POWER MANAGEMENT



SC704/SC705

500mA Low Vin, Very Low Ron

Load Switch

© 205 Semtech Corporation

Features

Input Voltage Range – .V to 3.6V

500mA Continuous Output Current

Ultra-Low Ron – 90mΩ

Automatic Output Discharge Circuit

Fast Turn-on Option With No Output Discharge

Circuit – SC704

Extended Soft Start Option With Automatic Out-

put Discharge Circuit – SC705

Low Shutdown Quiescent Current

Hardened ESD Protection 5kV

Package: CSP – 0.76mm × 0.76mm, 0.4mm Pitch

Applications

Smart Phones

Tablet PCs

GPS devices

Battery powered equipment

Other portable Device

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Description

The SC704/SC705 is a low input voltage, low Ron load

switch, designed for use in battery powered applications.

Integrated circuitry controls the switch to minimize resis-

tance over a wide range of conditions.

The device provides controlled soft-start to limit inrush

current. The SC705 features an automatic discharge circuit

which discharges the output when the part is disabled.

The SC704/SC705 is offered in an ultra-small 4-bump

0.76mm×0.76mm Chip Scale Package (CSP) which enables

very small board area implementations. The SC704/SC705

SC704 / SC705

SUPPLY

LOAD

VOUT

VIN

EN

GND

ENABLE

VIN

1µF

1µF

Typical Application Circuit

Rev. 2.4

Device

Package

Automatic

Discharge Rising Time

SC704

CSP

No

6.7µs(Typ.)

SC705

CSP

Yes

37µs(Typ.)