Datasheet > UR6223

UR6223

更新时间： 2023-12-06 19:52:29

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
8页	317K
描述
built-in inrush current protection，300ma ...

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UR6223 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UR6223

CMOS IC

BUILT-IN INRUSH CURRENT

PROTECTION，300mA HIGH

SPEED LDO VOLTAGE

REGULATOR



DESCRIPTION

The UR6223 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 V_OUTpin quickly returns to the

V_SSlevel. The output stabilization capacitor C_Lis 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

*Camera modules

*IC recorders

*Bluetooth

*Wireless LAN

*Cell phone



FEATURES

* Maximum Output Current : 300mA

* Stand-by Current: 0.1µA (Typ.)

* Low Dropout Voltage: 0.2V (Typ.) (I_OUT= 300mA)

* Excellent Line Regulation: 0.01%/V (Typ.)

* High Ripple Rejection (Typ.) (f = 1kHz)

70dB @ V_OUT(T)< 2.5V

65dB @ V_OUT(T)≥ 2.5V

* Output Voltages: 2.0~4.0V(Accuracy ± 1%)

1.2~1.95V(Accuracy ± 20mV)

0.05V increments

www.unisonic.com.tw

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