UM3730DA-13 datasheet(5/11 Pages) UNIONSEMI

Part #	UM3730DA-13

Description	150mA, Micropower, Low Dropout Linear Regulator

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Manufacturer	UNIONSEMI [Union Semiconductor, Inc.]

Direct Link	http://www.union-ic.com

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5 / 11 page

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http://www.union-ic.com Rev.01 Apr.2014

5/11

UM3730

Electrical Characteristics

VIN=VEN=VOUT+1V, CIN=COUT=1μF, TA=25℃.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VIN

Input Voltage

Range

2.5

5.5

V

VOUT

Output Voltage

Range

1.0

3.3

V

IQ

Operating

Quiescent Current

IOUT=0mA

29

39

μA

IEN

Enable Input

Current

VEN=VIN or GND

1

μA

IOUT

Output Current

150

mA

Output Voltage

Accuracy

IOUT=150mA

-2.0

+2.0

%

ΔV

DO

Dropout Voltage

IOUT=50mA,VOUT≥2.8V

55

110

mV

IOUT=150mA,VOUT≥2.8V

155

310

mV

IOUT=50mA,VOUT <2.8V

60

135

mV

IOUT=150mA, VOUT <2.8V

180

380

mV

ILIMT

Output Current

Limit

VOUT =0V

200

325

500

mA

t

Startup Time

Response

IOUT=150mA, COUT=1μF

30

μs

VIL

Enable Input Low

Voltage

VIN=2.5V to5.5V

0.4

V

VIH

Enable Input High

Voltage

VIN=2.5V to5.5V

1.2

V

Output Voltage TC

100

ppm/℃

TSHDN

Thermal-Shutdown

Temperature

160

℃

ΔT

SHDN

Thermal-Shutdown

Hysteresis

20

℃

LNR

Line Regulation

VOUT+1V≤VIN≤5.5V

(VIN≥2.5V)

IOUT=10mA

0.1

0.3

%/V

LDR

Load Regulation

VIN=VOUT+1V (VIN≥2.5V)

1mA≤IOUT≤150mA

0.8

1.5

%

Output Voltage

Noise

VOUT=1.8V,

10Hz to 100kHz

CIN=1μF, IOUT=100mA

220

μV

RMS

PSRR

Power Supply

Ripple Rejection

VIN=VOUT+1V

(VIN≥2.5V)

IOUT=100mA

F=1kHz

45

dB

F=10kHz

30

Auto-Discharge

Resistance

VIN=3.6V,

VEN=0V

10

Ω

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