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| NON-ISOLATED DC/DC CONVERTERS 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output VRPG-22A1AE * * * * * Non-Isolated High Efficiency Fixed Frequency Low Cost UL60950-1 Recognized (UL/cUL) RoHS Compliant * * * * * Rev.A Under-Voltage Lockout (UVLO) OCP/SCP Output Voltage Trim Power Good Remote On/Off Description The Bel VRPG-22A1AE is part of the low cost non-isolated dc/dc converter power module series. The module use a SIP package for ease of layout and space savings. The output is closely regulated and can be trimmed from 1.23 Vdc to 3.3 Vdc over a wide range of input voltage (Vin=10.8 Vdc-13.2 Vdc). The efficiency is typically 79% at 1.23 Vdc output at full load. Typical features include remote on/off, under-voltage lockout, over-current protection and short circuit protection. Part Selection Output Voltage 1.23 V - 3.3 V Input Voltage 10.8 V - 13.2 V Max. Output Current 21.5 A Max. Output Power 26 W Typical Efficiency at 1.23 V 79% Model Number VRPG-22A1AE Notes: 1. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. 2. Add "G" suffix at the end of the model numbers listed above to indicate "Tray Packaging". Absolute Maximum Ratings Parameter Input Voltage (continuous) Output Enable Terminal Voltage Ambient Temperature Storage Temperature Min -0.3 V -0.3 V 0 C -45 C Typ Max 15 V 15 V 65 C 85 C Notes Input Specifications Parameter Input Voltage Input Current (Full load) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Input Current (No load) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Remote Off Input Current External Input Capacitance 480 uF 340 mA 280 mA 220 mA 190 mA 165 mA 10 mA 30 mA With a combination of 470 uF/16 V AL capacitor with 10 uF/25 V Y5V ceramic capacitor at the input Min 10.8 V Typ 12 V Max 13.2 V 8A 6A 5A 4A 3.3 A Notes This power module is not internally fused and an external fuse in the input line is recommended. 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 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output Input Specifications (Continued) Parameter Input Reflected Ripple Current (pk-pk) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Input Reflected Ripple Current (rms) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 Min - Typ 350 mA 300 mA 250 mA 200 mA 150 mA 55 mA 50 mA 45 mA 40 mA 30 mA 0.2 A s 9.8 V 9.4 V 2 Max 80 mA 75 mA 70 mA 60 mA 50 mA 0.4 A s 10.4 V 10.0 V 2 Notes Tested with simulated source impedance of 1.5 uH, 5 Hz to 20 MHz, and a combination of 470 uF/ 16 V AL capacitor with 10 uF/25 V Y5V ceramic capacitor at the input 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=1.23 V Load Regulation Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Line Regulation Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Regulation Over Temperature (0 C to +65 C) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Output Ripple and Noise (pk-pk) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Min 3.234 V 2.450 V 1.764 V 1.470 V 1.215 V Typ 3.3 V 2.5 V 1.8 V 1.5 V 1.23 V 7 mV 5 mV 4 mV 3 mV 3 mV 4 mV 3 mV 2 mV 2 mV 2 mV 16 mV 12 mV 9 mV 8 mV 6 mV 50 mV 50 mV 40 mV 30 mV 30 mV Max 3.366 V 2.550 V 1.836 V 1.530 V 1.265 V 14 mV 10 mV 8 mV 6 mV 6 mV 6 mV 6 mV 5 mV 5 mV 5 mV 33 mV 25 mV 18 mV 15 mV 13 mV 80 mV 80 mV 60 mV 50 mV 50 mV Tested at 0-20 MHz BW, with 10 uF Tantalum capacitor and 1 uF ceramic capacitor at the test point. Notes Test condition: Vin=12 V, lout= full load Tested at 50% load step at 25 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 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output Output Specifications (continued) Parameter Output Ripple and Noise (rms) Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Output Current Current Limit Threshold Short Circuit Surge Transient Turn on Time Overshoot at Turn on Output Capacitance 1 Min 0A 25 A - Typ 13 mV 13 mV 10 mV 10 mV 10 mV 32 A 0.75 A s 7 mS 2 Max 20 mV 20 mV 15 mV 15 mV 15 mV 21.5 A 45 A 1.5 A s 15 mS 5% 10000 uF 2 Notes Tested at 0-20 MHz BW, with 10 uF Tantalum capacitor and 1 uF ceramic capacitor at the test point. Transient Response 50% ~ 75% Max Load Settling Time 75% ~ 50% Max Load Settling Time 50% ~ 75% Max Load Settling Time 75% ~ 50% Max Load Settling Time 50% ~ 75% Max Load Settling Time 75% ~ 50% Max Load Settling Time 50% ~ 75% Max Load Settling Time 75% ~ 50% Max Load Settling Time 50% ~ 75% Max Load Settling Time 75% ~ 50% Max Load Settling Time VO=1.23 V VO=1.5 V VO=1.8 V VO=2.5 V VO=3.3 V 80 mV 30 uS 80 mV 30 uS 80 mV 30 uS 80 mV 30 uS 60 mV 30 uS 60 mV 30 uS 50 mV 30 uS 50 mV 30 uS 40 mV 30 uS 40 mV 30 uS 160 mV 60 uS 160 mV 60 uS 160 mV 60 uS 160 mV 60 uS 120 mV 60 uS 120 mV 60 uS 100 mV 60 uS 100 mV 60 uS 100 mV 60 uS 100 mV 60 uS Test conditions: di/dt = 1 A/uS; Vin = 12 V Notes: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. 1. This module does not have output capacitors on the converter. Therefore, external capacitors are required. The recommended combination of external output capacitors is: 2 x 150 uF/4 V AluminumOrganic capacitor + 2 x 470 uF/16 V Aluminum capacitor + 10 uF/25 V ceramic Y5V capacitor. 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 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output General Specifications Parameter Efficiency Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.23 V Switching Frequency Remote Sense Compensation () MTBF Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.4 x 1.25 x 0.22 60.96 x 31.75 x 5.59 16 g 86% 84% 82% 80% 77% 195 kHz 89% 87% 85% 83% 80% 230 kHz 602,093 hours 265 kHz 10% Calculated Per 217F (Io =17.2 A, Vo=1.23 V; Vin=12 V; Ta = 25 ) Measured at Vin=12 V, full load. Min Typ Max Notes Note: All specifications are typical at 25 C unless otherwise stated. Control Specifications Parameter Remote On/Off Signal Low (Unit Off) Signal High (Unit On) Power Good Power Good Delay Signal Low Signal High 1 Min 0V 2.4 V Typ - Max 1V 13.2 V Notes Remote On/Off pin open, the module is ON. 0V 2.4 V - 10 mS 1V 5V Notes: All specifications are typical at 25 C unless otherwise stated. 1. Power good delay time is the time from output voltage reaches its final regulation value to Power Good Signal is set. Output Trim Equation Equation for calculating the trim resistor (in Kohm) given the desired adjusted voltage at no load (Vadj_up) is shown below. The Rtrim_up resistor should be connected between the Trim pin and Ground. Vout Rtrim _ up 0.2537 = - 0.075 Vadj _ up - 1.2375 Module Trim Rtrim_up Note: Vadj_up is the desired adjusted Vo. GND 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 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output Thermal Derating Curves Vo=3.3 V Vo=1.8 V Vo=1.23 V 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 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output Efficiency Data Efficiency Curve 95.0% 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 2 5 10 Output Current (A) 15 21.5 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 2 Efficiency Curve Efficiency 10.8 V 12.0 V 13.2 V Efficiency 10.8 V 12.0 V 13.2 V 5 10 15 21.5 Output Current (A) Vo=3.3 V Vo=2.5 V Efficiency Curve Efficiency Curve 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 50.0% 2 5 10 15 21.5 Output Current (A) Efficiency 10.8 V 12.0 V 13.2 V 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 50.0% 45.0% 2 5 10 15 21.5 Output Current (A) Efficiency 10.8 V 12.0 V 13.2 V Vo=1.8 V Vo=1.5 V Efficiency Curve 90.0% 85.0% 80.0% 75.0% 70.0% 65.0% 60.0% 55.0% 50.0% 45.0% 2 5 10 15 21.5 Output Current (A) Efficiency 10.8 V 12.0 V 13.2 V Vo=1.23 V 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 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output Ripple and Noise Waveforms 1.23 Vdc/0 A output 1.23 Vdc/21.5 A output 1.8 Vdc/0 A output 1.8 Vdc/21.5 A output 3.3 Vdc/0 A output 3.3 Vdc/21.5 A output Note: Ripple and Noise at 12 V Input, with external 1uF ceramic cap at output ripple test point, 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 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output Transient Response Waveforms Transients 50% to 75% load, 1.23 Vdc Output Transients 75% to 50% load, 1.23 Vdc Output Transients 50% to 75% load, 1.8 Vdc Output Transients 75% to 50% load, 1.8 Vdc Output Transients 50% to 75% load, 3.3 Vdc Output Transients 75% to 50% load, 3.3 Vdc Output Note: Transient Response at Vin=12 Vdc, di/dt=1 A/uS, 2x150 uF/4 V Aluminum-Organic AO-CAP + 2x470 uF/16 V Aluminum Cap +10 uF/25 V Ceramic Y5V Cap at output, and 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 10.8 Vdc - 13.2 Vdc Input 1.23 Vdc - 3.3 Vdc/21.5 A Output Mechanical Outline Recommended PCB layout for customer's motherboard Pin Connections Pin 1 2 3 4 5 6 7 8 9 10 11 12 Function Trim No Pin Ground PWRGOOD No Connection No Connection Ground Ground Remote On/Off Remote -Sense Remote +Sense Vin Pin 13 14 15 16 17 18 19 20 21 22 23 24 Function Vin Vin Vout Vout Ground Vout Ground Vout Ground Vout Ground Vout RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. (c)2007 Bel Fuse Inc. Specifications subject to change without notice. 022607 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 |
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