XC6223 データシートの表示（PDF） - TOREX SEMICONDUCTOR

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XC6223

Built-in Inrush Current Protection, 300mA High Speed LDO Voltage Regulator

TOREX SEMICONDUCTOR 

XC6223 Series

ETR0339-005

Built-in Inrush Current Protection, 300mA High Speed LDO Voltage Regulator

■GENERAL DESCRIPTION

The XC6223 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, a

phase compensation circuit, a thermal shutdown circuit and an inrush current protection circuit.

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 output stabilization capacitor CL is also compatible with low ESR ceramic capacitors.

The output voltage is selectable in 0.05V increments within the range of 1.2V to 4.0V which fixed by laser trimming

technologies. The over current protection circuit and the thermal shutdown circuit are built-in. These two protection circuits

will operate when the output current reaches current limit level or the junction temperature reaches temperature limit level.

■APPLICATIONS

●Digital still cameras

●Cell phones

●Portable games

●Camera modules

●IC recorders

●Portable media players

●Bluetooth

●Wireless LAN

●Terrestrial digital TV tuners

●Cordless phones

■FEATURES

Maximum Output Current

Input Voltage Range

Output Voltages

Dropout Voltage

Low Power Consumption

Stand-by Current

High Ripple Rejection

Protection Circuits

Low ESR Capacitors

CE Function

Small Packages

Environmentally Friendly

: 300mA

: 1.6～5.5V

: 2.0～4.0V （Accuracy ±1%）

1.2～1.95V （Accuracy ±20mV）

0.05V increments

: 200mV＠IOUT=300mA (VOUT=3.0V)

: 100μA

: 0.1μA

: 80dB＠f=1kHz

: Current Limit（400mA）

Short Circuit Protection

Over Heat Protection

Inrush Current Protection

: CIN =1.0μF, CL=1.0μF

: Active High

CL High Speed Discharge

: USPQ-4B03

USP-4

SSOT-24

SOT-25

SOT-89-5

: EU RoHS Compliant, Pb Free

■TYPICAL APPLICATION CIRCUIT

■ TYPICAL PERFORMANCE

CHARACTERISTICS

2.60

XC6223x251

tr = tf = 0.5μs, Ta = 25℃, IOUT = 1⇔150mA

VIN = 3.5V, CIN = 1μF (ceramic), CL = 1μF (ceramic)

400

2.55

350

2.50

300

Output Voltage

2.45

250

2.40

200

2.35

150

2.30

Output Current

100

2.25

50

2.20

0

Time [20μs/div]

1/36

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