Datasheet > RTQ2527A-QA

RTQ2527A-QA

更新时间： 2024-04-09 19:02:18

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
22页	801K
描述
2A Ultra-Low Dropout Voltage LDO Regulators with Soft-Start

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RTQ2527A-QA 数据手册

RTQ2527A-QA

2A Ultra-Low Dropout Voltage LDO Regulators with Soft-

Start

2 Features

⚫ AEC-Q100 Grade 1 Qualified

1 General Description

The RTQ2527A is a very low dropout linear regulator

which operates from input voltage as low as 0.8V. The

device is capable of supplying 2A of output current with

a typical dropout voltage of only 100mV. A VBIAS

supply is required to run the internal reference and

LDO circuitry while output current comes directly from

the VIN supply for high efficiency regulation. User-

programmable soft-start limits the input inrush current

and minimizes stress on the input power. The enable

input and power good output allow easy sequencing

with external regulators. This complete flexibility

provides an easy-to-use robust power management

solution for a wide variety of applications.

⚫ Ultralow V Range: 0.8V to 5.5V

⚫ VBIAS Voltage Range: 2.7V to 5.5V

⚫ VOUT Voltage Range: 0.8V to 3.6V

⚫ Low Dropout: 100mV Typ. at 2A, V

= 5V

BIAS

⚫ 1% Accuracy Over Line/Load/ Temperature

⚫ PGOOD Indicator for Easy Sequence Control

⚫ Programmable Soft-Start Provides Linear

Voltage Startup

⚫ Stable with Any Output Capacitor  2.2F

⚫ Overcurrent and Over-Temperature Protection

3 Applications

⚫ PCs, Servers, Modems, and Set-Top-Boxes

The RTQ2527A is stable with output capacitor greater

than or equal to 2.2F. A precise reference and error

amplifier deliver 1% accuracy over load, line and

temperature. Overcurrent limit and over-temperature

protection are also included. The RTQ2527A is

available in the WDFN-10L 3x3 package.

⚫ FPGAApplications

⚫ DSP Core and I/O Voltages

⚫ Instrumentation

⚫ Post-Regulation Applications

⚫ Applications With Sequencing Requirements

The recommended junction temperature and ambient

temperature ranges are −40C to 125C.

4 Simplified Application Circuit

RTQ2527A

VIN

PGOOD

OUT

VOUT

OUT

BIAS

VBIAS

BIAS

GND

is a registered trademark of Richtek Technology Corporation.

RTQ2527A-QA_DS-00 January 2024

www.richtek.com

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