Rev1.0

Preliminary and all contents are subject to change without prior notice.

© Seaward Electronics, Inc., • www.seawardinc.com.cn • Page

2

9/4/2012

500mA Low Noise CMOS LDO Regulator

Pin Configuration

Pin name

Description

Vout

Regulated output voltage. Bypass to ground with Cout ≧1.0uF

Adj

Adjustable pin;

reference voltage=1.25V

GND

Power Supply Ground

FB

Feedback pin

EN

Shutdown pin. When not in use, this pin should be connected to the input pin.

Vin

Power supply Input Voltage

NC

Not Connected

Absolute Maximum Rating

Parameter

Symbol

Maximum

Units

Input Voltage

18

V

Operating Junction Temperature Range

-40 to +125

°C

Thermal Resistance

θ

JA

45(SOT23-5)

150(SOP8)

°C/W

Lead Temperature (Soldering) 10 seconds

260

°C

Storage Temperature

-65 to +150

°C

ESD (HBM) Susceptibility

2

KV