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VRAF-08AT51 Datasheet(PDF) 3 Page - Bel Fuse Inc. |
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VRAF-08AT51 Datasheet(HTML) 3 Page - Bel Fuse Inc. |
3 / 8 page 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 12 Vdc Input Vddq/2 8 A Output Sep. 29, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Transient Response 12.5% ~ 62.5%Max Load - 80 mV 120 mV Settling Time - 30 uS 50uS 62.5% ~ 12.5%Max Load - 80 mV 120 mV Settling Time VO =0.9 V - 30 uS 50 uS di/dt=1A/uS; Vin12 V; and with 13 X 10uF 0603 ceramics + 1 X 47uF 1206 ceramic at the output. Vddq=1.5V. Note: All specifications are typical at Vin =12 V, Vddq=1.8 V, Io=8 A, Ta= 25°C unless otherwise stated. General Specifications Parameter Min Typ Max Notes Efficiency 68% 69% - Vin=12 V, Vddq=1.8 V, Io=8 A Switching Frequency 260 kHz 300 kHz 340 kHz MTBF 6,416,286 hours Calculated Per Bell Core SR-332 (IO = 80% load; Vin=12 V; Ta = 25 C) Dimensions Inches (L × W × H) Millimeters (L × W × H) 0.65 x 0.41 x 0.40 16.51 x 10.41 x 10.16 Weight - 2.5 g - Note: All specifications are typical at 25 C unless otherwise stated. Control Specifications Parameter Min Typ Max Notes Output Enable ENABLE High 2 V - 5.5 V ENABLE Low 0 V - 0.8 V Enable Pin open, the module is off. Efficiency Data Efficiency Curve 45.0% 50.0% 55.0% 60.0% 65.0% 70.0% 75.0% 80.0% 85.0% 0.8 2.0 4.0 6.0 8.0 Output Current (A) 10.8 V 12.0 V 13.2 V VRAF-08AT51 |
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