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SI-8000S 数据表(PDF) 2 Page - Sanken electric

部件名 SI-8000S
功能描述  Full-Mold, Separate Excitation Step-down Switching Mode
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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-8000S 数据表(HTML) 2 Page - Sanken electric

  SI-8000S_11 Datasheet HTML 1Page - Sanken electric SI-8000S_11 Datasheet HTML 2Page - Sanken electric  
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41
ICs
SI-8000S Series
■External Dimensions (TO220F-5)
(Unit : mm)
■Block Diagram
■Typical Connection Diagram
■Ta-PD Characteristics
The efficiency depends on the input voltage and the output current.
Therefore, obtain the value from the efficiency graph and substi-
tute the percentage in the formula above.
VO : Output voltage
VIN : Input voltage
IO
: Output current
ηx: Efficiency (%)
VF : Diode D1 forward voltage
0.5V(RK46)
Thermal design for D1 must be considered separately.
Pin Assignment
q VIN
w SWOUT
e GND
r VOS
t S.S
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 2.3g
Forming No. 1101
10.0
±0.2
4.2
±0.2
0.95
±0.15
8.2±0.7
2.6±0.1
3.9±0.7
(4.3)
0.85
+0.2
–0.1
0.45
+0.2
–0.1
12 3 4 5
P1.7±0.7×4=6.8±0.7
2.8
±0.2
2
Reg.
OCP
OSC
Reset
Amp.
TSD
VREF
Comp.
Drive
1
4 VOS
VIN
SWOUT
GND
S.S.
53
VIN
C1
D1
L1
VIN
VO
GND
S.S
GND
GND
SI-8000S
SWOUT
VOS
1
2
3
+
C2
+
5
4
C1,2 : 1000µF
L1
: 150µH
D1
: RK46(Sanken)
15
20
10
5
0
–25
0
25
50
Operating Ambient Temperature Ta (°C)
75
125
100
200×200×2mm
(2.3°C/W)
100×100×2mm
(5.2°C/W)
75×75×2mm
(7.6°C/W)
Infinite heatsink
Without heatsink
With Silicone Grease
Heatsink: Aluminum
PD=VO•IO
100
–1
–VF•IO 1–
VO
ηχ
VIN


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