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CM6900IP датащи(PDF) 3 Page - List of Unclassifed Manufacturers

номер детали CM6900IP
подробное описание детали  PFC/PWM COMBO w/ INRUSH CURRENT CONTROL & SEPARATED PFCOVP
PDF  19 Pages
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производитель  ETC [List of Unclassifed Manufacturers]
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CM6900IP датащи(HTML) 3 Page - List of Unclassifed Manufacturers

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CM6900
PFC/PWM COMBO w/ INRUSH CURRENT CONTROL & SEPARATED PFCOVP
2003/04/23
Preliminary Rev. 1.2
Champion Microelectronic Corporation
Page 2
APPLICATIONS
PIN CONFIGURATION
!
Desktop PC Power Supply
!
Internet Server Power Supply
!
IPC Power Supply
!
UPS
!
Battery Charger
!
DC Motor Power Supply
!
Monitor Power Supply
!
Telecom System Power Supply
!
Distributed Power
SOP-20 (S20) / PDIP-20 (P20)
Top View
1
2
3
4
5
6
7
8
20
19
18
17
16
15
14
13
IEAO
IAC
ISENSE
VRMS
INRUSHSTOPB
SS
VDC
RAM P1
VEAO
VFB
VFB2
VREF
VCCA
VDDD
PFCOUT
PW M OU T
VSSD
AGN D
RAM P2
DC ILIMIT
9
10
11
12
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
INRUSHSTO
PB
Inrush Current Control pin, It is low when Inrush current is high
or during the start-up condition and it is VCCA when Inrush
condition has been removed.
0
VCCA
V
6
SS
Connection point for the PWM soft start capacitor
0
VREF+0.7
V
7
VDC
PWM voltage feedback input
0
VREF+0.7
V
8
RAMP 1
(RTCT)
Oscillator timing node; timing set by RT CT
1.2
3.9
V
9
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
VREF+0.7
V
10
DC ILIMIT
PWM current limit comparator input
0
1
V
11
AGND
Analog Ground
12
VSSD
Digital Ground
13
PWM OUT
PWM driver output
0
VDDD
V
14
PFC OUT
PFC driver output
0
VDDD
V



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