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The TCK2291xG series is Load Switch ICs for power management with

True Reverse Current Blocking and Thermal Shutdown function featuring

low switch on resistance, ultra low quiescent current, high output current

and wide input operating voltage range of 1.1 to 5.5 V. Switch ON

resistance is only 31 m? at 5.0 V, -0.15 A load conditions and output

current is available on 2.0 A. And these feature a slew rate control driver

and output auto-discharge function.

These devices are available in 0.4 mm pitch ultra small package

WCSP6E (0.8 mm x 1.2 mm, t: 0.55 mm). Thus these devices are ideal

for portable applications that require high-density board assembly such

as cellular phone.

Feature

? True Reverse Current Blocking

? Thermal Shutdown function

? Output auto-discharge (Option)

? Under voltage lockout

? Low ON resistance :

RON = 31 m? (typ.) at VIN = 5.0 V, IOUT = -0.15 A

RON = 40 m? (typ.) at VIN = 3.3 V, IOUT = -0.15 A

RON = 70 m? (typ.) at VIN = 1.8 V, IOUT = -0.15 A

RON = 141 m? (typ.) at VIN = 1.2 V, IOUT = -0.15 A

? Low Quiescent Current: IQ = 11 μA (typ.) at IOUT = 0 mA

? Low standby current: IQ(OFF) = 0.6 μA (typ.) at OFF state

? Inrush current reduction circuitt

? Pull down connection between Control and GND(Option)

? Ultra small package : WCSP6E (0.8 mm x 1.2 mm, t: 0.55 mm)