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參數(shù)資料
| 型號(hào)： | CM6824IP |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO |
| 中文描述： | 低啟動(dòng)電流式PFC / PWM控制器組合 |
| 文件頁(yè)數(shù)： | 2/18頁(yè) |
| 文件大?。?/td> | 342K |
| 代理商： | CM6824IP |
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CM6824
L
OW
S
TART-
U
P
C
URRENT
PFC/PWM C
ONTROLLER
C
OMBO
PIN DESCRIPTION
2002/09/20
Preliminary
Rev. 1.1
Champion Microelectronic Corporation
Page 2
Operating Voltage
Typ.
Pin No.
Symbol
Description
Min.
Max.
Unit
1
IEAO
PFC transconductance current error amplifier output
0
4.25
V
2
I
AC
PFC gain control reference input
0
1
mA
3
I
SENSE
Current sense input to the PFC current limit comparator
-5
0.7
V
4
V
RMS
Input for PFC RMS line voltage compensation
0
6
V
5
SS
Connection point for the PWM soft start capacitor
0
8
V
6
V
DC
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 I
LIMIT
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
V
CC
Positive supply
10
15
20
V
14
V
REF
Buffered output for the internal 7.5V reference
7.5
V
15
V
FB
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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