Diodes AP34063 Manuel d'utilisateur télécharger pdf (Page 4)

AP34063

Document number: DS31004 Rev. 6 - 2

4 of 11

www.diodes.com

September 2012

© Diodes Incorporated

A

P34063

Typical Applications Circuit (cont.)

(3) Voltage Inverting Converter

1.25V

Ref

Reg

Ipk

CT

R

SQ

Q2

Q1

Comp.

+

_

8

7

6

5

1

2

3

4

VC

C

Osc

+

470uF

Vin

4.5V to 6.0V

Rsc

0.26

R2

50k

3k

R1

CO

-12V/100mA

Vout

100

Vout

Optional Filter

680

pF

L

B240

470uF

1.0uH

+

100

uH

+ +

Test Conditions Results

Line Regulation

V

IN

= 4.5V to 6.0V, I

O

= 100mA

20mV = ±0.08%

Load Regulation

V

IN

= 5.0V, I

O

= 20mA to 100mA

30mV = ±0.12%

Output Ripple

V

IN

= 5.0V, I

O

= 100mA 500mV

PP

Efficiency

V

IN

= 5.0V, I

O

= 100mA

60%

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