Diodes AP3012 Manuel d'utilisateur télécharger pdf (Page 3)

1.5MHz STEP-UP DC-DC CONVERTER AP3012

3

May 2010 Rev. 1. 6 BCD Semiconductor Manufacturing Limited

Data Sheet

Functional Block Diagram

Figure 3. Functional Block Diagram of AP3012

FB

SHDN

V

IN

GND

SW

Q1

Σ

A2

A1

R

S

Q

1.5MHz

OSCILLATOR

RAMP

GENERATOR

V

REF

SHUTDOWN

3

5

4

2

1

DRIVER

1.25V

OVP

SOFT

START

R

C

C

C

0.2 Ω

COMPARATOR

1 2 3 4 5 6 7 8 9 10 11

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