CM6802SBHXIP datasheet(7/25 Pages) CHAMP

Part #	CM6802SBHXIP

Description	EPA/85 ZVS-Like PFCPWM COMBO CONTROLLER

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Manufacturer	CHAMP [Champion Microelectronic Corp.]

Direct Link	http://www.champion-micro.com

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CM6802SAH/SBH (Turbo-Speed PFC+Green PWM)

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

2009/11/02 Rev. 1.5

Champion Microelectronic Corporation

7

ELECTRICAL CHARACTERISTICS:

(Conti.) Unless otherwise stated, these specifications apply Vcc=+14V, RT = 5.88 kΩ, CT = 1000pF,

TA=OperatingTemperature Range (Note 1)

CM6802SAH/SBH

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

DC ILIMIT Comparator

Threshold Voltage

0.92

1.0

1.08

V

Delay to Output (Note 4)

Overdrive Voltage = 100mV

700

ns

DC to DC PWM Brown Out Comparator

OK Threshold Voltage

2.1

2.3

2.5

V

Hysteresis

900

950

1000

mV

GAIN Modulator

Gain1 (Note 3)

IAC = 20

μ A, V

RMS =1.125, VFB = 2.375V @

T=25℃ SS<VREF

5.05

5.7

6.35

Gain2 (Note )3

IAC = 20

μ A, V

RMS = 1.45588V, VFB =

2.375V @ T=25℃ SS<VREF

4.54

5.1

5.66

Gain3 (Note 3)

IAC = 20

μ A, V

RMS =2.91V, VFB = 2.375V @

T=25℃ SS<VREF

1.27

1.5

1.72

Gain4 (Note 3)

IAC = 20

μ A, V

RMS = 3.44V, VFB = 2.375V

@ T=25℃ SS<VREF

0.93

1.1

1.26

Bandwidth (Note 4)

IAC = 40

μ A

1

MHz

Output Voltage = Rmul *

(ISENSE-IOFFSET)

IAC = 50

μ A, V

RMS = 1.125V, VFB = 2V

SS<VREF

0.74

0.8

0.86

V

Oscillator (Measuring fpfc)

Initial fpfc Accuracy 1

RT = 5.88 kΩ, CT = 1000pF, TA = 25℃

IAC=0uA

64

68

72

kHz

Voltage Stability

11V < VCC < 16.5V

2

%

Temperature Stability

2

%

Total Variation

Line, Temp

60

75

kHz

Ramp Valley to Peak Voltage

VEAO=6V and IAC=20uA

2.5

V

PFC Dead Time (Note 4)

550

950

ns

CT Discharge Current

VRAMP2 = 0V, VRAMP1 = 2.5V

10

11

12

mA

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CM6802SBHXIP Datasheet(PDF) 7 Page - Champion Microelectronic Corp.

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