Datasheet > LM1117-3.3M3

LM1117-3.3M3

更新时间： 2024-11-30 01:01:43

品牌	Logo	应用领域
全宇昕 - CYSTEKEC		/
页数	文件大小	规格书
7页	372K
描述
1A Low Dropout Positive Voltage Regulator

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数据手册

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LM1117-3.3M3 数据手册

Spec. No. : C506M3

Issued Date : 2007.07.10

Revised Date :2013.06.19

Page No. : 1/7

CYStech Electronics Corp.

1A Low Dropout Positive Voltage Regulator

LM1117M3 series

Features

Description

●

Adjustable or Fixed Output

Output Current of 1A

Low Dropout, 1.4V max at 1A Output Current efficiency. All internal circuitry is designed to

Good Noise Rejection

Output Current Limiting

Built-in Thermal Shutdown

Fast Transient Response

Can operate using MLCCs in the capacitance

range of 2μF to 10μF

The LM1117 series of positive adjustable and fixed

regulators are designed to provide 1A with high

operate down to 1.4V input to output differential.

The product is specifically designed to provide well-

regulated supply for low-voltage IC application such

as high-speed bus termination and low current 3.3V

logic supply, and other applications such as VGA cards.

●

Applications

●

High Efficiency Linear Regulators

Post Regulators for Switching Supplies

Adjustable Power Supply

Typical Application Data

Fixed Voltage Regulator

TAB

VIN>4.75V

VOUT=3.3V

OUT

GND

10μF, Tan.

10μF, Tan. Min

Notes:

1)C1 needed if device is far from filter capacitors

2)C2 minimum value requir ed for stability

Adjustable Voltage Regulator

TAB

VIN>4.75V

VOUT=3.45V

OUT

ADJ

133Ω,1%

10μF, Tan.

10μF, Tan. Min

232Ω, 1%

VOUT=VREF×(1+R2/R1)+IADJ×R2

Notes:

1)C1 needed if device is far from filter capacitors

2)C2 minimum value required for stability

LM1117M3 series

CYStek Product Specification

12 3 4 5 6 7

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