated dc/dc converter series. These converters are available in a range of output voltages from 1.0 Vdc to 3.3 Vdc. It is packaged in a compact, overmolded package rated at 12 A. The output is closely regulated and the efficiency of 3.3 Vdc output module is typically 93% at full load. Typical features include remote on/off, input under voltage lockout, over current protection and short circuit protection. Part Selection Output Voltage 3.3 V 2.5 V 1.8 V 1.5 V 1.2 V 1.0 V Input Voltage 4.5 V - 5.5 V 3.6 V - 5.5 V 3.0 V - 5.5 V 3.0 V - 5.5 V 3.0 V - 5.5 V 3.0 V - 5.5 V Max. Output Current 12 A 12 A 12 A 12 A 12 A 12 A Max. Output Power 39.6 W 30.0 W 21.6 W 18.0 W 14.4 W 12.0 W Typical Efficiency 93% 89% 87% 84% 82% 80% Part Number Surface Mount SRAH-12F330 SRAH-12F250 SRAH-12F180 SRAH-12F150 SRAH-12F120 SRAH-12F100 Part Number Vertical Mount VRAH-12F330 VRAH-12F250 VRAH-12F180 VRAH-12F150 VRAH-12F120 VRAH-12F100 Notes: 1. Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel Packaging”, and “G” for “Tray Packaging”. 2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. Absolute Maximum Ratings Parameter Input Voltage (continuous) Output Enable Terminal Voltage Ambient Temperature Storage Temperature Min -0.3 V -0.3 V -40 °C -55 °C Typ Max 6V 7V 85 °C 125 °C Notes Input Specifications Parameter Input Voltage VO=3.3 V VO=2.5 V VO=1.8-1.0 V Input Current (no load) Input Current (full load) VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V Remote Off Input Current 4.5 V 3.6 V 3.0 V 120 mA 2 mA 5.5 V 5.5 V 5.5 V 200 mA 11 A 10.5 A 9.0 A 8.1 A 6.5 A 5.2 A 5 mA Min Typ Max Notes Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input Parameter Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn on Voltage Threshold Turn off Voltage Threshold 2 1.0 Vdc - 3.3 Vdc/12 A Output Min Typ 260 mA 75 mA 0.09 A s 2.1 V 2V 2 Input Specifications (continued) Max 320 mA 120 mA 0.2 A s 2.4 V 2 Notes With simulated source impedance of 500 nH, 5 Hz to 20 MHz; use a 270 uF/6.3 V cap with ESR=0.03 ohm max at 100 kHz Note: All specifications are typical at 25 °C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V Line Regulation Load Regulation Regulation Over Temperature (-40 °C to +85 °C) Min 3.234 V 2.450 V 1.764 V 1.470 V 1.176 V 0.980 V 0A 20 A 330 uF Typ 3.3 V 2.5 V 1.8 V 1.5 V 1.2 V 1.0 V ±1 mV ±2 mV ±10 mV ±9 mV ±7 mV ±6 mV ±5 mV ±4 mV 2 0.3 A s 12 mV 50 mV 5 mS 0% 110 mV 40 uS 110 mV 40 uS 100 mV 30 uS 100 mV 30 uS 90 mV 20 uS 90 mV 20 uS Max 3.366 V 2.550 V 1.836 V 1.530 V 1.224 V 1.020 V ±4 mV ±5 mV ±15 mV ±13 mV ±12 mV ±11 mV ±10 mV ±9 mV 12 A 30 A 2 0.6 A s 21 mV 90 mV 10 mS 3% 4800 uF 150 mV 80 uS 150 mV 80 uS 150 mV 60 uS 150 mV 60 uS 130 mV 40 uS 130 mV 40 uS Test conditions: 0-20 MHz BW; 1 uF ceramic capacitor and 330 uF external capacitor at the output. Notes Test conditions: Vin=5 V, Io= 50% load VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V Output Current Current Limit Threshold Short Circuit Surge Transient Ripple and Noise (rms) Ripple and Noise (pk-pk) Turn on Time Overshoot at Turn on Output Capacitance Transient Response Overshoot 50% ~ 100% Max Load Settling Time Overshoot 100% ~ 50% Max Load Settling Time Overshoot 50% ~ 100% Max Load Settling Time Overshoot 100% ~ 50% Max Load Settling Time Overshoot 50% ~ 100% Max Load Settling Time Overshoot 100% ~ 50% Max Load Settling Time VO=3.3 V VO=2.5 V Test conditions: di/dt=0.5A/us, Vin=5V, with 330uF external load capacitance. VO=1.0 V 1.8 V Note: All specifications are typical at 5 V input, full load at 25 °C unless otherwise stated. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output General Specifications Parameter Efficiency VO=3.3 V VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V Efficiency VO=1.8 V VO=1.5 V VO=1.2 V VO=1.0 V Switching Frequency Output Trim Range Remote Sense Compensation MTBF Dimensions (surface mount) Inches (L × W × H) Millimeters (L × W × H) Dimensions (vertical) Inches (L × W × H) Millimeters (L × W × H) Weight 85% 81% 79% 76% 250 kHz 90%VO 88% 84% 82% 79% 300 kHz 4,038,174 hours 0.78 x 0.70 x 0.32 19.81 x 17.78 x 8.128 0.70 x 0.308 x 0.65 17.78 x 7.82 x 16.51 5.1 g 350 kHz 110%VO 10% SMD module Calculated Per Bell Core SR-332 (IO = 9.6 A, Vin=5 V; Ta = 25 °C) Vin=3.3 V, full load 90% 86% 84% 81% 79% 77% 93% 89% 87% 84% 82% 80% Vin=5 V, full load Min Typ Max Notes Control Specifications Parameter Remote On/Off Signal Low (Unit Off) Min 2.1 V (Vin=3.0 V) Signal High (Unit On) 3.15 V (Vin=4.5 V) 3.85 V (Vin=5.5 V) Typ Max 0.9 V (Vin=3.0 V) 1.35 V (Vin=4.5 V) 1.65 V (Vin=5.5 V) Remote on/off pin open, unit on. Notes Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Output Trim Equations Equations for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) and the nominal output voltage of the converter (Vnom) are shown below. The Trim Down resistor should be connected between the Trim pin and Vout. The Trim Up resistor should be connected between the Trim pin and Ground. Only one of the resistors should be used for any given application. RTrimDown = A −B Vnom − Vadj Vout Rtrimdown Module Trim GND RTrimUp = Vadj C −D − Vnom Vout Module Trim Rtrimup GND Vnom 3.3 2.5 1.8 1.5 1.2 1.0 A 161.391 111.674 68.576 50.000 31.240 18.850 B 161.900 208.900 287.900 287.900 208.900 161.900 C 43.330 43.330 43.330 43.330 43.330 43.330 D 100.000 147.000 226.000 226.000 147.000 100.000 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Efficiency Data Efficiency Curve 94.00% 92.00% 90.00% 88.00% Efficiency Curve 98.00% 96.00% 94.00% 92.00% Efficiency 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 78.00% 1 2 3 4 5 6 7 8 9 10 11 12 Output Current (A) 4.5 V 5.0 V 5.5 V Efficiency 86.00% 84.00% 82.00% 80.00% 78.00% 76.00% 74.00% 1 2 3 4 5 6 7 8 9 10 11 12 Output Current (A) 3.6 V 4.5 V 5.5 V xRAH-12F330 Efficiency Curve 94.00% 92.00% 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 78.00% 76.00% 74.00% 72.00% 70.00% 1 2 3 4 5 6 7 8 9 10 11 12 Output Current (A) xRAH-12F250 Efficiency Curve 92.00% 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 78.00% 76.00% 74.00% 72.00% 70.00% 1 2 3 4 5 6 7 8 9 10 11 12 Output Current (A) 3.0 V 3.3 V 5.0 V 5.5 V Efficiency 3.0 V 3.3 V 5.0 V 5.5 V xRAH-12F180 Efficiency Curve 92.00% 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 78.00% 76.00% 74.00% 72.00% 70.00% 1 2 3 4 5 6 7 8 9 10 11 12 Output Current (A) 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 78.00% 76.00% 74.00% 72.00% 70.00% 68.00% 1 2 3 Efficiency xRAH-12F150 Efficiency Curve Efficiency 3.0 V 3.3 V 5.0 V 5.5 V Efficiency 3.0 V 3.3 V 5.0 V 5.5 V 4 5 6 7 8 9 10 11 12 Output Current (A) xRAH-12F120 xRAH-12F100 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Thermal Derating Curves SRAH-12F330 VRAH-12F330 SRAH-12F250 VRAH-12F250 SRAH-12F180 VRAH-12F180 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Thermal Derating Curves (continued) SRAH-12F150 VRAH-12F150 SRAH-12F120 VRAH-12F120 SRAH-12F100 Test Condition: Derating curves are tested at 5 V input. VRAH-12F100 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Ripple and Noise Waveforms 5 Vdc Input, 3.3 Vdc Output 5 Vdc Input 2.5 Vdc Output 3.3 Vdc Input, 1.8 Vdc Output 5 Vdc Input 1.8 Vdc Output 3.3 Vdc Input, 1.5 Vdc Output 5 Vdc Input 1.5 Vdc Output 3.3 Vdc Input, 1.2 Vdc Output 5 Vdc Input 1.2 Vdc Output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Ripple and Noise Waveforms (continued) 3.3 Vdc Input, 1.0 Vdc Output 5 Vdc Input 1.0 Vdc Output Note: Ripple and Noise at full load, with 1 uF ceramic capacitor and a 330 uF tantalum capacitor at the output, Ta=25 deg C. Transient Response Waveforms 50% to 100% load 5.0 Vdc Input 3.3 Vdc Output 100% to 50% load 5.0 Vdc Input 3.3 Vdc Output 50% to 100% load 5.0 Vdc Input 2.5 Vdc Output 100% to 50% load 5.0 Vdc Input 2.5 Vdc Output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Transient Response Waveforms (continued) 50% to 100% load 3.3 Vdc Input 1.8 Vdc Output 100% to 50% load 3.3 Vdc Input 1.8 Vdc Output 50% to 100% load 5 Vdc Input 1.8 Vdc Output 100% to 50% load 5 Vdc Input 1.8 Vdc Output 50% to 100% load 3.3 Vdc Input 1.5 Vdc Output 100% to 50% load 3.3 Vdc Input 1.5 Vdc Output 50% to 100% load 5 Vdc Input 1.5 Vdc Output 100% to 50% load 5 Vdc Input 1.5 Vdc Output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Transient Response Waveforms (continued) 50% to 100% load 3.3 Vdc Input 1.2 Vdc Output 100% to 50% load 3.3 Vdc Input 1.2 Vdc Output 50% to 100% load 5 Vdc Input 1.2 Vdc Output 100% to 50% load 5 Vdc Input 1.2 Vdc Output 50% to 100% load 3.3 Vdc Input 1.0 Vdc Output 100% to 50% load 3.3 Vdc Input 1.0 Vdc Output 50% to 100% load 5 Vdc Input 1.0 Vdc Output 100% to 50% load 5 Vdc Input 1.0 Vdc Output Note: Transient response at di/dt=0.5 A/uS, with external load capacitance = 330 uF, Ta=25 deg C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com NON-ISOLATED DC/DC CONVERTERS 3.0 Vdc - 5.5 Vdc Input 1.0 Vdc - 3.3 Vdc/12 A Output Mechanical Outline SRAH-12Fxx0 Pin Connections bel Pin 1 2 3 4 5 6 7 Function Remote On/Off (option) Vin Ground Vout Trim (option) Sense (option) N/A VRAH-12Fxx0 Pin Connections bel bel Pin 1 2 3 4 5 Function Remote On/Off (option) Vin Ground Vout Trim (option) RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. These parts are not however compatible with the higher temperatures associated with lead free solder processes and must be soldered using a reflow profile with a peak temperature of no more than 240 ºC. ©2007 Bel Fuse Inc. Specifications subject to change without notice. 010507 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com