CM6805 Ver la hoja de datos (PDF) - Champion Microelectronic

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componentes Descripción

Fabricante

CM6805

10-PIN Green-Mode PFC/PWM Combo CONTROLLER

Champion Microelectronic 

CM6805BO

10-PIN Green-Mode PFC/PWM Combo CONTROLLER

BLOCK DIAGRAM

2

IAC

4

.VEAO

40K

IAC

ISENSE

3

100K

400K

VFB

5

2.5V

0.5V

2.75V

2.5V

SUM

GMV

-

.

+

BROKENWIRE

-

.

+

PFC OVP

+

.

-

-

V To Ramp

.

.

-

PFC ILIMIT

.

-1V

+

PFC CMP

-

.

+

FAULT

S

Q

R

R

Q

UVLO

VCC

.

.

UVB

VREFDK

PFCCLK

PWMCLK

PFC CLK

.

.

PWM CLK

VFB

2.25V

1.1V

VIN-OK

+

.

-

-

fpfc=100KHz

S

Q

R1

R2

Q

UVB

VREFDK

8

VCC

9

PFCOUT

10

PWMOUT

PFCOFFB

7

SHUTDOWN PFC

-

.

5.5V

+

5V

+

GND

PWMCLK

10mS

1.5V

.

.

SS

SOFT START

6

V+I

PWM CMP

-

-

.

+

PROTECTED BY PATENT

1

GND

ABSOLUTE MAXIMUM RATINGS

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

Parameter

Min.

Max.

VCC MAX

IAC (before start up)

GND-0.3

20

VCC + 0.3

IAC (after start up)

GND-0.3

1.0

ISENSE Voltage

PFC OUT

-5

GND – 0.3

0.7

VCC + 0.3

PWM OUT

GND – 0.3

VCC + 0.3

VEAO

0

6.3

PFCOFFB

GND – 0.3

VCC + 0.3

Voltage on Any Other Pin

GND-0.3

VCC + 0.3

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)

40

0.5

0.5

1.5

150

-65

150

-40

125

260

80

Units

V

V

V

V

V

V

V

V

V

mA

A

A

μJ

℃

℃

℃

℃

℃/W

2007/11/28 Rev 1.2

Champion Microelectronic Corporation

Page 3

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