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SI-8501L データシート(PDF) 1 Page - Sanken electric

部品番号 SI-8501L
部品情報  Separate Excitation Step-down Switching Mode with Coil
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メーカー  SANKEN [Sanken electric]
ホームページ  http://www.sanken-ele.co.jp/en
Logo SANKEN - Sanken electric

SI-8501L データシート(HTML) 1 Page - Sanken electric

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56
ICs
1-1-3 DC/DC Converter ICs
■Features
• Switching ICs/Coil combined type
• Requires only 2 discrete components
• Low switching noise
• No heatsink required
• Built-in overcurrent and thermal protection
circuits
• Built-in soft start circuit (Output ON/OFF
available)...SI-8500L Series
■Applications
•Telephone power supplies
• Onboard local power supplies
■Lineup
Part Number
SI-8401L
SI-8501L
VO(V)
5.0
5.0
IO(A)
0.5
1.0
■Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Temperature Range
Symbol
VIN
IO
Top
Unit
V
A
°C
■Absolute Maximum Ratings
Unit
V
W
°C
°C
Symbol
VIN
PD
Tj
Tstg
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Ratings
SI-8400L
SI-8500L
35
1.25
3
+100
–25 to +85
Ratings
SI-8401L
7 to 33
0 to 0.5
–20 to +85
Parameter
DC Input Voltage Range
Output Current Range
Operating Temperature Range
Symbol
VIN
IO
Top
Unit
V
A
°C
■Electrical Characteristics
Unit
V
%
kHZ
mV
mV
mV/°C
mVp-p
A
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Switching Ripple
Voltage (C2=470µF)
Overcurrent Protection
Starting Current
Symbol
VO
Conditions
η
Conditions
f
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
∆VO/∆Ta
∆Vr
Conditions
IS1
Conditions
(Ta=25°C)
Ratings
SI-8501L
7 to 33
0 to 1.0
–20 to +85
Ratings
SI-8401L
min.
typ.
max.
4.80
5.00
5.20
VIN=20V, IO=0.3A
80
VIN=20V, IO=0.3A
60
VIN=20V, IO=0.3A
80
100
VIN=10 to 30V, IO=0.3A
30
40
VIN=20V, IO=0.1 to 0.4A
±0.5
20
40
VIN=20V, IO=0.3A
0.55
VIN=10V
Separate Excitation Step-down Switching Mode with Coil
SI-8400L/8500L Series
Unit
V
%
kHZ
mV
mV
mV/°C
mVp-p
A
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Switching Ripple
Voltage (C2=470µF)
Overcurrent Protection
Starting Current
Symbol
VO
Conditions
η
Conditions
f
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
∆VO/∆Ta
∆Vr
Conditions
IS1
Conditions
(Ta=25°C)
Ratings
SI-8501L
min.
typ.
max.
4.80
5.00
5.20
VIN=20V, IO=0.5A
83
VIN=20V, IO=0.5A
60
VIN=20V, IO=0.5A
70
130
VIN=10 to 30V, IO=0.5A
30
55
VIN=20V, IO=0.2 to 0.8A
±0.5
45
VIN=20V, IO=0.5A
1.1
VIN=18V


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