ACE519C datasheet(1/9 Pages) ACE

Il numero della parte	ACE519C

Spiegazioni elettronici	500mA High PSRR, Linear Regulator

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Produttore elettronici	ACE [ACE Technology Co., LTD.]

Homepage	http://www.ace-ele.com

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ACE519C

500mA High PSRR, Linear Regulator

VER 1.2

1

Description

ACE519C series are a group of positive voltage output, low power consumption, low dropout voltage

regulators. It can provide foldback short-circuit protection and output current limit function.

ACE519C can provide output value in the range of 1.0V~4.5V every 0.1V step. It also can be customized

on command. ACE519C can also work under a wide input voltage ranging from 2V to 7V.

ACE519C includes high accuracy voltage reference, error amplifier, current limit circuit and output driver

module.

ACE519C has excellent load and line transient response and good temperature characteristics, which

can assure the stability of chip and power system. And it uses trimming technique to guarantee output

voltage accuracy within ±2%.

Features

• Input voltage range: 2~7V

• Output voltage range: 1.0V~4.5V (customized on command every 0.1V step)

• Low power consumption: 35uA (Typ.)

• Low output noise (47uVRMS)

• Shutdown mode: 0.1uA

• Low dropout voltage:

300mV@300mA (Typ.)

500mV@500mA (Typ.)

• High ripple rejection:70dB@1KHz (Typ.)

• Low temperature coefficient: ±100ppm/°C

• Excellent line regulation: 0.05%/V

• Build-in chip enable circuit

• Highly accurate: ±2%

• Output current limit 700mA@V

OUT=3.3V

• Fold-back short circuit current 250mA@ V

OUT=3.3V

Application

• Power source for cellular phones and various kind of PCSs

• Battery Powered equipment

• Power Management of MP3, PDA, DSC, Mouse, PS2 Games

• Voltage Reference

• Regulation after Switching Power

Typical Performance Characteristic:

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