CM6807BGR datasheet(4/16 Pages) CHAMP

Part #	CM6807BGR

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

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Manufacturer	CHAMP [Champion Microelectronic Corp.]

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CM6807(A;B;C)

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

2006/10/11 Rev1.0

Champion Microelectronic Corporation

Page 4

ELECTRICAL CHARACTERISTICS Unless otherwise stated, these specifications apply Vcc=+14V,

TA=Operating Temperature Range (Note 1)

CM6807A

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Voltage Error Amplifier (gmv)

Input Voltage Range

0

5

V

Transconductance

VNONINV = VINV, VEAO = 3.75V

30

65

90

μmho

Feedback Reference Voltage

2.43

2.5

2.56

V

Input Bias Current

Note 2

-0.5

-1.0

μA

Output High Voltage

5.8

6.0

V

Output Low Voltage

0.1

0.4

V

Sink Current

VFB = 3V, VEAO = 6V

-35

-20

μA

Source Current

VFB = 1.5V, VEAO = 1.5V

30

40

μA

Open Loop Gain

50

60

dB

Power Supply Rejection Ratio

11V < VCC < 16.5V

50

60

dB

IAC

Input Impedance

ISENSE = 0V, TA=25℃

35

40

45

K

VCC OVP Comparator

Threshold Voltage

17.3

17.9

18.5

V

Hysteresis

1.3

1.5

1.75

V

PFC OVP Comparator

Threshold Voltage

2.64

2.77

2.85

V

Hysteresis

230

300

mV

PFC ILIMIT Comparator

Threshold Voltage

-1.1

-1

-0.9

V

Delay to Output

150

300

ns

VIN OK Comparator

Threshold Voltage

2.30

2.45

2.55

V

Hysteresis

1.65

1.75

1.85

V

PWM Digital Soft Start

Digital Soft Start Timer (Note 2)

Right After Start Up

10

ms

V + I Comparator

Threshold Voltage

Normal operation without soft start

1.38

1.5

1.62

V

Delay to Output (Note 2)

150

300

Ns

Threshold Voltage

During soft start condition

100

150

200

mV

PFC Tri-Fault Detect Comparator

Fault Detect HIGH

2.70

2.77

2.85

V

Time to Fault Detect HIGH

VFB=VFAULT DETECT LOW to VFB = OPEN,

470pF from VFB to GND

2

4

ms

Fault Detect LOW

0.4

0.5

0.6

V

PWM Tri-Fault Detect Comparator

DC to DC Short

Sweep PWMtrifault

VCC-0.9

VCC-0.1

V

Green Mode Threshold

Sweep PWMtrifault

-400mV+

(VCC-1.

4)/2

(VCC-1.4)

/2

+400mV

+(VCC-1

.4)/2

V

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