Samsung SR-S27DTA Specifications Page 99
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1
ABSOLUTE MAXIMUM RATINGS
(T
A
=25 unless otherwise specified)
Characteristic
Input Voltage (for Vo = 5V to 18V)
Input Voltage (for Vo = 24V)
Thermal Resistance Junction-Cases
Thermal Resistance Junction-Air
Operating Junction Temperature Range KA78XX/A
Operating Junction Temperature Range KA78XXI
Storage Temperature Range
Symbol
V
1
V
1
R
eJC
R
eJA
T
OPR
T
STG
Value
35
40
5
65
0~ 125
-40~ 125
-65~ 150
Unit
V
V
/W
/W
ELECTRICAL CHARACTERISTICS KA78-5/1
(REFER TO TEST CIRCUIT, T
MIN
<
T
J
<
T
MAX
, I
O
=
500mA, V
1
=
10V, C
I
=
0.33 , C
O
=
0.1 , unless otherwise specified)
Characteristic
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple
Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
Symbol
V
O
V
O
V
O
I
Q
I
Q
V
O
/ T
V
N
RR
V
O
R
O
I
SC
V
PK
Unit
V
O
V
O
V
O
I
Q
I
Q
V
O
/ T
V
N
RR
V
O
R
O
I
SC
V
PK
Test Conditions
T
J
=25
25
5.0mA 1.0A, P
O
15W
V
I
=7V to 20V
V
I
=8V to 20V
V
I
=
7V to 25V
V
I
=
8V to 12V
I
O
=0.5mA to 1.5mA
I
O
=250mA to 750mA
T
J
=25
25
I
O
=5mA to 1.0mA
V
I
=7V to 25V
V
I
=8V to 25V
I
O
=5mA
f=10Hz to 100KHz T
A
=2525
f=120Hz
V
I
=8V to 18V
I
O
=1A, T
J
=25
25
f=1KHz
V
I
=35V, T
A
=25
25
T
J
=25
25
T
J
=25
25
T
J
=25
25
KA78051 KA78050
Min
4.8
4.75
62
Typ
5.0
5.0
4.0
1.6
9
4
5.0
0.03
0.3
-0.8
42
73
2
15
230
2.2
Max
5.2
5.25
100
50
100
8
0.5
1.3
Min
4.8
4.75
62
Typ
5.0
5.0
4.0
1.6
9
4
5.0
0.03
0.3
-0.8
42
73
2
15
230
2.2
Max
5.2
5.25
100
50
100
50
8
0.5
1.3
T
MIN
<T
J
<T
MAX
KA78XXI : T
MIN
=-40 , T
MAX
=125
KA78XX : T
MIN
=0 , T
MAX
=125
Load and line regulation are specified at constant junction temperature.
Changes in V
O
due to heating effects must be taken into account separately.
Pulse testing with low duty is used.
- Model : SR-S25/26NTA 1
- SR-S24/25/27FTA 1
- SR-S24/25/27DTA 1
- 1. Product Specifications 2
- 2. SAFETY WARNINGS 3
- Prohibition 4
- 4. Electric circuit diagram 7
- REFERRENCE 10
- Refrigerator 13
- 6-1) Refrigeration Cycle 16
- 6-2) Cool Air Circulation 17
- Frozen food compartment 17
- Fresh food compartment 17
- 1. Power-Freezing Function 19
- 7-4. ALARM function 20
- 7-5. Defrost function 20
- 7-6. TEST function 21
- 7-7. Self-Diagnosis Function 22
- 1. Light ON/OFF function 24
- 3. WATER DISPENSER function 25
- 8. Circuit operation theory 26
- 8-4. DOOR S/W sensing circuit 27
- 2. KEY SCAN 28
- <Co-operation Table> 30
- 8-8. Various OPTION function 31
- MODEL OPTION function 34
- Information 34
- 1. EMI circuit 35
- 2. Rectifier circuit 35
- 3. First starter circuit 35
- 4. Switching circuit 35
- 5. Resonance output circuit 36
- 6. Guard circuit 36
- 9. Inverter Component list 37
- 10. Troubleshooting 38
- Pre-Check 39
- CRITERIA FOR JUDGEMENT 40
- 1. First operation function 56
- 2. Water supply function 56
- Delay time (2 seconds) 57
- Maximum Twisted Point 57
- Horizontality 57
- Return to 57
- KNOB-TOUCH 61
- 11-8) Assembly of Ice-Maker 62
- 12. References 63
- Measure after disassembly 64
- To Fluorescent Lamp 65
- Measuring 65
- TEST S/W on 66
- FTA / DTA 68
- 13-4) Temperature controller 70
- SR-S24NTA 70
- SR-S24FTA 70
- 15-3) Door Parts (SR-S26NTA) 73
- 15-11) CABINET PARTS 85
- External type(FTA) Components 86
- 20-2) RESETIC(KA7533) 101
- 3.3V VOLTAGE DETECTOR 101
- FEATURES 101
- BLOCK DIAGRAM 101
- ORDERING INFORMATION 101
- VCC( ) 103
- GND( ) 103
- HIGH-VOLTAGE, HIGH-CURRENT 104
- DARLINGTON ARRAYS 104
- AMBIENT TEMPERATURE IN 105
- 16 Amps. Miniature 106
- Slim Type Power Relay 106
- VSB-12STB 107
- Safefy Instruction o Service 109
- ELECTRONICS 110
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