Datasheet > TLE4473G V55-2

TLE4473G V55-2

更新时间： 2024-11-24 15:19:27

品牌	Logo	应用领域
英飞凌 - INFINEON		稳压器
页数	文件大小	规格书
17页	349K
描述
TLE4473 是一款单片集成电压稳压器，具有两个低压差输出端、一个主输出端 Q1 用于可达 300 mA 的负载，以及一个提供最大 190 mA 的备用输出端 Q2。该备用稳压器将在 5.6 V

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TLE4473G V55-2 数据手册

Dual Low Dropout Voltage Regulator

TLE 4473 GV55-2

Features

• Stand-by output 190 mA; 5 V ± 2%

• Main output: 300 mA, 5 V

tracked to the stand-by output

• Low quiescent current consumption

• Disable function separately for both outputs

• Wide operation range: up to 42 V

• Very low dropout voltage

PG-DSO-12-11

• 2 independent reset circuits

• Watchdog

• Output protected against short circuit

• Wide temperature range: -40 °C to 150 °C

• Overtemperature protection

• Overload protection

• Green product (RoHS compliant)

• AEC qualified

Functional Description

The TLE 4473 is a monolithic integrated voltage regulator with two low dropout outputs,

a main output Q1 for loads up to 300 mA and a stand by output Q2 providing a maximum

of 190 mA. The stand-by regulator transforms an input voltage V_Iin the range of 5.6 V ≤

V_I≤ 42 V to an output voltage of V_Q2= 5.0 V (±2%). The main output is tracked to the

stand by output voltage and provides also 5 V. A versions of this device with 5 V/3.3 V

and 5 V/2.6 V are also available, please refer to the data sheet TLE 4473 G V53/

TLE 4473 G V52. The Inhibit input INH1 disables the output Q1 only, whereas Inhibit

input INH2 disables both, Q1 and Q2 output. The quiescent current then is 1 µA.

The TLE 4473 is designed to supply microprocessor systems and sensors under the

severe conditions of automotive applications and therefore is equipped with additional

protection functions against overload, short circuit and overtemperature. The device

operates in the wide junction temperature range of -40 °C to 150 °C.

Type

Package

Marking

TLE 4473 GV55-2

PG-DSO-12-11 (RoHS compliant)

TLE4473 GV55-2

Data Sheet

Rev. 1.2, 2008-10-28

12 3 4 5 6 7...17

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