1

Date:12/

18/04

SPX5205 150mA, Low Noise LDO Voltage Regulator

© Copyright 2004 Sipex Corporation

150mA, Low-Noise LDO Voltage Regulator

SPX5205

DESCRIPTION

FEATURES

■ 1% Initial Accuracy

■ Very Low Quiecent Current: 70µA

■ Low Dropout Voltage (210mV at 150mA)

■ Current and Thermal Limiting

■ Reverse-Battery Protection

■ Wide Range of Fix Output Voltages:1.2V, 1.5V,

1.8V, 2.0V, 2.5V, 2.8V, 3.0V, 3.3V and 5.0V

■ Zero Off-Mode Current

■ Small 5-Pin SOT-23

■ Pin Compatible to MIC5205/MAX8877

(fixed Options Only) and AS3815

®

The SPX5205 is a positive voltage regulator with very low dropout voltage, output noise and ground current

voltages 1.2V, 1.5V, 1.8V, 2.0V, 2.5V, 2.8V, 3.0V, 3.3V, and 5.0V and an adjustable version are available

in a small 5-pin SOT-23 package. Other key features include zero off-mode current, reverse battery

protection, thermal shutdown and current limit. The SPX5205 is an excellent choice for use in battery-

control systems, and portable computers.

APPLICATIONS

■ PDA

■ Battery Powered Systems

■ Cellular Phone

■ Cordless Telephones

■ Radio Control Systems

■ Laptop, Palmtop, and Notebook Computers

+

+

GND

EN

BYP

(Optn)

ENABLE may be tied directly to V

IN

SPX5205

1

2

3

4

5

V

IN

V

OUT

TOP View

1.0µF

TYPICAL APPLICATION CIRCUIT

54

12

3

SPX5205

5 Pin SOT-23

BYP

GND

EN

54

12

3

SPX5205

5 Pin SOT-23

ADJ/BYP

GND

EN

Fixed Output Voltage

Adjustable Output Voltage

Now Available in Lead Free Packaging

■ Portable Consumer Equipment

■ Portable Instrumentation

■ Bar Code Scanners

■ SMPS Post-Regulator