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CM6805AGIR

10-PIN Green-Mode PFC/PWM Combo CONTROLLER for High Density AC Adapter

Champion Microelectronic 

BLOCK DIAGRAM

CM6805(A;B)/CM6806A

10-PIN Green-Mode PFC/PWM Combo CONTROLLER for High Density AC Adapter

ISENSE

3

VFB

5

PWMTRIFAULT

. R1A

1

2

. R1B

1

2

2

IAC

IAC

2

R1C

.

1

.

. VCC

UVB

4

.VEAO

2.5V

-

GMV

.

+

V To Ramp

.

.

17.9V

16.4V

VCC OVP

+

.

-

-

0.5V

2.75V

2.5V

-

BROKENWIRE

.

+

PFC OVP

+

.

-

-

-1V

VCC-0.7V

-

PFC ILIMIT

.

+

PWM SHORT

GREENPWM

PFC CMP

-

.

+

FAULT

S

Q

R

R

Q

PFCCLK

PWMCLK

UVLO

VCC

.

.

PFC CLK

.

.

PWM CLK

fpfc=70KHz

VFB

2. 45V

0. 75V

VIN-OK

+

.

-

-

S

Q

R1

R2

Q

7

V=17uA

(VC C -1. 4V)/ 2

GREENMODE

GND

GND

PROTECTED BY PATENT

PWMCLK

PWMFAULT

10mS

1.5V

.

.

SS

SOFT START

6

V+I

PWM CMP

-

-

.

+

UVB

VREFDK

UVB

VREFDK

8

VCC

9

PFCOUT

10

PWMOUT

1

GND

ABSOLUTE MAXIMUM RATINGS

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

VCC MAX

IAC (before start up)

IAC (after start up)

ISENSE Voltage

PFC OUT

PWM OUT

VEAO

PWMTrifault

Parameter

Voltage on Any Other Pin

ICC Current (Average)

Peak PFC OUT Current, Source or Sink

Peak PWM OUT Current, Source or Sink

PFC OUT, PWM OUT Energy Per Cycle

Junction Temperature

Storage Temperature Range

Operating Temperature Range

Lead Temperature (Soldering, 10 sec)

Thermal Resistance (θJA)

Min.

GND-0.3

GND-0.3

-5

GND – 0.3

GND – 0.3

0

GND – 0.3

GND-0.3

-65

-40

Max.

20

VCC + 0.3

1.0

0.7

VCC + 0.3

VCC + 0.3

6.3

VCC + 0.3

VCC + 0.3

40

0.5

0.5

1.5

150

150

125

260

80

Units

V

V

V

V

V

V

V

V

V

mA

A

A

μJ

℃

℃

℃

℃

℃/W

2006/10/11 Rev1.0

Champion Microelectronic Corporation

Page 3

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