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UPD166019T1F Datasheet(PDF) 7 Page - Renesas Technology Corp |
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UPD166019T1F Datasheet(HTML) 7 Page - Renesas Technology Corp |
7 / 18 page PD166019T1F Preliminary R07DS0730EJ0100 Rev.1.00 Page 7 of 16 Apr 25, 2012 Short Circuit Protection Case 1: Turn on in an overloaded condition, which includes a short circuit condition. The device shut down automatically when IL > IL(SC) condition is detected. Then the VIN value is increased by the output of IOL current. Shutdown is latched until the next reset via IN input. Short circuit detection Depending on the external impedance IOL output (= IOL × RIN) Case 1 IL > IL(SC) VBAT VCC IL(SC) VOUT VON VIN 0 0 IL VOUT/VCC t (Evaluation circuit) : Cable impedance IL(SC): Short circuit detection current VIN RIN VOUT Von IOL IL VCC IN OUT RL VBAT Case 2: Short circuit during On-condition. The device shut down automatically when IL > IL(SC) condition is detected. Then the VIN value is increased by the output of IOL current. Shutdown is latched until the next reset via IN input. IOL output (= IOL × RIN) Depending on the external impedance VCC IL(SC) VIN 0 0 IL VOUT t Short circuit detection Case 2 IL > IL(SC) at On condition (Evaluation circuit) : Cable impedance IL(SC): Short circuit detection current VIN RIN VOUT Von IOL IL VCC IN OUT RL VBAT |
Similar Part No. - UPD166019T1F |
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Similar Description - UPD166019T1F |
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