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4-7-4 Pins description
pin
name
1
Overcurrent / feedback
2
Source
3
Drain
4
Supply
5
Ground
4-7-5 Control part electrical characteristics
description
Operation start voltage
Operation stop voltage
Circuit current in operation
Circuit current in non-operation
Maximum OFF time
Minimum time for input of quaxi
resonant signals
Minimum off time
O.C.P./F.B. terminal threshold
voltage 1
O.C.P./F.B. terminal threshold
voltage 2
O.C.P./F.B. terminal extraction
current
O.V.P. operation voltage
Latch circuit sustaining voltage
Latch circuit release voltage
Thermal shutdown operating
temperature
4-7-6 MOSFET electrical characteristics
description
Drain-to-source breakdown voltage
Drain leakage current
On-resistance
Switching time
Thermal resistance
symbol
O.C.P./ F.B.
S
D
V
IN
GND
IC pins
symbol
number
4-5
V
(on)
IN
4-5
V
(off)
IN
4-5
I
(on)
IN
4-5
I
(off)
IN
-
max)
T
(
OFF
1-5
T
(2)
TH
-
T
(min)
OFF
1-5
V
(1)
TH
1-5
V
(2)
TH
1-2
I
OCP/FB
4-5
V
(OVP)
IN
4-5
I
(H)
IN
4-5
V
(La.off)
IN
-
T
(TSD)
J
IC pins
symbol
number
3-2
V
DSS
3-2
I
DSS
3-2
R
(on)
DS
3-2
tf
-
q
CH -F
- 32 -
Service manual CL2554AN / CL2854AN
description
Input of overcurrent detection signal and
feedback signal
MOSFET source
MOSFET drain
Input of power supply for control circuit
Ground
rating
min.
typ.
14.4
16
9
10
-
-
-
-
45
-
-
-
-
-
0.68
0.73
1.3
1.45
1.2
1.35
20.5
22.5
-
-
6.6
-
140
-
rating
min.
typ.
650
-
-
-
-
-
-
-
-
-
unit
max.
17.6
V
11
V
30
mA
100
mA
55
msec
1.0
msec
1.5
msec
0.78
V
1.6
V
1.5
mA
24.5
V
400
mA
8.4
V
0
-
C
unit
max.
-
V
300
mA
1.95
W
250
nsec
0
1.25
C/W
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