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PDF SI-8811L Data sheet ( Hoja de datos )
| Número de pieza | SI-8811L | |
| Descripción | Separate Excitation Switching Type with Transformer | |
| Fabricantes | Sanken electric | |
| Logotipo |  |
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qSI-8800L/8900L Series
SI-8800L/8900L Series
Separate Excitation Switching Type with Transformer
sFeatures
• Integrated switching IC and transformer construction
• Requires only input/output and soft start capacitors as external components
• Low switching noise
• Heatsink not required
• Built-in overcurrent protection circuit (+5V)
• ±2–output lineup (SI-8811L, SI-8911L)
sApplications
• Telephone power supplies
• Onboard local power supplies
sLineup
Part Number
SI-8811L
SI-8911L
SI-8921L/8922L
Ch1
VO(V)
IO(A)
+5 0.45
+5 0.3
+5 0.6
Ch2
VO(V)
IO(A)
–5 0.05
–5 0.1
sAbsolute Maximum Rating
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Symbol
VIN
PD
Tj
Tstg
SI-8811L
35
1.15
Ratings
SI-8911L
SI-8921L
60
1.3 1.67
+100
–25 to +85
SI-8922L
1.67
Unit
V
W
°C
°C
sRecommended Operating Conditions
Parameter
Symbol
DC Input Voltage Range
Output Current Range 1
Output Current Range 2
Operating Temperature Range
VIN
IO1
IO2
Top
SI-8811L
min. typ. max.
12 20 30
50 250 450
0 –20 –50*1
–10 +70
Ratings
SI-8911L
SI-8921L
min. typ. max. min. typ. max.
24 40 55 24 40 55
20 150 300*2 0
300 600
0 –50 –100
–10 +60 –10 +65
*1: Output current 2 depends on the input/output conditions
*2: If IO2=50mA or more, the condition IO1>0.5×IO2 is recommended.
SI-8922L
min. typ. max.
20 40 55
0 300 600
–10 +65
Unit
V
mA
mA
°C
102
1 page  
qSI-8800L/8900L Series
sTypical Characteristics
(Ta=25°C)
SI-8811L
Rise Characteristics
6
4 lO1=50mA lO2 =0mA
lO1=250mA lO2 =–20mA
2 lO1=450mA lO2 =–50mA
0 VIN
2 4 6 8 10 12 14 16 18 20 (V)
–2 lO1=50mA lO2 =0mA
lO1=250mA lO2 =–20mA
–4 lO1=450mA lO2 =–50mA
–6
Input Voltage VIN (V)
Efficiency Characteristics
80
VIN=12V
15V
20V
75 25V
30V
70
65
60
IO2 = –50mA constant
0
0 50 100 150 200 250 300 350 400 450 500
Output Current 1 lO1 (A)
SI-8922L
Rise Characteristics
8
7
6
5
4
3
2
1
00 10 20 30 40
Input Voltage VIN (V)
Efficiency Characteristics
80
VIN=55V
70 344080VVV
60 24V
50
40
30
20
00 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Output Current lO (A)
SI-8911L
Rise Characteristics
6
4
lO1
20 to 30mA
2
0 VIN
5 10 15 20 25 30 35 40(V)
–2
lO2
0 to 100mA
–4
–6
Input Voltage VIN (V)
Efficiency Characteristics
80
70
VIN=55V
60 40V 24V
50
40
30
IO2 = –100mA constant
0
0 50 100 150 200 250 300 350 400
Output Current 1 lO1 (A)
SI-8921L
Rise Characteristics
6
lO=0
5
0.3A
0.6A
4
3
2
1
0
0 5 10 15 20 25 30 35 40 45
Input Voltage VIN (V)
Efficiency Characteristics
80
70
VIN=55V
434008VVV
60 24V
50
40
30
20
00 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Output Current lO (A)
106
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet SI-8811L.PDF ] | |
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