XC6224 データシートの表示（PDF） - TOREX SEMICONDUCTOR

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XC6224

150mA High Speed LDO Voltage Regulator with ON/OFF Switch

TOREX SEMICONDUCTOR 

XC6224 Series

150mA High Speed LDO Voltage Regulator with ON/OFF Switch

ETR0340-004

■GENERAL DESCRIPTION

The XC6224 series is a high speed LDO regulator that features high accurate, low noise, high ripple rejection, low dropout

and low power consumption. The series consists of a voltage reference, an error amplifier, a driver transistor, a current limiter,

and a phase compensation circuit.

This IC is suitable for a local power supply placed in adjacent to the system logic LSI or others, because of low input voltage

operation, using an ultra small package USPN-4B02 (0.75mm x 0.95mm) and stable operation with a small phase

compensation capacitor (CL) 0.47μF.

Also, this IC has fast transient response and high ripple rejection (70dB @ 1kHz).

The CE function enables the circuit to be in stand-by mode by inputting low level signal. In the stand-by mode, the series

enables the electric charge at the output capacitor CL to be discharged via the internal switch, and as a result the VOUT pin

quickly returns to the VSS level.

The over current protection circuit is integrated and operates when the output current reaches current limit level.

■APPLICATIONS

●Cell phones

●Digital still cameras

●Portable electronic devices

●Portable media players

●Bluetooth

●Wireless LAN

●Terrestrial digital TV tuners

■FEATURES

Maximum Output Current : 150mA

Operating Voltage Range : 1.2V～3.6V

High Accuracy

Low Power Consumption

: ±1.5％ (VOUT =1.25V～3.0V)

: ±20mV (VOUT = 0.8V～1.20V)

: 33μA (TYP.)

Stand-by Current

: 0.1μA

High Ripple Rejection

: 70dB@1kHz

Dropout Voltage

: 210mV＠150mA (VOUT=2.8V)

Operating Temperature Range: -40℃～+85℃

Protection Circuits

: Current Limiter

Short Circuit Protection

ON/OFF Control

: Active High

Output Capacitor

CL Auto Discharge Function

: Low ESR Capacitor

Packages

: USPN-4B02

SSOT-24

SOT-25

Environmentally Friendly : EU RoHS Compliant, Pb Free

■TYPICAL APPLICATION CIRCUIT ■TYPICAL PERFORMANCE

CHARACTERISTICS

XC6224x181

IOUT = 1mA ⇔ 150mA, tr=tf=0.5μs,

VIN = 2.80V, Ta=25℃, CIN=CL=0.47μF

500

1.95

450

1.90

400

1.85

350

1.80

Output Voltage

300

1.75

250

1.70

200

1.65

Output Current

150

1.60

100

1.55

50

1.50

0

1.45

Time [10us/div]

1/26

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