EC49513A datasheet(1/24 Pages) E-CMOS

Part #	EC49513A

Description	300mA Linear Regulator with Enable And Fast Discharge Function

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Manufacturer	E-CMOS [E-CMOS Corporation]

Direct Link	http://www.ecmos.com.tw/

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EC49513A/L

300mA Linear Regulator with Enable

And Fast Discharge Function

E-CMOS Corp. (www.ecmos.com.tw)

Page 1 of 24

2010/10/29

Description

The EC49513A/L is a 4-Low (Low dropout,

Low quiescent Current, Low noise, Low cost)

linear regulator with ON/OFF control and

EC49513L can discharge output capacitor charge

fast. The device operates in the input voltage

range from +2.2V to +7.0V and delivers 300mA

output current.

The high accuracy output voltage is preset at an

internally trimmed voltage 1.2V, 1.5V, 1.8V, 2.5V,

2.8V, 3.0V or 3.3V. Other output voltages can be

mask optioned from 1.2V to 5.0V with 100mV

increment, except the EC49513A/L-285 which

has 2.85V output voltage.

The EC49513A/L consists of a 1.0V

reference compares amplifier, a P-channel pass

transistor, and an enable/disable logic circuit.

Other features include soft start function, short

circuit

protection,

and

thermal

shutdown

protection.

The EC49513A/L is also compatible with

low ESR ceramic capacitors which give added

output stability. This stability can be maintained

even during load fluctuations due to the excellent

transient response of the chip. The EC49513A/L

devices are available in SOT23-5L、UFN-6 and

TSOT23-5 packages.

Features

EC49513A/L Without / With Fast Discharge

Operating Voltage Range：+2.2V to +7.0V

Output Voltages：+1.2V to +5.0V with 100mV

Maximum Output Current：300 mA

Dropout Voltage：120mV @ 100mA

Low Current Consumption 15μA (Typ.)

Shutdown Current：0.1μA (Typ.)

±2% Output Voltage Accuracy (special ±1% highly

accurate)

Low ESR Capacitor Compatible

High Ripple Rejection：70 dB

Output Current Limit Protection (450mA)

Short Circuit Protection (150mA)

Thermal Overload Shutdown Protection

Control Output ON/OFF Function

SOT23-5L、UFN-6 and TSOT23-5 packages.

Green (Halogen Free With Commercial Standard)

Application

Battery-Powered Devices.

Personal Communication Devices.

Mobile Phones, Cordless Phone.

Portable Games.

Portable AV equipment.

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