Diodes AP2132B Manuel d'utilisateur télécharger pdf (Page 6)

Data Sheet

2A CMOS LDO REGULATOR AP2132B

Oct. 2012

Rev. 1. 1 BCD Semiconductor Manufacturing Limited

6

Electrical Characteristics

V

IN

=V

OUT

+0.5V, V

CTRL

=V

EN

=5V, T

A

=25

o

C, C

IN

=C

OUT

=10μF, C

CTRL

=1μF, I

OUT

=10mA, unless otherwise

specified.

Parameter Symbol Conditions Min Typ Max Unit

Output Voltage V

OUT

V

IN

=V

OUT

+0.5V,

I

OUT

=10mA

V

OUT

×

98%

V

OUT

×

102%

V

Input Voltage V

IN

1.4 5.5 V

Current Limit I

LIMIT

V

IN

–V

OUT

=1V 3 A

Load Regulation V

RLOAD

V

IN

=V

OUT

+0.5V, 10mA≤I

OUT

≤2A 10 mV

Line Regulation V

RLINE

V

OUT

+0.5V≤V

IN

≤5V ,

I

OUT

=10mA

2 mV

Dropout Voltage V

DROP

I

OUT

=500mA 80 120 mV

I

OUT

=1A 150 200 mV

I

OUT

=2A 300 450 mV

Supply Current I

SUPPLY

V

IN

=V

OUT

+0.5V, I

OUT

=0mA 300

μA

V

CTRL

Current

I

CTRLH

V

IN

=V

OUT

+0.5V, V

CTRL

=V

EN

=5V 250 500

μA

I

CTRLL

V

IN

=V

OUT

+0.5V, V

CTRL

=5V, V

EN

=0V 0.1 1.0

μA

Power

Supply

Rejection Ratio

PSRR

Ripple 0.5Vp-p,

V

IN

=V

OUT

+1V

f=100Hz 60 dB

f=1kHz 60 dB

Output Voltage

Temperature

Coefficient

V△

OUT

V

OUT

× T△

I

OUT

=10mA, -40

o

C≤T

A

≤85

o

C ±100 ppm/

o

C

Short Circuit

Current

I

SHORT

0.3 0.5 A

Reference Voltage V

REF

Adjust Short to V

OUT

0.784 0.8 0.816 V

Enable “High”

Voltage

Enable Input Voltage “High” 1.2 V

Enable “Low”

Voltage

Enable Input Voltage “Low” 0.4 V

Thermal Shutdown OTSD 165

o

C

Thermal Shutdown

Hysteresis

20

o

C

V

OUT

Power

Good Voltage

V

THPG

92 %

V

PG

Hysteresis 7 %

Adjust Pin

Threshold

200 mV

Thermal Resistance

(Junction to Case)

θ

JC

PSOP-8 29 ºC/W

1 2 3 4 5 6 7 8 9 10 11 12 13

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