CURRENT MODE PWM CONTROLLER

AP384XC

Data Sheet

3

Jul. 2013 Rev. 2. 0

BCD Semiconductor Manufacturing Limited

Functional Block Diagram

Figure 3. Functional Block Diagram of AP3842C/3C/4C/5C

GND

COMP

OUTPUT

OSC

VREF

GOOD

LOGIC

OVER TEMP

PROTECT

T

INTERNAL

BIAS

2R

R

S/R

5V

REF

UVLO

2.50V

PWN

LATCH

CURRENT

SENSE

COMPARATOR

ERROR

AMP

34V

1V

7

5

4

2

1

3

8

6

S

R

Note: Toggle flip-flop used

for 3844C/45C only

(Note)