Datasheet > TJ1052

TJ1052

更新时间： 2024-09-17 12:30:27

品牌	Logo	应用领域
韩国泰进 - HTC		控制器
页数	文件大小	规格书
4页	181K
描述
CONSTANT VOLTAGE & CONSTANT CURRENT CONTROLLER

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中文翻译

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数据手册

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TJ1052 数据手册

CONSTANT VOLTAGE & CONSTANT CURRENT CONTROLLER TJ1052

FEATURES

z Constant Voltage and Constant Current Control

z Low Voltage Operation

z Precision Internal Component Count

SOT-23 6L

z Current Sink Output Stage

z Easy Compensation

z Low AC Mains Voltage Rejection

z Moisture Sensitivity Level 3

APPLICATION

z Battery Chargers

z Adapters

ORDERING INFORMATION

Device

Package

TJ1052SF6

TJ1052GSF6

SOT-23 6L

DESCRIPTION

TJ1052 is a highly integrated solution for SMPS applications requiring constant voltage and constant current

mode. TJ1052 integrates one voltage reference, two operational amplifiers (with one output - common

collectors), and a current sensing circuit. The voltage reference combined with one operational amplifier makes

it an ideal voltage controller, and the other low voltage reference combined with the other operational amplifier

makes it an ideal current limiter for output low side current sensing. The current threshold is fixed and precise.

The only external components are :

z A resistor bridge to be connected to the output of the power supply (adaptor, battery charger) to set the

voltage regulation by dividing the desired output voltage to match the internal voltage reference value.

z A sense resistor having a value and allowable dissipation power which need to be chosen according to the

internal voltage threshold.

TJ1052 is ideal for space shrunk applications such as adapters and battery chargers.

Absolute Maximum Ratings

(T_A= 25℃, unless otherwise specified)

CHARACTERISTIC

SYMBOL

V_CC

MIN.

MAX.

UNIT

DC Supply Voltage

Input Voltage

-0.3

V_IN

V_CC

Operating Free Air Temperature Range

Maximum Junction Temperature

T_OPR

T_J

℃

150

℃

Operating Conditions (T_A=25℃)

CHARACTERISTIC

SYMBOL

V_CC

MIN.

2.5

MAX.

UNIT

DC Supply Voltage

Jul. 2010 – Preliminary

- 1 -

HTC

12 3 4

中文翻译

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