AP139 datasheet(3/8 Pages) ANACHIP

Part #	AP139

Description	300mA Low-Noise CMOS LDO

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Manufacturer	ANACHIP [Anachip Corp]

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AP139

300mA Low-Noise CMOS LDO

Anachip Corp.

www.anachip.com.tw

Rev.1.1 Jun 02, 2006

3/8

Electrical Characteristics

(TA=+25ºC, unless otherwise noted.)

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VIN

Input Voltage

Note 1

-

7

V

IQ

Quiescent Current

IO=0mA

-

45

60

µA

ISTB

Standby Current

VIN=5.0V, VOUT=0V, VEN < VEL

-

2.0

3.0

µA

Output Voltage Accuracy IO=1mA, VIN=5V

-2

-

2

%

VOUT

VOUT Temperature

Coefficient

-

50

-

ppm/

oC

VO =1.5V

-

1.5

VO =1.8V

-

1.2

VO =2V

-

1

VO =2.5V

-

0.6

VDROPOUT Dropout Voltage

IO=1mA to 300mA,

VOUT=VO(NOM)-1.5%

VO ≥2.8V

-

0.45

V

IOUT

Output Current

300

-

mA

ILIMIT

Current Limit

VOUT > 1.05V

300

450

-

mA

Ishort

Short Circuit Current

Vcc=5V,Vout<1.05V

-

150

300

mA

△

VLINE Line Regulation

IOUT=5mA, VIN=5~7V

-

0.1

0.3

%

△

VLOAD Load Regulation

IO=1mA to 300mA, VIN=5V

-

0.3

1

%

f=1KHz

-

60

-

f=10KHz

-

50

-

PSRR

Power Supply Rejection

IO=100mA,

CO=2.2µF ceramic

f=100KHz

-

40

-

dB

f=1KHz

-

75

-

f=10KHz

-

55

-

PSRR

Power Supply Rejection

IO=100mA,

CO=2.2µF ceramic,

CBYP=20nF

f=100KHz

-

30

-

dB

VEH

Output ON

1.7

-

V

VEL

EN Input Threshold

Output OFF

-

0.8

V

IEN

Enable Pin Current

-

<0.1

µA

OTS

Over Temperature

Shutdown

-

130

-

oC

OTH

Over Temperature

Hysteresis

-

20

-

oC

Note 1. : VIN(MIN)=VOUT+VDROPOUT

Typical Application

AP139

BYP

EN

V

OUT

GND

V

IN

C1

1uF

C2

10nF

C3

1uF

IN

OUT

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