Datasheet > AS1330_12

AS1330_12

更新时间： 2022-05-07 13:29:42

品牌	Logo	应用领域
艾迈斯 - AMSCO		/
页数	文件大小	规格书
18页	1660K
描述
4MHz, Low Vol tage, DC-DC Step-Up Conver ter

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Datasheet

AS1330

4MHz, Low Voltage, DC-DC Step-Up Converter

1 General Description

2 Key Features

ꢀ

Input Voltage Range: 0.6V to 3.0V

Adjustable Output Voltage Range: 1.8V to 3.3V

Fixed Output Voltage: 1.8V, 3.0V

0.85V Low StartꢀUp Voltage

The AS1330 is a synchronous, low voltage, high efficiency DCꢀDC

boost converter running at a constant frequency of 4MHz. This very

high oscillator frequency allows the usage of a very a small and low

profile inductor with only 470nH. This results in a board space

requirement of only 43mm² for the complete solutions including all

external components.

AS1330 generates an output voltage between 1.8 and 3.3V from

input voltages down to 0.6V. Therefore it is ideal for application

of 150mA @ 3.3V from a single cell.

To support high efficiency across the entire load range

the AS1330 is equipped with a synchronous rectifier and

features a power save mode for light loads.

To avoid harmful deep discharge of the battery during shutdown the

AS1330 is equipped with an output disconnect function.

AS1330 can either monitor the battery voltage (Sense pin) or report

the status of the output voltage (POK).

4MHz FixedꢀFrequency

91% Efficiency

Delivers 150mA @ 3.3V (from Single AA Cell)

Automatic Powersave Operation for light Loads

Output Disconnect during Shutdown

AntiꢀRinging Control minimizes EMI

Power Okay and Sense pin

TDFN (2x2mm) 8ꢀpin Package

The AS1330 is available in a TDFN (2x2mm) 8ꢀpin package.

3 Applications

The AS1330 is ideal for space critical applications where ultraꢀsmall

size is critical as in medical diagnostic equipment, handꢀheld

instruments, digital cameras, MP3 players, GPS receivers, and PC

or Memory cards.

Figure 1. AS1330 ꢀ Typical Application Diagram

V^OUT

1.8V

AA Battery

VIN

VOUT

AS1330-1.8

POK

Off

GND

SENSE

www.austriamicrosystems.com/DCꢀDC_StepꢀUp/AS1330

Revision 1.06

1 ꢀ 17

123 4 5 6 7...18

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