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摘要：  這個TPS27082L IC是一個高壓側負荷開關，集成了一個功率PFET和控制電路在一個小小的TSOT-23包。TPS27082L要求非常低靜態(tài)電流通路狀態(tài)，提供非常低的截止態(tài)泄漏從而優(yōu)化系統(tǒng)功率效率。

關鍵字：  高壓側負荷開關，功率PFET

這個TPS27082L IC是一個高壓側負荷開關，集成了一個功率PFET和控制電路在一個小小的TSOT-23包。TPS27082L要求非常低靜態(tài)電流通路狀態(tài)，提供非常低的截止態(tài)泄漏從而優(yōu)化系統(tǒng)功率效率。

TPS27082L ON/OFF logic interface features hysteresis， thus providing a robust logic interface even under very noisy operating conditions. TPS27082L ON/OFF interface supports direct interfacing to low voltage GPIOs down to 1V. The TPS27082L level shifts ON/OFF logic signal to VIN levels without requiring an external level shifter.

TPS27082L features a novel OFF isolation circuit that prevents PMOS from turning ON in applications that may have fast transients， at the VIN pin when the load switch is in the OFF-state.

Features

Low ON Resistance， High Current PFET RDS = 32mΩ (Typical) at VGS = –4.5V RDS = 44mΩ (Typical) at VGS = –3.0V RDS = 85mΩ (Typical) at VGS = –1.8V RDS = 97mΩ (Typical) at VGS = –1.5V RDS = 155mΩ (Typical) at VGS = –1.2V Adjustable Turn-ON and Turn-OFF Slew Rate 10µsec Default Minimum Output Rise Time at VIN=5V Adjustable Turn-ON and Turn-OFF Slew Rate Supports a Wide Range of VIN 1.2V up to 8V Excellent OFF Isolation Even Under Fast Input Transients 1.0V up to 8V NMOS Control Logic Interface With Adjustable Hystersis Fully Protected Against ESD (All Pins) HBM 2kV， CDM 500V Very Low ON-state Quiescent Current (Down to 1.2µA) Very Low OFF-state Leakage Current (Typ 100nA) Available in 2.9mm × 1.6mm × 0.75mm SOT-23 (DDC) Package