AS1345 datasheet(1/29 Pages) AMSCO

부품명	AS1345

상세설명	18V, High Efficiency, DC-DC Step-Up Converter

PDF	29 Pages

Scroll/Zoom	100%

제조업체	AMSCO [ams AG]

홈페이지	http://www.ams.com

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1 / 29 page

ams Datasheet, Confidential: 2013-Nov [1-51]

AS1345 – 1

AS1345

18V, High Efficiency, DC-DC Step-Up

Converter

The AS1345 high efficiency DC-DC step-up converter contains

an internal N-channel and an internal P-channel output

isolation switch.

The device operates from a 2.9V to 5.0V supply and can boost

voltages up to 18V.

A hysteretic control scheme is used to provide the highest

operating efficiency over a wide range of input and output load

conditions. The internal MOSFET switches reduce the external

component count and a high switching frequency allows the

use of tiny surface mount components.

The AS1345 employ a factory set current limit to reduce ripple

and external component size in low output current

applications. With a 500mA current limit the AS1345 is capable

of providing 20mA @ 18V output.

Figure 1:

Available Products

For order related information, please refer to “Ordering &

Contact Information” on page 26.

Built-in safety features protect the internal switches and output

components from fault conditions. Additional power-saving

attributes include a very low quiescent current and a true

shutdown mode.

For further understanding in regards to the contents of the

datasheet, please refer to the Reference Guide located at the end

of the document.

Devices

Peak Coil Current

Output

AS1345A

100mA

adjustable or fixed

AS1345B

200mA

adjustable or fixed

AS1345C

350mA

adjustable or fixed

AS1345D

500mA

adjustable or fixed

General Description

유사한 부품 번호 - AS1345

제조업체	부품명	데이터시트	상세설명
ams AG	AS1340	105Kb / 2P	50V, Micropower, DC-DC Boost Converter
	AS1340	1Mb / 16P	50V, Micropower, DC-DC Boost Converter
	AS1340	414Kb / 17P	50V, Micropower, DC-DC Boost Converter
ams-OSRAM AG	AS1340	792Kb / 18P	50V, Micropower, DC-DC Boost Converter Revision 1.20
ams AG	AS1340A-BTDT-10	1Mb / 16P	50V, Micropower, DC-DC Boost Converter

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유사한 설명 - AS1345

제조업체	부품명	데이터시트	상세설명
Semtech Corporation	SC1628	121Kb / 4P	HIGH-EFFICIENCY STEP-UP DC-DC CONVERTER
Analog Intergrations Co...	AIC1620	456Kb / 12P	High Efficiency Synchronous Step-Up DC/DC Converter
Power IC Ltd.	PS1541	246Kb / 10P	High Efficiency Step Up DC/DC Converter
Holtek Semiconductor In...	HT77S10	537Kb / 16P	High Efficiency Synchronous Step-Up DC/DC Converter February 3, 2010
Silicon Standard Corp.	SS6620	640Kb / 12P	High Efficiency Synchronous Step-Up DC/DC Converter
Unisonic Technologies	UC3500	418Kb / 10P	HIGH EFFICIENCY VFMCONTROLLED STEP-UP DC/DC CONVERTER
ELM Electronics	ELM621LA	527Kb / 9P	High efficiency 30V step up DC/DC converter
ams AG	AS3677	1Mb / 106P	High-efficiency step up DC/DC converter
Guangdong Kexin Industr...	RCR2521SL	629Kb / 6P	High Efficiency, Step-up DC/DC Converter
Major-Power Technology ...	MA5201	277Kb / 2P	18V/2A High Efficiency Synchronous Step-Down DC/DC Converter Rev.1.0

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AS1345 데이터시트(PDF) 1 Page - ams AG

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