供应TPS74501PQWDRVRQ1 原装 低压差稳压器

TPS74501PQWDRVRQ1  原装 低压差稳压器

IC REG LIN POS ADJ 500MA 6WSON

Automotive 500-mA, low-IQ, high-PSRR, low-dropout (LDO) voltage regulator with power good

TPS74501PQWDRVRQ1  原装 低压差稳压器 的技术参数：

TPS74501PQWDRVRQ1  原装 低压差稳压器 的描述：

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 WSON package and a small 8-pin, 3-mm × 3-mm VSON 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.

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.

TPS74501PQWDRVRQ1  原装 低压差稳压器 的特征：

AEC-Q100 qualified for automotive applications:

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

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

Package:

2-mm × 2-mm wettable flank WSON

3-mm × 3-mm wettable flank VSON

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:

Open-drain and push-pull

Ultra-low dropout:

160 mV (max) at 500 mA (3.3 VOUT)

Stable with a 1-μF or larger capacitor

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

Active output discharge

Functional Safety-Capable

Documentation available to aid functional safety system design

Low thermal resistance:

DRV (6-pin WSON), RθJA = 80.3°C/W

DRB (8-pin VSON), RθJA = 55.5°C/W

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