Datasheet > AS1310-BTDT-25

AS1310-BTDT-25

更新时间： 2024-02-08 02:42:31

品牌	Logo	应用领域
艾迈斯 - AMSCO		转换器升压转换器
页数	文件大小	规格书
20页	1271K
描述
Ultra Low Quiescent Current, Hysteretic DC-DC Step-Up Converter

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AS1310-BTDT-25 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	7.89	Base Number Matches：	1

AS1310-BTDT-25 数据手册

Datasheet

AS1310

Ultra Low Quiescent Current, Hysteretic DC-DC Step-Up Converter

1 General Description

The AS1310 is an ultra low IQ hysteretic step-up DC-DC converter

optimized for light loads (60mA), where it achieves efficiencies of up

to 92%.

2 Key Features

Input voltage range: 0.7V to 3.6V

Fixed output voltage range: 1.8V to 3.3V

Output current: 60mA @ VIN=0.9V, VOUT=1.8V

Quiescent current: 1µA (typ.)

AS1310 operates from a 0.7V to 3.6V supply and supports output

voltages between 1.8V and 3.3V. Besides the available AS1310

standard variants any variant with output voltages in 50mV steps are

available. See Ordering Information on page 18 for more information.

Shutdown current: < 100nA

Up to 92% efficiency

If the input voltage exceeds the output voltage the device is in a

feed-through mode and the input is directly connected to the output

voltage.

Output disconnect in shutdown

Feedthrough mode when VIN > VOUT

Adjustable low battery detection

No external diode or transistor required

Over temperature protection

In light load operation, the device enters a sleep mode when most of

the internal operating blocks are turned off in order to save power.

This mode is active approximately 50µs after a current pulse

provided that the output is in regulation.

In order to save power the AS1310 features a shutdown mode,

where it draws less than 100nA. During shutdown mode the battery

is disconnected from the output.

TDFN (2x2) 8-pin package

3 Applications

The AS1310 is an ideal solution for single and dual cell powered

devices as blood glucose meters, remote controls, hearing aids,

wireless mouse or any light-load application.

The AS1310 also offers adjustable low battery detection. If the

battery voltage decreases below the threshold defined by two

external resistors on pin LBI, the LBO output is pulled to logic low.

The AS1310 is available in a TDFN (2x2) 8-pin package.

Figure 1. AS1310 Typical Application Diagram

6.8µH

VIN

0.7V to 3.6V

Low Battery Detect

VIN

LBO

22µF

VOUT

1.8V to 3.3V

AS1310

VOUT

LBI

22µF

Off

REF

CREF

100nF

GND

www.austriamicrosystems.com/DC-DC_Step-Up/AS1310

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