STR20000 View Datasheet(PDF) - Sanken Electric co.,ltd.
Part Name
Description
Manufacturer
STR20000 Datasheet PDF : 2 Pages
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s Outline Drawing/Terminal Connections (unit: mm)
15.4±0.3
9.9±0.2
4.5±0.2
1.6±0.2
Plastic Mold Package Type
Flammability: UL94V-0
36°
STR
Type
Lot number
1.2±0.15
0.6
+0.2
–0.1
2.54±0.1
±0.1 ±0.1
3.81 3.81
(7.62)
(12.7)
17.8±0.3
5°
4.0±0.1
2.54±0.1
5°
q wert
Terminal Connections
q Output Voltage Adjustment
w Output Voltage Detection
e Switching Output (backside of case)
5°
r Input
1.0±0.1
t Ground
0.6
+0.2
–0
Weight: Approx. 8.2 g
Note: Dimensions marked with * are measured at the roots of the leads.
s Block Diagram
4
Tr1
3
R1
2
R2
MIC1
Start
Circuit
R3
R4
1
Reference
Voltage
C1
R5
5
s Standard External Circuit
L=200µH
VIN
4
3
VOUT
DC Input
+
1000µF
2
DC Output
VR1
5
1
VR2 Di
+
1000µF
RU3M
GND
GND
Use VR1 and VR2 only when adjusting the output voltages.
VR1 : Vout down
VR2 : Vout up
RU3M forward voltage : 0.7V
s Typical Operating Characteristics
Rise Characteristics
10
Ta=25°C
8
6 IO
0A
1A
4 2A
2
0
0 2 4 6 8 10 12 14 16 18 20
Input Voltage VIN (V)
Efficiency Characteristics
100
90
80
70
60
50
40
30
20
10
0
0
Ta=25°C
VIN
82V0V
30V
40V
0.5 1 1.5 2 2.5
Output Current IO (A)
Ta-PD Characteristics
25
Without Mica
With Silicone Grease
20
Heatsink: Aluminum
Unit: mm
150×150×2 (3.3°C/w)
15
100×100×2 (5.2°C/w)
10
75×75×2 (7.6°C/w)
5
Without heatsink
0
–20 0 20 40 60 80 100
Ambient Temperature Ta (°C)
13
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