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LDO線性穩(wěn)壓芯片

產(chǎn)品名稱(chēng)：RY1117B 1A 低壓差線性穩(wěn)壓器
型號(hào)： RY1117B
產(chǎn)片介紹：RY1117B is a series of low dropout three-terminal regulators with a dropout of 1 3V at 1A load current

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1.General Description

RY1117B is a series of low dropout three-terminal regulators with a dropout of 1.3V at 1A load current. RY1117B

features a very low standby current 2mA compared to 5mA of competitor.

Other than a fixed version, VOUT = 1.2V, 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, and 5V, RY1117B has an adjustable version,

which can provide an output voltage from 1.25 to 12V with only two external resistors.

RY1117B offers thermal shut down function, to assure the stability of chip and power system. It uses trimming

technique to guarantee output voltage accuracy within 2%. Other output voltage accuracy can be customized on

demand, such as 1%.

RY1117B is available in SOT-223, TO-252, SOT-89 power package.

2.Features

•Maximum output current is 1.2A

• Range of operation input voltage: Max 15V

• Line regulation: 0.03%/V (typ.)

• Standby current: 2mA (typ.)

• Load regulation: 0.2%/A (typ.)

• Environment Temperature: -40℃~85℃

3.Applications

• Power Management for Computer Mother Board, Graphic Card

• LCD Monitor and LCD TV

• DVD Decode Board

• ADSL Modem

• Post Regulators for Switching Supplies

4.Typical Application Circuit

5.Pin Description

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