TPS27082LDDCR

1 Features

• Low ON-Resistance, High Current PFET

– RON = 32 mΩ (Typical) at VGS = –4.5 V 

– RON = 44 mΩ (Typical) at VGS = –3.0 V 

– RON = 85 mΩ (Typical) at VGS = –1.8 V 

– RON = 97 mΩ (Typical) at VGS = –1.5 V 

– RON = 155 mΩ (Typical) at VGS = –1.2 V 

• Configurable Turn-ON and Turn-OFF Slew Rate

– 10-µs Default Minimum Output Rise Time at VIN=5 V 

• Configurable Turnon and Turnoff Slew Rate

• Supports a Wide Range of VIN 1.2 V Up to 8 V 

• Excellent OFF Isolation Even Under Fast Input Transients

• 1.0V up to 8V NMOS Control Logic Interface With Configurable Hystersis

• Fully Protected Against ESD (All Pins)

– HBM 2000 V, CDM 500 V 

• Very Low ON-state Quiescent Current (Down to 1.2 µA)

• Very Low OFF-state Leakage Current (Typical 100 nA)

• Available in 2.9 mm × 1.6 mm x 0.75mm SOT-23 (DDC) Package

2 Applications

• High-Side Load Switches

• Inrush-current Controls

• Power Sequencing and Controls

• Stand-by Power Isolation

• Portable Power Switches

3 Description

The TPS27082L IC is a high-side load switch that integrates a Power PFET and a control circuit in a tiny TSOT-23 package. TPS27082L requires very low ON-state quiescent current and offers very low OFFstate leakage thus optimizing system power efficiency.

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 1 V. 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.

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