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IR3311S Datasheet(PDF) 1 Page - International Rectifier |
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IR3311S Datasheet(HTML) 1 Page - International Rectifier |
1 / 12 page Features • Load current feedback • Programmable over current shutdown • Active clamp • E.S.D protection • Input referenced to Vcc • Over temperatue shutdown • Reverse battery protection IR3311(S) Data Sheet No.PD60210_C Description The IR 3311(S) is a Fully Protected 4 terminal high side switch. The input signal is referenced to Vcc. When the input voltage Vcc - Vin is higher than the specified Vih threshold, the output power MOSFET is turned-on. When Vcc - Vin is lower than the specified Vil threshold, the output MOSFET is turned-off. A sense current proportional to the current in the power Mosfet is sourced to the Ifb pin. Over-current shutdown occurs when Vifb - Vin > 4.5 V. The current shutdown threshold is adjusted by selecting the proper RIfb. Either over-current and over-tem- perature latches off the switch. The device is reset by pulling the input pin high. Other integrated protections ( ESD, reverse battery, active clamp ) make the IR3311(S) very rugged and suitable for the automotive environment. Typical Connection PROGRAMMABLE CURRENT SENSING HIGH SIDE SWITCH Product Summary Rds(on) 12m Ω Vcc.op. 6 to 28V Current ratio 5300 Ishutdown 6A to 58A Active clamp 35V Load Dump 40V Package www.irf.com 1 VCC OUT IN IR 3311 LOAD Battery Power Ground System Ground off on Ifb 10 k RIfb 5 Lead TO220 IR3311 5 Lead D2Pak (SMD220) IR3311S |
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