1/23

XC6221x182

1.3

1.4

1.5

1.6

1.7

1.8

1.9

Time (500us/div)

0

50

100

150

200

250

300

Output Voltage

Output Current

■APPLICATIONS

●Cellular phones

●Cordless phones

●Wireless communication equipment

●Portable games

●Cameras, VCRs

●Portable AV equipment

●PDAs

■TYPICAL APPLICATION CIRCUIT

■FEATURES

Output Current

: 200mA <Up to 250mA (TYP.)>

Dropout Voltage

Operating Voltage Range

: 1.6V ~ 6.0V

: 0.8V~4.0V (50mV increments)

Output Voltage

Setting Range Accuracy

Low Power Consumption

Stand-by Current

(+1% Possible)

(+20mV Possible)

: 25μA (TYP.)

: Less than 0.1μA

High Ripple Rejection

: 70dB @ 1kHz

Operating Temperature

Range

: -40℃~85℃

Low ESR Capacitor

: 1.0μF ceramic capacitor

compatible

CMOS

CL High-Speed Auto-Discharge (XC6221B)

Low Output Noise

Ultra Small Packages

: USP-4, SOT-25, SSOT-24

■ TYPICAL PERFORMANCE

CHARACTERISTICS

●Load Transient Response

■GENERAL DESCRIPTION

The XC6221 series are precise, low noise, high speed, low dropout regulators. They are fabricated using Torex’s CMOS

process. Performance features of the series include high ripple rejection and low dropout voltage, and the series include a

reference voltage source, an error amplifier, a current limiter, and a phase compensation circuit.

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

ESR ceramic capacitors.

Output voltage is selectable in 50mV increments within a range of 0.8V~4.0V, using laser trimming technologies.

The current limiter's foldback circuit also operates as a short circuit protection for the output current limiter and the output

pin. The series achieves a great response with only 25μA of low power consumption. Also the series has low dropout

With the use of ultra small package, USP-4 package, a small footprint circuit can be designed.

ETR0328_004