Service manual SC-150

4-8-4 Pins description

pin

name

 

 

symbol

 

description

 

 

 

 

1

Overcurrent / feedback

 

O.C.P./ F.B.

 

Input of over current detection signal and

 

 

 

 

 

 

 

feedback signal

 

 

 

 

2

Source

 

 

S

 

MOSFET source

 

 

 

3

Drain

 

 

D

 

MOSFET drain

 

 

 

 

4

Supply

 

 

VIN

 

Input of power supply for control circuit

 

5

Ground

 

 

GND

 

Ground

 

 

 

 

4-8-5 Control part electrical characteristics

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DESCRIPTION

IC PIN

SYMBOL

 

 

RATING

 

 

UNIT

 

 

 

 

 

 

 

 

NUMBER

 

MIN.

 

TYPE

MAX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operation start voltage

4-5

 

VIN (on)

 

14.4

 

16

17.6

 

V

 

 

 

 

 

 

 

 

 

 

 

Operation stop voltage

4-5

 

VIN (off)

 

9

 

10

111

 

V

 

 

 

 

 

 

 

 

 

 

 

Circuit current in

4-5

 

IIN (on)

 

-

 

-

30

 

mA

operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Circuit current in non-

4-5

 

IIN (off)

 

-

 

-

100 mA

 

A

operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum OFF time

-

 

TOFF (max)

 

45

 

-

55

 

SEC

 

 

 

 

 

 

 

 

 

 

 

Minimum time for input of

1-5

 

TTH (2)

 

-

 

-

1.0

 

SEC

quaxi resonant signals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Minimum off time

-

 

TOFF (min)

 

-

 

-

1.5

 

SEC

O.C.P./F.B. terminal

1-5

 

VTH (1)

 

0.68

 

0.73

0.78

 

V

threshold voltage 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O.C.P./F.B. terminal

1-5

 

VTH (2)

 

1.3

 

1.45

1.6

 

V

threshold voltage 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O.C.P./F.B. terminal extraction

1-2

 

IOCP/FB

 

1.2

 

1.35

1.5

 

mA

current

 

 

 

 

 

 

 

 

 

 

 

O.V.P. operation voltage

4-5

 

VIN (OVP)

 

20.5

 

22.5

24.5

 

V

 

 

 

 

 

 

 

 

 

 

 

Latch circuit sustaining voltage

4-5

 

IIN (H)

 

-

 

-

400

 

A

 

 

 

 

 

 

 

 

 

 

 

Latch circuit release voltage

4-5

 

VIN (La.off)

 

6.6

 

-

8.4

 

V

 

 

 

 

 

 

 

 

 

 

 

Thermal shutdown operating

-

 

TJ (TSD)

 

140

 

-

-

 

0 C

temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-37-

Page 37 Page 39
Page 38
Image 38
Daewoo DSC-3220E/3220L service manual Pin Name Symbol Description, Vin Ovp, Iin H, Tj Tsd
Page 37 Page 39

DSC-3220E/3220L specifications

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