CM6901 参数 Datasheet PDF下载

CM6901

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs

ELECTRICAL CHARACTERISTICS

(VCC=12V, RT=43K±1%, CT=820pF±1%, Freq. = 80 KHz, Duty Cycle=48% , Temp=-40 ~ 125℃, unless otherwise specified.)

Parameter

CSS (pin 7)

Soft Start Current

Enable Voltage

Enable Hysteresis

Auto-restart Upper Threshold

Auto-restart Lower Threshold

Iss

Ven

Vhys

Vup

Vlw

TA=25℃

TA=25℃

TA=25℃

4.85

-8.7

0.9

-7.5

1.0

100

5.0

1-Vhyst

5.15

-6.3

1.1

uA

V

mV

V

V

Symbol

Conditions

Min.

Typ.

Max.

Unit

FEAO Resonant Error Amplifier (pin 3)

Input Voltage Range

Transconductance

VFB (Pin2)

TA=25℃

Feedback Reference Voltage

(note

2)

TA=125℃

TA=-40℃

Input Bias Current

Output High Voltage

Output Low Voltage

Sink Current

Source Current

Open Loop Gain

DEAO PWM Error Amplifier (pin 6)

Input Voltage Range

Reference Voltage

Transconductance

Input Bias Current

Output Voltage High

Output Voltage Low

Sink Current

Source Current

Open Loop Gain

Gm

TA=25℃

0.96

95

-1.0

1.01

120

-0.5

3+VBE

0.1

-5

7

60

0.4

6

1.06

145

V

V

umho

uA

V

V

uA

uA

dB

VFB =250mV , TA=25℃

VFB = -250mV ,

TA=25℃

-20.4

12.4

2.475

2.485

2.465

-1

2.5

2.51

2.49

-0.5

5.5+VBE

0.1

-17

15.6

60

0.4

-13.6

18.8

2.525

2.535

2.515

V

V

V

uA

V

V

uA

uA

dB

Gm

VFB±50mV, TA=25℃

37

46.5

6

56

V

umho

2009/11/02 Rev1.4

Champion Microelectronic Corporation

Page 6