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CM6800 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part No. CM6800
Description  LOW START UP CURRENT PFC/PWM CONTROLLER COMBO
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CM6800 Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers

 
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CM6800/1
LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
2004/02/11 Rev. 1.6
Champion Microelectronic Corporation
Page 2
PIN DESCRIPTION
Operating Voltage
Pin No.
Symbol
Description
Min.
Typ.
Max.
Unit
1
IEAO
PFC transconductance current error amplifier output
0
4.25
V
2
IAC
PFC gain control reference input
0
1
mA
3
ISENSE
Current sense input to the PFC current limit comparator
-5
0.7
V
4
VRMS
Input for PFC RMS line voltage compensation
0
6
V
5
SS
Connection point for the PWM soft start capacitor
0
8
V
6
VDC
PWM voltage feedback input
0
8
V
7
RAMP 1
(RTCT)
Oscillator timing node; timing set by RT CT
1.2
3.9
V
8
RAMP 2
(PWM RAMP)
When in current mode, this pin functions as the current sense
input; when in voltage mode, it is the PWM input from PFC
output (feed forward ramp).
0
6
V
9
DC ILIMIT
PWM current limit comparator input
0
1
V
10
GND
Ground
11
PWM OUT
PWM driver output
0
VCC
V
12
PFC OUT
PFC driver output
0
VCC
V
13
VCC
Positive supply
10
15
18
V
14
VREF
Buffered output for the internal 7.5V reference
7.5
V
15
VFB
PFC transconductance voltage error amplifier input
0
2.5
3
V
16
VEAO
PFC transconductance voltage error amplifier output
0
6
V


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