Daewoo DDT-21H9ZDF(21"), Service Manual

Page: 39 / 116

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Service Manual CP-099/FS
4-8-5 Control part electrical characteristics
IC PIN RATING
NUMBER MIN. TYPE MAX
Operation start voltage 4-5 V
IN
(on) 14.4 16 17.6 V
Operation stop voltage 4-5 V
IN
(off) 9 10 11 V
Circuit current in 4-5 I
IN
(on) - - 30 mA
operation
Circuit current in non- 4-5 I
IN
(off) - - 100 A
operation
Maximum OFF time - T
OFF
(max) 45 - 55 sec
Minimum time for input of 1-5 T
TH
(2) - - 1.0 sec
quaxi resonant signals
Minimum off time - T
OFF
(min) - - 1.5 sec
O.C.P./F.B. terminal 1-5 V
TH
(1) 0.68 0.73 0.78 V
threshold voltage 1
O.C.P./F.B. terminal 1-5 V
TH
(2) 1.3 1.45 1.6 V
threshold voltage 2
O.C.P./F.B. terminal extraction 1-2 I
OCP/FB
1.2 1.35 1.5 mA
current
O.V.P. operation voltage 4-5 V
IN
(OVP) 20.5 22.5 24.5 V
Latch Current sustaining voltage 4-5 I
IN
(H) - - 400 A
Latch Current release voltage 4-5 V
IN
(La.off) 6.6 - 8.4 V
Thermal shutdown operating - T
J
(TSD) 140 - -
0
C
temperature
SYMBOL
UNIT
DESCRIPTION
DESCRIPTION
4-8-6 MOSFET electrical characteristics
IC PINS RATING
NUMBER MIN. TYPE MAX
Drain-to-source breakdown 3-2 V
DSS
650 - - V
voltage
Drain leakage current 3-2 I
DSS
- - 300 A
On-resistance 3-2 R
DS
(on) - - 1.15(1.95)
Switching time 3-2 tf - - 25
*(14")
0 nsec
Thermal resistance - O
CH
-F - - 0.95(1.25)
0
C/W
SYMBOL
UNIT