UM1330S-21 datasheet(7/14 Pages) UNIONSEMI

Part #	UM1330S-21

Description	150mA, Low Noise, Low Dropout Regulator

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Manufacturer	UNIONSEMI [Union Semiconductor, Inc.]

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

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7 / 14 page

________________________________________________________________________

http://www.union-ic.com Rev.02 Nov.2014

7/14

UM1330

Electrical Characteristics

VEN = VIN = VOUT + 1V; IL =100μA; CL = 1.0μF; CBYP = 0.01μF per output; TA = 25°C, unless

noted.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VIN

Input Voltage

2.7

5.5

V

UVLO

Under Voltage Lock

1.4

2.5

V

VOUT

Output Voltage

1.5

3.3

V

IOUT

Output Current

150

mA

ISHDN

Shutdown Current

VEN<0.2V

0.2

1

μA

Ground Pin Current

VIN=4.3V, IOUT=0mA

88

103

μA

VIN=4.3V, IOUT=150mA

230

320

ΔV

DO

Dropout Voltage

IOUT=50mA

55

mV

IOUT=150mA

170

220

ILIMT

Output Current Limit

VOUT =0V

200

250

350

mA

Output Voltage

Accuracy

IOUT=100μA, TA=25℃

-2.0

+2.0

%

IOUT=100μA,

–40°C< T

A <+85°

C

-3.0

+3.0

LNR

Line Regulation

VIN= VOUT+1V to 5.5V

0.05

0.4

%/V

LDR

Load Regulation

IOUT=0.1mA to 150mA

0.2

1

%

Output Voltage

Noise

COUT=1.0μF,CBYP=0.1μF,

f=10Hz to 100kHz

56

μV

RMS

PSRR

Power Supply Ripple

Rejection

CBYP=0.1μF,

ILOAD=50mA

f=100Hz

67

dB

f=1kHz

58

f=10kHz

37

Enable Input

VIL

Enable Input Voltage

Logic Low

VIN=2.7V to 5.5V,

regulator shutdown

0.2

V

VIH

Enable Input Voltage

Logic High

VIN=2.7V to 5.5V,

regulator enabled

1.4

IEN

Enable Input Current

VIL<0.4V,

regulator shutdown

0.01

1

μA

VIH>1.6V,

regulator enabled

0.01

1

Thermal Shutdown

TSHDN

Thermal Shutdown

Temperature

155

°C

ΔT

SHDN

Thermal-Shutdown

Hysteresis

15

°C

Turn-on/Turn-off Characteristics

Turn-on Time

30

μs

Discharge Resistance

500

Ω

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