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AP3513E

Document number: DS36692 Rev. 2 - 2

4 of 11

www.diodes.com

January 2014

© Diodes Incorporated

AP3513E

A Product Line of

Diodes Incorporated

NEW PROD UCT

Electrical Characteristics (V

IN

= V

EN

= 12V, V

OUT

= 3.3V, T

A

= +25ºC, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

SUPPLY VOLTAGE (IN PIN)

V

IN

Input Voltage

–

4.5

–

18

V

I

Q

Quiescent Current

V

FB

= 1V, V

EN

= 3.3V

–

1.2

1.4

mA

I

SHDN

Shutdown Supply Current

V

EN

= 0V

–

0.1

1.0

µA

UNDER VOLTAGE LOCKOUT

V

UVLO

Input UVLO Threshold

V

IN

Rising

3.65

4.0

4.25

V

V

HYS

Input UVLO Hysteresis

–

–

0.2

–

V

ENABLE (EN PIN)

–

EN Shutdown Threshold Voltage

–

1.1

1.5

2

V

–

EN Shutdown Threshold Voltage Hystere-

sis (Note 5)

–

–

350

–

mV

–

EN Lockout Threshold Voltage

–

2.2

2.5

2.7

V

–

EN Lockout Hysteresis

–

–

210

–

mV

VOLTAGE REFERENCE (FB PIN)

V

FB

Feedback Voltage

–

0.907

0.925

0.943

V

V

FBOV

Feedback Over Voltage Threshold

–

–

1.1

–

V

I

FB

Feedback Bias Current

V

FB

= 1V

-0.1

–

0.1

µA

MOSFET

R

DSONH

High-side Switch On-resistance (Note 6)

I

SW

= 0.2A&0.7A

–

100

–

mΩ

R

DSONL

Low-side Switch On-resistance (Note 6)

I

SW

= -0.2A&-0.7A

–

100

–

mΩ

CURRENT LIMIT

I

LEAKH

High-side Switch Leakage Current

V

IN

= 18V, V

EN

= 0V, V

SW

= 0V

–

0.1

10

μA

I

LIMH

High-side Switch Current Limit

–

4.3

5.6

–

A

I

LIML

Low-side Switch Current Limit

From drain to source

–

50

–

mA

SWITCHING REGULATOR

f

OSC1

Oscillator Frequency

–

410

500

590

kHz

f

OSC2

Short Circuit Oscillator Frequency

–

–

180

–

kHz

D

MAX

Max. Duty Cycle

V

FB

= 0.85V

–

90

–

%

D

MIN

Min. Duty Cycle

V

FB

= 1V

–

–

0

%

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