Datasheet > TPS74510PQWDRBRQ1

TPS74510PQWDRBRQ1

更新时间： 2024-11-26 11:08:03

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德州仪器 - TI		/
页数	文件大小	规格书
44页	4295K
描述
Automotive 500-mA, low-IQ, high-PSRR, low-dropout (LDO) voltage regulator with power good \| DRB \| 8 \| -40 to 125

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TPS745-Q1

_{SBVS355B – JUNE 2019 – REVISED J}T_AP_NUS_A7_R4_Y5₂-Q₀₂1₁

SBVS355B – JUNE 2019 – REVISED JANUARY 2021

www.ti.com

TPS745-Q1 500-mA LDO With Power-Good in Small Wettable Flank WSON Packages

1 Features

3 Description

•

AEC-Q100 qualified for automotive applications:

– Temperature grade 1: –40°C to +125°C, T_A

Device junction temperature: –40°C to 150°C

Package:

– 2-mm × 2-mm wettable flank WSON

– 3-mm × 3-mm wettable flank WSON

Input voltage range: 1.5 V to 6.0 V

Output voltage range:

– Fixed option: 0.65 V to 5.0 V

– Adjustable option: 0.55 V to 5.5 V

High PSRR: 45 dB at 100 kHz

Output accuracy: ±0.85% (25°C), ±1.5% maximum

Power-good output options:

The TPS745-Q1 is a 500-mA ultra-low-dropout

regulator (LDO) with power-good functionality. This

device is available in a small 6-pin, 2-mm × 2-mm and

a small 8-pin, 3-mm × 3-mm WSON package with

wettable flanks to facilitate optical inspection. The

TPS745-Q1 consumes low quiescent current and

provides fast line and load transient performance.

•

The TPS745-Q1 is a flexible device for post-regulation

by supporting an input voltage range from 1.5 V to

6.0 V and an externally adjustable output range of

0.55 V to 5.5 V. The device also features fixed output

voltages for powering common voltage rails.

•

The TPS745-Q1 has a power-good (PG) output that

monitors the voltage at the feedback pin to indicate

the status of the output voltage. The EN input and PG

output can be used for sequencing multiple power

supplies in the system.

– Open-drain and push-pull

Ultra-low dropout:

•

– 160 mV (max) at 500 mA (3.3 V_OUT

Stable with a 1-µF or larger capacitor

)

•

The TPS745-Q1 is stable with small ceramic output

capacitors, allowing for a small overall solution size. A

precision band-gap and error amplifier provides high

accuracy of ±0.85% (max) at 25°C and ±1.5% (max)

over temperature. This device includes integrated

thermal shutdown, current limit, and undervoltage

lockout (UVLO) features. The TPS745-Q1 has an

internal foldback current limit that helps reduce the

thermal dissipation during short-circuit events.

Low I_Q: 25 µA (typical), 1.5 µA (shutdown)

Active output discharge

Low thermal resistance:

– DRV (6-pin WSON), R_θJA= 80.3°C/W

– DRB (8-pin WSON), R_θJA= 62.0°C/W

2 Applications

•

Automotive head units

Device Information ⁽¹⁾

Front and rear cameras

Automotive cluster displays

Telematics control units

Medium, short range radar

PART NUMBER

PACKAGE

BODY SIZE (NOM)

Wettable flank

WSON (6)

2.00 mm × 2.00 mm

TPS745-Q1

Wettable flank

WSON (8)

3.00 mm × 3.00 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

V_IN

V_OUT

V_IN

V_OUT

OUT

C_ff

R_PG*

TPS745-Q1

C_IN

C_OUT

R₁

R₂

R_PG

*Pull-up resistor not required

for push-pull option

GND

*Pull-up resistor not required

for push-pull option

Typical Application: Fixed Voltage Version

Typical Application: Adjustable Voltage Version

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Product Folder Links: TPS745-Q1

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与TPS74510PQWDRBRQ1相关器件

型号	品牌	获取价格	描述	数据表
TPS74510PQWDRVRQ1	TI	获取价格	Automotive 500-mA, low-IQ, high-PSRR, low-dro
TPS745115PQWDRBRQ1	TI	获取价格	TPS745-Q1 500-mA LDO With Power-Good in Small Wettable Flank WSON Packages
TPS74511PQWDRBRQ1	TI	获取价格	Automotive 500-mA, low-IQ, high-PSRR, low-dro
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TPS745125PQWDRBRQ1	TI	获取价格	Automotive 500-mA, low-IQ, high-PSRR, low-dro
TPS74512PQWDRBRQ1	TI	获取价格	Automotive 500-mA, low-IQ, high-PSRR, low-dro
TPS74512PQWDRVRQ1	TI	获取价格	Automotive 500-mA, low-IQ, high-PSRR, low-dro
TPS745135PQWDRBRQ1	TI	获取价格	TPS745-Q1 500-mA LDO With Power-Good in Small Wettable Flank WSON Packages
TPS74513PQWDRBRQ1	TI	获取价格	Automotive 500-mA, low-IQ, high-PSRR, low-dro
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