AS1349 Datasheet (as1346 - As1349) Dual Step Down Converter

Manufacturer: Austin Semiconductor

Overview: Datasheet AS1346, AS1347, AS1348, AS1349 D u a l St e p - D o w n C o n v e r t e r w i t h B a t t e r y M o n i t o r i n g www.DataSheet4U.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number	AS1349
Manufacturer	Austin Semiconductor
File Size	635.83 KB
Description	(AS1346 - AS1349) Dual Step Down Converter
Datasheet	AS1349 AS1346 Datasheet (PDF)

General Description

The AS1346, AS1347, AS1348, AS1349 family is a high-efficiency, constant-frequency dual buck converter available with fixed voltage versions.

The device provides two independent DC/DC Converters with output currents between 0.5A and 1.2A.

The wide input voltage range (2.7V to 5.5V), automatic powersave mode and minimal external component requirements make the AS134x family perfect for SSD and many other batterypowered applications.

Key Features

! ! ! ! High Efficiency: Up to 95% Output Current: see Table 1 Input Voltage Range: 2.7V to 5.5V Output Voltage Range: 1.2V to 3.6V (available in 100mV steps) Constant Frequency Operation: 2.0MHz 180° Out of Phase Operation Low Battery Detection Low Dropout Operation: 100% Duty Cycle Shutdown Mode Supply Current: ≤1µA No Schottky Diode Required Output Disconnect in Shutdown Non standard variants available within two weeks 12-Pin TDFN 3x3mm Package ! ! ! ! ! ! ! ! ! In shutdown mode the typica.

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More Datasheets from Austin Semiconductor

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