GENERAL DESCRIPTION

The ADP2370/ADP2371 are high efficiency, low quiescent current, 800 mA buck (step-down) dc-to-dc converters in small 8-lead, 3 mm × 3 mm LFCSP (QFN) packages. The total solution requires only three tiny external components.

FEATURES

Input voltage range: 3.2 V to 15 V, output current: 800 mA

Quiescent current < 14 μA in power saving mode (PSM)

>90 efficiency

Force PWM pin (SYNC), 600 kHz/1.2 MHz frequency pin (FSEL)

Fixed outputs: 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V, and adjustable option

100 duty cycle capability

Initial accuracy: ±1

Low shutdown current: <1.2 μA

Quick output discharge (QOD) option

Synchronizable to an external clock

8-lead, 0.75 mm × 3 mm × 3 mm LFCSP (QFN) package

Supported by ADIsimPower design tool

APPLICATIONS

Portable and battery-powered equipment

Automatic meter readers (WSN)

Point of sales and transaction processing instruments

Medical instruments

Medium format display tablets and pads