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H1117EADJ

1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR

Hi-Sincerity Mocroelectronics 

HI-SINCERITY

MICROELECTRONICS CORP.

Spec. No. : Preliminary Data

Issued Date : 1998.07.15

Revised Date : 1999.08.01

Page No. : 1/4

H1117E Series

1A LOW DROPOUT POSITIVE VOLTAGE REGULATOR

Features

• Low Dropout Voltage 1.2V at 1A

• Adjustable or Fixed Voltage

• Maximum Line Regulation 0.45%

• Maximum Load Regulation 0.4%

• Adjust Pin Current Less Than 90 uA

• Over Current Protection

• Thermal Protection

Applications

• High Efficiency Linear Regulators

• 5V to 3.3V Voltage Converter

• Battery Charger

General Description

The H1117E is a 1A low-dropout positive voltage regulator. It is available in fixed and adjustable output voltage

versions. Over current and thermal protection are integrated onto the chip. Output current will decrease while it

reaches the pre-set current or temperature limit. The dropout voltage is specified at 1.2V Maximum at full rated

output current. H1117E Series provides excellent regulation over variations due to changes in line, load and

temperature. H1117E is three terminal regulator and available in popular packages.

Device Selection Guide

Device

H1117E(Adj)

H1117-3.3E

Output Voltage

1.3V to 4V

3.3

Package

TO-220AB

Absolute Maximum Ratings

Parameter

Input Voltage

Power Dissipation

Thermal Resistance Junction To Case TO-220AB

Thermal Resistance Junction To Ambient TO-220AB

Operating Junction Temperature Range

Storage Temperature Range

Lead Temperature (Soldering) 10 Sec

Typical Application

Symbol

VIN

PD

θJC

θJA

Tj

TSTG

TLEAD

Maximum

20

Internally Limited

3

50

0 To 125

-65 To 150

260

Units

V

W

°C/W

°C/W

°C

°C

°C

H1117E

+

4.75V

to 20V

DC

10uF

TAN

GND

10uF

TAN

Input Range Depends On VO

Please Refer To Electrical Characteristics.

Load

HSMC Product Specification

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