http://www.championmicro.com.tw

EPA/85+ 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 (CM6802SAH/SBH)

DC ILIMIT

9

VRMS

4

PFC OVP

+

-

.

SS

5

VFB

10uA

S

R

Q

Q

70K

GMi

+

-

.

GMv

-

+

.

VREF+2.5V

ZENER

17V

IEAO

1

VDC

6

Rmul

MPPFC

NPFC

Zener

16.5V

VEAO

PFC RAMP

S

R

Q

Q

S

R

Q

Q

S

+

-

PFC CMP

380V-OK

+

-

.

1.0V

ISENSE

3

VEAO

16

PPWM

+

-

Green PFC

Rmul

PFCCLK

PWMCLK

.

.

VCC

RAMP1

7

1.8V

IAC

2

0.3V

-1.0V

2K

2.36V

RAMP2

8

SW SPST

VREF

14

VCC

13

REFERENCE

7.5V

MNPFC

PWM OUT

11

2.5V

GND

10

2.85V

VFB

+

-

PFC ILIMIT

PFC

VFB

0.5V

DC ILIMIT

ZENER

17V

MODULATOR

GAIN

VCC

UVLO

ISENSE

+

-

PFC Tri-Fault

PFC OUT

12

VFB

15

VCC

Green PWM

ABSOLUTE MAXIMUM RATINGS

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

Parameter

Min.

Max.

Units

20

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

3.5

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