Datasheet > LR4XXYY

LR4XXYY

更新时间： 2023-12-06 20:08:33

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描述
Dual，Low-Noise，200mA LDO REGULATOR

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LR4XXYY 数据手册

LR4XXYY

Preliminary

CMOS IC



ABSOLUTE MAXIMUM RATINGS (Note 1)

PARAMETER

SYMBOL

V_IN

RATINGS

2.5 ~ 5.5

-0.3 ~ +6.5

0 ~ 5.5

UNIT

Supply Input Voltage(Operating)

Supply Input Voltage(Survival)

Enable Input Voltage

V_EN

Lead Temperature (Soldering, 10 sec.)

ESD Rating (Note 2)

+260

°C

Junction Temperature

T_J

-40 ~ +125

-65 ~ +150

-40 ~ +85

Storage Temperature Range

Operation Temperature Range

T_STG

T_OPR



ELECTRICAL CHARACTERISTICS

(V_IN= V_OUT+0.5V or 2.5V, C_IN= C_OUT= 2.2μF, EN1=EN2=V_IN, T_A= 25°C, for each LDO unless otherwise specified)

PARAMETER

Output Voltage Accuracy

(Load Regulation)

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

∆V_OUT

I_OUT=1mA to 200mA

-2

Maximum Output Current

Current Limit

I_MAX

I_LIM

Continous

200

500

μA

R_LOAD=1ꢀ

1000

260

No Load

165

Quiescent Current

Dropout Voltage(Note3)

Line Regulation

I_G

I_OUT=100mA(Both LDOs)

260

μA

_OUT＝1mA

_OUT＝100mA

_OUT＝200mA

V_DROP

120

255

V_IN=(Vout+0.5V or 2.5V) to 5.5V

_OUT=1mA

∆V_LINE

-0.2

1.6

+0.2

%/V

V_IN＝2.5V to 5.5V

EN=GND or V_IN

En Input High Threshold

En Input Low Threshold

V_IH

V_IL

0.4

100

En Input Bias Current

I_SD

μA

°C

EN1＝EN2＝GND

Shutdown Supply Current

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

I_GSD

T_SD

∆T_SD

0.01

140

10~100kHz，C_OUT=4.7μF，

I_LOAD=1mA

100Hz，C_OUT＝4.7μF

Output Voltage Noise

e_NO

124

μV_RMS

Output Voltage AC PSRR

PSRR

_LOAD＝100mA

Notes：1. Limits beyond which damage to the device may occur is indicated by absolute maximum ratings.

Conditions for which the device is intended to be functional is indicated by operating ratings, but specific

performance` limits isn’t be guaranteed. Only for the test conditions listed the guaranteed specifications

can be applied. When the device is not operated under the listed test conditions some performance

characteristics may degrade.

2. Which discharged through a 1.5kΩ resistor into each pin is a 100pF capacitor in the human body model.

3. The dropout voltage is defined as V_IN-V_OUT, which is measured when V_OUTis V_OUT(NORMAL)− 100mV.

UNISONIC TECHNOLOGIES CO., LTD

4 of 7

QW-R502-A39.b

www.unisonic.com.tw

1 2 345 6 7

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