AP1501A-33T5RA datasheet(3/11 Pages) ANACHIP

Part #	AP1501A-33T5RA

Description	150Khz, 5A PWM Buck DC/DC Converter

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Manufacturer	ANACHIP [Anachip Corp]

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AP1501A

150Khz, 5A PWM Buck DC/DC Converter

Anachip Corp.

www.anachip.com.tw

Rev.0.4 Feb 19, 2004

3/11

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

VCC

Supply Voltage

+45

V

VSD

ON/OFF Pin input voltage

-0.3 to +25

V

VFB

Feedback Pin voltage

-0.3 to +25

V

VOUT

Output voltage to Ground

-1

V

PD

Power dissipation

Internally limited

W

TST

Storage temperature

-65 to +150

oC

TOP

Operating temperature

-40 to +125

oC

VOP

Operating voltage

+4.5 to +40

V

Electrical Characteristics (All Output Voltage Versions)

Unless otherwise specified, VIN=12V for 3.3V, 5V, adjustable version and VIN=24V for the 12V version. ILOAD = 0.5A

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

60

IB

Feedback bias current

VFB=1.3V

(Adjustable version only)

40

100

nA

127

150

173

FOSC

oscillator frequency

110

173

Khz

1.6

VSAT

saturation voltage

IOUT=5A

no outside circuit

VFB=0V force driver on

1.5

1.7

V

Max. Duty Cycle(ON)

VFB=0V force driver on

100

DC

Min. Duty cycle(OFF)

VFB=12V force driver off

0

%

6.5

ICL

current limit

peak current

no outside circuit

VFB=0 force driver on

5.5

6.0

7.5

A

Output = 0V

no outside circuit

VFB=12 force driver off

200

uA

IL

Output =-1V

Output

leakage

current

VIN=40V

2

60

mA

IQ

Quiescent Current

VFB=12 force driver off

5

10

mA

250

ISTBY

Standby Quiescent

Current

ON/OFF pin=5V

VIN=40V

150

300

uA

VIL

Low (regulator ON)

-

0.6

VIH

ON/OFF pin logic input

threshold voltage

High (regulator OFF)

2.0

1.3

-

V

IH

ON/OFF pin logic

input current

VLOGIC=2.5V (OFF)

15

25

IL

ON/OFF pin input current VLOGIC=0.5V (ON)

0.02

5

uA

TO220-5L

2.5

ΘJC

Thermal Resistance

TO263-5L

Junction to

case

3.5

oC/W

TO220-5L

28

ΘJA

Thermal Resistance

With copper area of

approximately 3 in

2

TO263-5L

Junction to

ambient

23

oC/W

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