Datasheet > L1117-3.3

L1117-3.3

更新时间： 2024-02-22 17:56:27

品牌	Logo	应用领域
其他 - ETC		稳压器
页数	文件大小	规格书
10页	101K
描述
1A Fixed and Adjustable Low Dropout Linear Regulator (LDO)

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L1117-3.3 数据手册

L1117 Series

SOT-223, TO-252,

TO-220,TO-263

1A Fixed and Adjustable Low

Dropout Linear Regulator (LDO)

NIKO-SEM

GENERAL DESCRIPTION

FEATURES

The L1117 Series are positive and low drop-

out three-terminal voltage regulators with

1A output current capability. These devices

are designed for use in low voltage applica-

tions that offers lower dropout voltage and

faster transient response.

Fixed 2.5V, 2.85V, 3.3V, 5V or adjustable

output voltage

Low dropout voltage:

1.2V typical at up to 1A

Low ground current

Fast transient response

Current & thermal limiting

Line regulation: 0.5% typical

Load regulation: 0.5% typical

SOT-223,TO-220,TO-252,TO-263

package

These devices are fully protected against

over current faults, over temperature oper-

ation, reversed input polarity, reversed lead

insertion, transient voltage spike …etc.

On-Chips trimming the reference voltage to

2% and features the low dropout of maxi-

mum 1.45 volts.

APPLICATIONS

2.85V active SCSI terminators

8-15V to 5V linear regulators

5V to 2.5V or 3.3V linear regulators

Low voltage micro-controllers

Battery Chargers

The L1117 Series regulators offer fixed and

adjustable voltage options available in the

popular industry standard SOT-223, TO-220,

TO-252 and TO-263 packages.

Motherboard clock supplies

Post regulator for switching supplies

Micro-controllers

ABSOLUTE MAXIMUM RATINGS

Operating Junction

Maximum Supply Voltage

15V*

0 to 125 °C

Temperature Range

Storage Temperature

Range

Lead Temperature

(Soldering, 10 Seconds)

Internally

Limited

Power Dissipation

-40 to 150 °C

260 °C

Thermal Resistance

16 °C/W

Junction to Case,

θ_JC

Thermal Resistance

Junction to Ambient,

SOT-223

θ_JA

158 °C/W

70 °C/W

50 °C/W

60 °C/W

TO-252

TO-220

TO-263

* When considering short circuits to ground, the maximum input-to-output differential voltage shall not be allowed

greater than approximate 2~3V at values of supply voltage in excess of 10V, continuous short-circuits can exceed

the power dissipation ratings and cause eventual destruction.

JUL-27-2001

12 3 4 5 6 7...10

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