Preliminary

February 07, 2003 Ver. 2

µA

Applications

Maximum Output Current

: 150mA

Mobile phones, Cordless phones

Highly Accurate

:

± 2% (± 30mV less than 1.5V)

Wireless communication equipment

Output Voltage Range

: 0.9V ~ 1.75V (50mV Step)

Portable games

High Ripple Rejection

: 60dB

Cameras, Video recorders

Low Noise

: 30

µVrms

Portable AV equipment

Low ESR capacitor compatible

Reference voltage

Battery powered equipment

General Description

Features

Maximum Output Current

: 150mA

Maximum Operating Voltage

: 2.0V ~ 10V

Output Voltage Range

: 0.9V~1.75V(50mV Step)

Highly Accurate

:

:

Low Power Consumption

: TYP 70

µA

Standby Current

: Less than 0.1

µA (TYP)

Low Noise

: 30

µVrms (TYP)

High Ripple Rejection

: 60dB (10kHz)

Operating Temperature Range

Low ESR Capacitor Compatible

: Ceramic capacitor

Ultra Small Packages

: SOT-25 (SOT-23-5)

SOT-89-5

USP-6B

Typical Application

Electrical Characteristics

Load Transient Response

1

XC6205 Series

High Speed LDO Regulators

Low ESR Cap. Compatible, Output On/Off Control

Output Current

Output Voltage

The XC6205 series are highly precise, low noise, positive

voltage LDO regulators manufactured using CMOS processes.

The series achieves high ripple rejection and low dropout and

consists of a voltage reference, an error amplifier, a current

limiter and a phase compensation circuit plus a driver transistor.

Output voltage is selectable in 50mV increments within a range

of 0.9V ~ 1.75V.

The series 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 series.

The current limiter's foldback circuit also operates as a short

protect for the output current limiter and the output pin.

The CE function enables the output to be turned off, resulting in

greatly reduced power consumption.

NC

CE

CL

2.2

µF

CIN

1

µF

VIN=2V, tr=tf=5

µsec

CIN=1

µF(ceramic), CL=4.7µF(ceramic)

250

1.00

Time (40

µsec/div)

XC6205B092

0.95

0.90

0.85

0.80

0.75

200

150

100

50

0

50mA

1mA