AP1509 データシートの表示（PDF） - Anachip Corporation

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AP1509

150KHz, 2A PWM Buck DC/DC Converter

Anachip Corporation 

150KHz, 2A PWM Buck DC/DC Converter

AP1509

Electrical Characteristics (Continued)

AP1509-ADJ

AP1509-3.3V

AP1509-5V

AP1509-12V

Symbol

VFB

η

Parameter

Output

Feedback

Efficiency

Conditions

4.5V < VIN < 22V

0.2A < ILOAD < 2A

VOUT programmed for

3V

VIN = 12V, ILOAD=2A

Typ.

1.23

76

Limit

1.193/1.18

1.267/1.28

VOUT

η

Output voltage

4.75V < VIN < 22V

0.2A < ILOAD < 2A

Efficiency

VIN = 12V, ILOAD=2A

3.3

3.168/3.135

3.432/3.465

78

VOUT

Output voltage

7V < VIN < 22V

0.2A < ILOAD < 2A

5

η

Efficiency

VIN = 12V, ILOAD=2A

83

4.8/4.75

5.2/5.25

VOUT

η

Output voltage

15V < VIN < 22V

0.2A < ILOAD < 2A

12

Efficiency

VIN = 15V, ILOAD = 2A 90

11.52/11.4

12.48/12.6

Specifications with boldface type are for full operating temperature range, the other type are for TJ=25ºC.

Typical Application Circuit

Unit

V

VMIN

VMAX

%

V

VMIN

VMAX

%

V

VMIN

VMAX

%

V

VMIN

VMAX

%

12V

DC Input

Cin

Capacitor

FB

3

AP1509

1

Vin

-33

2

Output

L1

Inductor

4 5 6 78

SD Gnd Gnd Gnd Gnd

D1

Schottky Diode

3.3V/2A

Output Load

Co

Capacitor

Anachip Corp.

www.anachip.com.tw

Rev.0.1 Nov 27, 2003

4/8

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