PAM3103ENABADJ datasheet(3/10 Pages) PAM

Part #	PAM3103ENABADJ

Description	300mAAdjustable High PSRR CMOS Linear Regulator

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Manufacturer	PAM [Power Analog Micoelectronics]

Direct Link	http://www.poweranalog.com

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3 / 10 page

Electrical Characteristic

T25

V

AIN

==

=

4V, V =3V, C

1 F, C

2.2 F, unless otherwise noted.

OIN

O

μμ

°C,

3

09/2008 Rev 1.2

PARAMETER

SYMBOL

Test Conditions

MIN

TYP

MAX

UNITS

Input Voltage

VIN

Note 1

5.5

V

Output Voltage

VO

1.2

5

V

Reference Voltage

VREF

1.235

V

Output Voltage Accuracy

V

O

I

O=1mA

-2

2

%

Output Current

I

O

300

Note 2

mA

Short Circuit Current

ISC

Vo=0V

150

mA

2.5V

≤Vo<3.3V

370

450

Dropout Voltage

V

drop

I

O =300mA

Vo

≥3.3V

180

230

mV

Ground Current

IGND

IO=1mA to 300mA

70

90

μA

Quiescent Current

IQ

IO=0mA

65

90

μA

Line Regulation

LNR

IO=1mA, VIN =3Vto 5V

-0.4

0.2

0.4

%/V

Load Regulation

LDR

IO=1mA to 300mA

-1

0.2

1

%

Temperature Coefficient

Tc

40

ppm/

OC

Over Temperature

Shutdown

OTS

IO=1mA

150

OC

Over Temperature

Hysteresis

OTH

IO=1mA

30

OC

f=100Hz

67

dB

f=1kHz

65

dB

Power Supply Ripple

Rejection

PSRR

Io=100mA, Vo=1.2V

f=10kHz

42

dB

Output Noise

Vn

f =10Hz to 100kHz

50

μVrms

EN Input High Threshold

VIH

VIN=2.5V to 5V

1.5

V

EN Input Low Threshold

VIL

VIN=2.5V to 5V

0.3

V

Shutdown Current

ISD

VEN=0V

0.01

1

μA

Note1: The minimum input voltage (

) of the PAM3103 is determined by output voltage and dropout

voltage.

:

V=V +V

Note 2: Output current is limited by P , maximum I =P /(

-V ).

V

The minimum input voltage is defined as

V

IN(MIN)

IN(MAX)

IN(MIN)

O

drop

DO

D

O

,

Power Analog Microelectronics Inc

www.poweranalog.com

PAM3103

300mA Adjustable High PSRR CMOS Linear Regulator

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