Datasheet > RAA214250

RAA214250

更新时间： 2024-11-30 14:57:59

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
35页	1502K
描述
20V, 500mA Linear Regulator

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RAA214250 数据手册

Datasheet

RAA214250

500mA 20V Wide Input Voltage Range LDO Linear Regulator

The RAA214250 is a low-dropout linear voltage

Features

▪ Wide input voltage range: 2.5V to 20V

regulator that operates from 2.5V to 20V and provide

up to 500mA of output current with a typical dropout

of 269mV. The output voltage is adjustable with

external feedback resistors anywhere from 1.224V to

18V.

▪ Maximum output current: 500mA

▪ Low dropout voltage: 269mV typical at 500mA

▪ Low ground current

▪ Output voltage adjustable: 1.224V to 18V

▪ Excellent line and load regulation

The ground current is typically 68μA at no-load and

drops to 2.4μA typical when in shutdown making it

great for battery powered and USB devices.

▪ Stable with 1µF - 200µF MLCC output capacitor

▪ Short-circuit current limit with foldback

▪ Over-temperature shutdown protection

▪ 8 Ld DFN (3mm×3mm) and SOIC package

The LDO features excellent line and load regulation,

input UVLO with hysteresis, enable control,

short-circuit current limit with foldback, and

over-temperature shutdown protection with

hysteresis.

Applications

▪ Battery-powered equipment

The LDO is stable with a minimum 2.2μF MLCC

output capacitor and is available in 8 Ld 3mm×3mm

DFN or a 8 Ld SOIC package.

▪ MCU power supply

▪ Electric meters

▪ USB devices

▪ Laptop computers and tablets

▪ Portable modules and appliances

V_OUT3.3V,

I_{OUT( MAX)}

500mA

V_IN

2.5V – 20V

VIN

VO UT

22pF

(optional)

97.6kΩ

57.6kΩ

VIN

VO UT

ADJ

1µF

2.2µF

(optional)

GND

RAA214250

Figure 1. Typical Application Circuit

R16DS0193EU0103 Rev.1.03

Aug 17, 2023

Page 1

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