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SI-8050W 数据表(PDF) 1 Page - Sanken electric

部件名 SI-8050W
功能描述  Surface-Mount Separate Excitation Step-down Switching Mode Regulator ICs
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制造商  SANKEN [Sanken electric]
网页  http://www.sanken-ele.co.jp/en
标志 SANKEN - Sanken electric

SI-8050W 数据表(HTML) 1 Page - Sanken electric

  SI-8050W Datasheet HTML 1Page - Sanken electric SI-8050W Datasheet HTML 2Page - Sanken electric  
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44
ICs
■Features
• Surface-mount package (SOP8)
• Output current: 0.6A
• High efficiency: 75 to 80%
• Requires only 4 discrete components
• Internally-adjusted phase correction and
output voltage adjustment performed internally
• Built-in reference oscillator (60kHz)
• Built-in overcurrent and thermal protection
circuits
■Electrical Characteristics
(Ta=25
°C)
Unit
V
%
kHZ
mV
mV
mV/
°C
dB
A
Parameter
Output Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient of Output Voltage
Ripple Rejection
Overcurrent Protection Starting
Current
Symbol
VO
Conditions
η
Conditions
f
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
∆VO/∆Ta
RREJ
Conditions
IS1
Conditions
■Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
35
1
–30 to +125
–40 to +125
22
100
Symbol
VIN
PD
Tj
Tstg
θj-L
θj-a
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to 7-Pin Lead)
Thermal Resistance (Junction to Ambient Air)*1
■Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Junction Temperature Range
Symbol
VIN
IO
Tjop
Unit
V
A
°C
Ratings
SI-8033W
SI-8050W
5.3 to 28
7 to 33
0 to 0.6
–30 to +125
*1: Glass-epoxy board of 40
× 40mm (copper laminate area 4.3%)
Ratings
SI-8033W
SI-8050W
min.
typ.
max.
min.
typ.
max.
3.17
3.30
3.43
4.80
5.00
5.20
VIN=15V, IO=0.3A
VIN=20V, IO=0.3A
75
80
VIN=15V, IO=0.3A
VIN=20V, IO=0.3A
60
60
VIN=15V, IO=0.3A
VIN=20V, IO=0.3A
60
80
80
100
VIN=8 to 28V, IO=0.3A
VIN=10 to 30V, IO=0.3A
20
30
30
40
VIN=15V, IO=0.1 to 0.4A
VIN=20V, IO=0.1 to 0.4A
±0.5
±0.5
45
45
f=100 to 120HZ
f=100 to 120HZ
0.61
0.61
VIN=15V
VIN=20V
Surface-Mount, Separate Excitation Step-down Switching Mode Regulator ICs
SI-8000W Series
1-1-2 Switching Mode Regulator ICs
■Applications
•Power supplies for telecommunication equipment
• Onboard local power supplies


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