Daewoo DUX-21U7DT, Руководство по обслуживанию

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CP-530 Service Manual
-27-
4.6.4 PIN DESCRIPTION
Terminal No. SYMBOL DESCRIPTION
1 D Drain terminal
3 S/GND Source/ Ground terminal
4 VCC Power supply terminal
5 SS/OLP Delay at Overload/ Soft start set up terminal
6 FB Feedback terminal
7 OCP/BD Overcurrent Protection Input/ Bottom
Detection terminal
4.6.5 CONTROL PART - ELECTRICAL CHARACTERISTICS
RATING
DESCRIPTION TERMINAL SYMBOL MIN. TYPE MAX UNIT
Operation start voltage 4-3 V
CC
(on) 16.3 18.2 19.9 V
Operation stop voltage 4-3 V
CC
(off) 8.8 9.7 10.6 V
Circuit current in operation 4-3 I
CC
(on) - - 6 mA
Circ. current in non-operation 4-3 I
CC
(off) - - 100
μ
A
Maximum on time 1-3 T
ON
(max) 27.5 32.5 39.0
μ
s
Minimum on time 1-3 T
ON
(min) 0.4 0.8 1.2
μ
s
O.C.P./B.D. terminal 7-3 V
OCPBD
(TH1) 0.28 0.40 0.52 V
threshold voltage 1
O.C.P./B.D. terminal
7-3 V
OCPBD
(TH2) 0.67 0.80 0.93 V
threshold voltage 2
O.C.P./F.B. terminal
7-3 I
OCPBD
-250 -100 -40
μ
A
outflow current
OVP operation voltage
4-3 V
CC
(OVP) 25.5 27.7 29.9 V
Latch circuit holding current 4-3 I
CC
(H) - 45 140
μ
A
Latch circuit release voltage 4-3 V
CC
(Loff) 6.0 7.2 8.5 V
4.6.6 MOSFET ELECTRICAL CHARACTERISTICS
RATING
DESCRIPTION TERMINAL SYMBOL MIN. TYPE MAX UNIT
Drain-to-source break 1-3 V
DSS
650 - - V
down voltage
Drain leakage current
1-3 I
DSS
- - 300
μ
A
On-resistance 1-3 R
DS
(on) - - 0.96 Ω
Switching time 1-3 tf - - 400 ns
Thermal resistance -
Θ
ch-F - - 1.6
o
C/W