http://www.championmicro.com.tw

EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER

Design for High Efficient Power Supply at both Full Load and Light Load

Champion Microelectronic Corporation

4

Simplified Block Diagram (CM6802A/B/AH/BH)

VFB

VFB

15

ZENER

17V

NPFC

ISENSE

3

VEAO

MNPFC

S

R

Q

Q

VFB

0.5V

+

-

PFC Tri-Fault

IAC

2

PFC OUT

12

VFB

-1.0V

PPWM

ZENER

17V

2.36V

RAMP1

7

S

R

Q

Q

VREF

14

5

VRMS

4

REFERENCE

7.5V

VCC

+

-

PFC CMP

Rmul

380V-OK

+

-

.

RAMP2

8

ISENSE

IEAO

1

PWM OUT

11

+

-

PFC ILIMIT

UVLO

1.0V

+

-

Green PFC

GND

10

0.3V

GMv

-

+

.

VEAO

16

VCC

VCC

VCC

1.8V

Green PWM

10uA

300

S

R

Q

Q

S

DC ILIMIT

VDC

6

PFC OVP

+

-

.

VCC

13

2.5V

MPPFC

GMi

+

-

.

VREF+2.5V

2.85V

PFCCLK

PWMCLK

.

.

PFC RAMP

SW SPST

PFC

MODULATOR

GAIN

DC ILIMIT

9

Rmul

Zener

16.5V

ABSOLUTE MAXIMUM RATINGS

Absolute Maximum ratings are those values beyond which the device could be permanently damaged.

Parameter

Min.

Max.

Units

18

V

IEAO

0

VREF+0.3

V

-5

0.7

V

GND – 0.3

VCC + 0.3

V

GND – 0.3

VCC + 0.3

V

PFC OUT

PWMOUT

Voltage on Any Other Pin

GND – 0.3

VCC + 0.3

V

5

mA

1

mA

Peak PFC OUT Current, Source or Sink

0.5

A

Peak PWM OUT Current, Source or Sink

0.5

A

PFC OUT, PWM OUT Energy Per Cycle

1.5

Junction Temperature

150

℃

Storage Temperature Range

-65

150

℃

Operating Temperature Range

-40

125

℃

Lead Temperature (Soldering, 10 sec)

260

℃

Plastic DIP

Plastic SOIC

80

105

℃

/W

℃

/W

800

mW

ESD Capability, HBM Model

5.5

KV

ESD Capability, CDM Model

1250

V