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AS1355 - Triple LDO

Description

The AS1355 is a high-performance triple CMOS lowdropout voltage regulator in a single QFN package.

Features

  • ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! 3 Independent Voltage Regulators with Shutdown Output Current: 300mA each LDO Programmable Output Voltage Range: 1.25V to 3.6V in 50mV Steps Accuracy: ±1.0% PSRR: 70dB at 1kHz, 60dB at 100kHz Line Regulation: ±2mV Load Regulation: ±0.6mV Supply Range: 2.3V to 5.5V 0.1V Dropout Voltage @ Iload = 200mA Shutdown Current: ≤1µA Supply Current Without Load: 160µA (typ) Softstart for Low Inrush Current Stable with low ESR Ceramic Capacitors from 1µF to 4.7µF Low Noi.

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Datasheet preview – AS1355

Datasheet Details

Part number AS1355
Manufacturer austriamicrosystems AG
File Size 2.00 MB
Description Triple LDO
Datasheet download datasheet AS1355 Datasheet
Additional preview pages of the AS1355 datasheet.

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Full PDF Text Transcription

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Preliminary Datasheet AS1355 3 0 0 m A , Tr i p l e L D O www.DataSheet4U.com 1 General Description The AS1355 is a high-performance triple CMOS lowdropout voltage regulator in a single QFN package. The efficient set of programmable power supplies is optimized to deliver the best compromise between quiescent current and regulator performance for mobile phones, PDAs, MP3 players, and other battery powered devices. Stability is guaranteed with ceramic output capacitors of only 1µF (±20% – X5R) up to 4.7µF (±20% – X5R). The low equivalent series resistance (ESR) of these capacitors ensures low output impedance at high frequencies. Regulation performance is excellent even under low dropout conditions, when the power transistor has to operate in linear mode.
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