
CP-520/520A/520F Service Manual
DTV R&D Europe
32
4.6.4 PIN DESCRIPTION
PIN
NAME
SYMBOL
DESCRIPTION
1
Overcurrent feedback
O.C.
P/E.B.
Input of over current detection signal and feedback
signal
2
Source
S
Mosfet source
3
Drain
D
Mosfet drain
4
Supply
V
IN
Input of power supply for control circuit
5
Ground
GND
Ground
4.6.5 CONTROL PART - ELECTRICAL CHARACTERISTICS
IC PIN
RATING
DESCRIPTION
NUMBER SYMBOL
MIN.
TYPE
MAX
UNIT
Operation start voltage
4-5
V
IN
(on)
14.4
16
17.6
V
Operation stop voltage
4-5
V
IN
(off)
9
10
111
V
Circuit current in operation
4-5
I
IN
(on)
-
-
30
mA
Circ. current in non-operation
4-5
I
IN
(off)
-
-
100
µ
A
Maximum off time
-
T
OFF
(max)
45
-
55
µ
SEC
Minimum time for input of
quaxi resonant signals
1-5
T
TH
(2)
-
-
1.0
µ
SEC
Minimum off time
-
T
OFF
(min)
-
-
1.5
µ
SEC
O.C.P./F.B. terminal
threshold voltage 1
1-5
V
TH
(1)
0.68
0.73
0.78
V
O.C.P./F.B. terminal
threshold voltage 2
1-5
V
TH
(2)
1.3
1.45
1.6
V
O.C.P./F.B. terminal
extraction current
1-2
I
OCP/FB
1.2
1.35
1.5
mA
OVP operation voltage
4-5
V
IN
(OVP)
20.5
22.5
24.5
V
Latch circuit sustaining
voltage
4-5
I
IN
(H)
-
-
400
µ
A
Latch circuit release voltage
4-5
V
IN
(Loff)
6.6
-
8.4
V
Thermal shutdown operating
temperature
-
T
J
(TSD)
140
-
-
0
C
Содержание CP-520
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Страница 79: ...CP 520 520A 520F Service Manual DTV R D Europe 8 Printed Circuit Board 8 1 4859809693 CP 520 78...
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Страница 81: ...CP 520 520A 520F Service Manual DTV R D Europe 8 Printed Circuit Board 8 3 4859809993 CP 520F 80...
Страница 82: ...CP 520 520A 520F Service Manual DTV R D Europe 9 Schematic Diagram 9 1 CP 520 81...
Страница 83: ...CP 520 520A 520F Service Manual DTV R D Europe 9 Schematic Diagram 9 2 CP 520A 82...
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