NON-ISOLATED DC/DC CONVERTERS 3.0V-5.5V Input 1.0V-3.3V/12A Output x7AH-12Fxx0 Series • Non-Isolated • OCP/SCP • Fixed frequency (300kHz) • Trim function (Option) • Low profile package (7.82mm) • Remote On/Off • Under-voltage lockout (UVLO) • Remote Sense (SMD module) Description The Bel x7AH-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 1.0V to 3.3V. It is packaged in a compact, overmolded package rated at 12A. The output is closely regulated and the efficiency of 3.3V 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 3.3V Input Voltage 4.5V – 5.5V Max. Output Current 12A Max. Output Power 39.6W Typical Efficiency 93% Part Number Surface Mount S7AH-12F330 Part Number Vertical Mount V7AH-12F330 2.5V 3.6V – 5.5V 12A 30.0W 89% S7AH-12F250 V7AH-12F250 1.8V 3.0V – 5.5V 12A 21.6W 87% S7AH-12F180 V7AH-12F180 1.5V 3.0V – 5.5V 12A 18.0W 84% S7AH-12F150 V7AH-12F150 1.2V 3.0V – 5.5V 12A 14.4W 82% S7AH-12F120 V7AH-12F120 1.0V 3.0V – 5.5V 12A 12.0W 80% S7AH-12F100 V7AH-12F100 Note: Add “0” suffix at the end of the model number to indicate “Tube Packaging”, and “R” for “Reel Packaging”, and “G” for “Tray Packaging”. Absolute Maximum Ratings Parameter Input Voltage (continuous) Min -0.3V Typ - Max 6V Output Enable Terminal Voltage -0.3V - 7V Ambient Temperature -40°C - 85°C Storage Temperature -55°C - 125°C Notes Input Specifications Parameter Min Typ Max 4.5V 3.6V 3.0V - 120mA 5.5V 5.5V 5.5V 200mA - 2mA 11A 10.5A 9.0A 8.1A 6.5A 5.2A 5mA Notes Input Voltage VO=3.3V VO=2.5V VO=1.8-1.0V Input Current (no load) Input Current (full load) VO=3.3V VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=1.0V Remote Off Input Current 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 3.0V-5.5V Input 1.0V-3.3V/12A Output Input Specifications (continued) Parameter Min Typ Max Input Reflected Ripple Current (pk-pk) - 260mA 320mA Input Reflected Ripple Current (RMS) - 75mA 120mA - 2 0.2A s 2.4V 2 I t Inrush Current Transient Turn on Voltage Threshold Turn off Voltage Threshold - 0.09A s 2.1V 2V 2 Notes With simulated source impedance of 500nH, 5Hz to 20MHz; use a 270uF/6.3V cap with ESR=0.03 ohm max at 100KHz Note: All specifications are typical at 25°C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point Min Typ Max 3.234V 2.450V 1.764V 1.470V 1.176V 0.980V - 3.3V 2.5V 1.8V 1.5V 1.2V 1.0V ±1mV ±2mV 3.366V 2.550V 1.836V 1.530V 1.224V 1.020V ±4mV ±5mV 0A 20A - ±10mV ±9mV ±7mV ±6mV ±5mV ±4mV 2 0.3A s ±15mV ±13mV ±12mV ±11mV ±10mV ±9mV 12A 30A 2 0.6A s Ripple and Noise (RMS) - 12mV 21mV Ripple and Noise (pk-pk) - 50mV 90mV 330uF 5mS 0% - 10mS 3% 4800uF - 110mV 40uS 110mV 40uS 100mV 30uS 100mV 30uS 90mV 20uS 90mV 20uS 150mV 80uS 150mV 80uS 150mV 60uS 150mV 60uS 130mV 40uS 130mV 40uS VO=3.3V VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=1.0V Line Regulation Load Regulation Regulation Over Temperature (-40°C to +85°C) VO=3.3V VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=1.0V Output Current Current Limit Threshold Short Circuit Surge Transient 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=3.3V VO=2.5V VO=1.0V 1.8V Notes Test conditions: Vin=5V, Io= 50% load Test conditions: 0-20MHz BW; 1uF ceramic capacitor and 330uF external capacitor at the output. Test conditions: di/dt=0.5A/us, Vin=5V, with 330uF external load capacitance. Note: 1. All specifications are typical at 5V 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 3.0V-5.5V Input 1.0V-3.3V/12A Output General Specifications Parameter Min Typ Max VO=3.3V VO=2.5V VO=1.8V VO=1.5V VO=1.2V VO=1.0V 90% 86% 84% 81% 79% 77% 93% 89% 87% 84% 82% 80% - VO=1.8V VO=1.5V VO=1.2V VO=1.0V 85% 81% 79% 76% 88% 84% 82% 79% - Switching Frequency 250KHz 300KHz 350KHz Output Trim Range 90%VO - 110%VO - - 10% Notes Efficiency Vin=5V, full load Efficiency Remote Sense Compensation MTBF × H) × H) 0.78 x 0.70 x 0.32 19.81 x 17.78 x 8.128 × H) × H) 0.70 x 0.308 x 0.65 17.78 x 7.82 x 16.51 Weight - SMD module Calculated Per Bell Core TR-332 (IO = 9.6A, Vin=5V; Ta = 25°C) 4,038,174 hours Dimensions (surface mount) Inches (L × W Millimeters (L × W Dimensions (vertical) Inches (L × W Millimeters (L × W Vin=3.3V, full load 5.1g - Control Specifications Parameter Remote On/Off Signal Low (Unit Off) Signal High (Unit On) Min Typ Max - - 0.9V (Vin=3.0V) - - 1.35V (Vin=4.5V) - - 1.65V (Vin=5.5V) 2.1V (Vin=3.0V) - - 3.15V (Vin=4.5V) - - 3.85V (Vin=5.5V) - - Notes Remote on/off pin open, unit on. 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 3.0V-5.5V Input 1.0V-3.3V/12A 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 = Vout A −B Vnom − Vadj Rtrimdown Module Trim GND RTrimUp = Vadj Vout C −D − Vnom Module Trim Rtrimup GND Vnom A B C D 3.3 161.391 161.900 43.330 100.000 2.5 111.674 208.900 43.330 147.000 1.8 68.576 287.900 43.330 226.000 1.5 50.000 287.900 43.330 226.000 1.2 31.240 208.900 43.330 147.000 1.0 18.850 161.900 43.330 100.000 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 3.0V-5.5V Input 1.0V-3.3V/12A Output Efficiency Data 95.00% 100.00% 95.00% 90.00% 90.00% 85.00% 4.5V 5.0V 85.00% 5.5V 80.00% 3.6V 4.5V 5.5V 80.00% 75.00% 75.00% 70.00% 70.00% 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 x7AH-12F330 4 5 6 7 8 9 10 11 12 x7AH-12F250 95.00% 95.00% 90.00% 90.00% 85.00% 85.00% 3V 80.00% 3.3V 5V 75.00% 5.5V 80.00% 3V 75.00% 3.3V 5V 5.5V 70.00% 70.00% 65.00% 65.00% 60.00% 60.00% 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 x7AH-12F180 4 5 6 7 8 9 10 11 12 x7AH-12F150 95.00% 95.00% 90.00% 90.00% 85.00% 85.00% 3V 3.3V 5V 80.00% 75.00% 3V 3.3V 5V 5.5V 80.00% 75.00% 5.5V 70.00% 70.00% 65.00% 65.00% 60.00% 60.00% 1 2 3 4 5 6 7 8 x7AH-12F120 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 x7AH-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 3.0V-5.5V Input 1.0V-3.3V/12A Output Thermal Derating Curves S7AH-12F330 S7AH-12F250 S7AH-12F180 V7AH-12F330 V7AH-12F250 V7AH-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 3.0V-5.5V Input 1.0V-3.3V/12A Output Thermal Derating Curves (continued) S7AH-12F150 V7AH-12F150 S7AH-12F120 V7AH-12F120 S7AH-12F100 V7AH-12F100 Test Condition: Derating curves are tested at 5V input. 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 3.0V-5.5V Input 1.0V-3.3V/12A Output bel Pin Connections Pin Function 1 Remote On/Off (option) 2 Vin 3 Ground 4 Vout 5 Trim (option) 6 Remote Sense (option) 7 N/A Pin Connections bel bel Pin Function 1 Remote On/Off (option) 2 Vin 3 Ground 4 Vout 5 Trim (option) 2004 Bel Fuse Inc. Specifications subject to change without notice. 112504 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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