Datasheet > AS1341-BTDT

AS1341-BTDT

更新时间： 2024-09-24 04:06:43

品牌	Logo	应用领域
艾迈斯 - AMSCO		转换器
页数	文件大小	规格书
16页	843K
描述
20V, 600mA, 100% Duty Cycle, Step-Down Converter

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AS1341-BTDT 技术参数

生命周期：	Unknown	Reach Compliance Code：	unknown
风险等级：	5.8

AS1341-BTDT 数据手册

Data Sheet

AS1341

20V, 600mA, 100% Duty Cycle, Step-Down Converter

1 General Description

2 Key Features

ꢀ

Output Voltages: Fixed 5V or Adjustable

Input Voltage Range: 4.5 to 20V

Output Current: Up to 600mA

1.25V Lowest Output Voltage

Efficiency: up to 96%

The AS1341 is a high-efficiency step-down converter

with adjustable output voltages from 1.25V to VIN using

supply voltages of up to 20V.

An integrated current-limited 0.4Ω MOSFET delivers

load currents up to 600mA.

The AS1341 also includes a 100% duty cycle LDO

mode with a low dropout of only 250mV for high effi-

ciency if input voltages is in the range of the output volt-

age.

Quiescent Supply Current: 12µA

Power-OK Output

The AS1341 has a low quiescent current (12µA) to

improve light-load efficiency and minimize battery use,

and draws only 0.8µA in shutdown mode.

Internal 0.4Ω P-Channel MOSFET

Shutdown Current: 0.8µA

High switching frequencies (up to 200kHz) allow the use

of small surface-mount inductors and output capacitors.

The device is available in a TDFN-8 3x3mm pin pack-

age.

100% Maximum Duty Cycle for Low Dropout

Current-Limited Architecture

Thermal Shutdown

TDFN-8 3x3mm Package

3 Applications

The device is ideal for notebook computers, distributed

power systems, keep-alive supplies, and any other bat-

tery-operated, portable device.

Figure 1. Typical Application

4.5 to 20V

CIN

GND

POK

OUT

SHDNN

ILIMIT

COUT

AS1341

SHDNN

AS1341

OUT

ILIMIT

RPULL

POK

Indicates High-Power Trace

GND

www.austriamicrosystems.com

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