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Sanken electric

SI-8911L Datasheet Preview

SI-8911L Datasheet

Separate Excitation Switching Type with Transformer

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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




Sanken electric

SI-8911L Datasheet Preview

SI-8911L Datasheet

Separate Excitation Switching Type with Transformer

No Preview Available !

qSI-8800L/8900L Series
sElectrical Characteristics
Parameter
Symbol
Output Voltage 1
Output Voltage 2
Efficiency
Switching Frequency
Switching Ripple
Voltage 1
Switching Ripple
Voltage 2
Operation Starting
Voltage
VO1
Conditions
VO2
Conditions
η
Conditions
f
Vr1
Conditions
Vr2
Conditions
VSt
Conditions
Ratings
(Ta=25°C)
SI-8811L
SI-8911L
SI-8921L
SI-8922L
Unit
min. typ. max. min. typ. max. min. typ. max. min. typ. max.
4.75 5.00 5.25 4.75 5.00 5.25 4.95 5.10 5.20 4.95 5.10 5.20
Recommended operating conditions
V
–4.75 –5.00 –5.25 –4.75 –5.00 –5.25
Recommended operating conditions
72 65 72
Recommended operating conditions (typ.)
72
%
50 68 60 68 80 60 68 80 kHZ
50
50
50 80
50 80
mVp-p
Recommended operating conditions (typ.)
50 50
Recommended operating conditions (typ.)
mVp-p
22 24 22 24 17 20
V
Recommended operating conditions (typ.)
sOutline Drawing
SI-8811L, 8911L, 8921L, 8922L
oy
(unit: mm)
a
b
SK
q 16.8±0.2 t
22±0.2
Terminal 1 marking
a. Part Number
b. Lot Number
Open Air Type
Weight: Approx. 9.3g
,,,,,,,,,,
,,,,,,,,,,,
0.8max.
(4×P3.175=12.7)
(16.5)
103


Part Number SI-8911L
Description Separate Excitation Switching Type with Transformer
Maker Sanken electric
Total Page 5 Pages
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