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SI-3000B Datasheet(PDF) 4 Page - Sanken electric

Part No. SI-3000B
Description  5-Terminal, Multi-Function, Full-Mold, Low Dropout Voltage Dropper Type
Download  5 Pages
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Maker  SANKEN [Sanken electric]
Homepage  http://www.sanken-ele.co.jp/en
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SI-3000B Datasheet(HTML) 4 Page - Sanken electric

   
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31
SI-3157B
sTa-PD Characteristics
sStandard External Circuit
SI-3025B
D1
C0
C2
C1
DC Input
VIN
DC Output
VO
5
SI-3157B
OPEN
2
3
4
1
*1
*2
++
D1
C0
R1
R2
C2
C1
DC Input
VIN
DC Output
VO
5
OPEN
2
3
4
1
SI-3025B
*1
*3
*3
*2
++
C0 : Output capacitor (47 to 100
µF)
*1 C1 : Oscillation prevention capacitor
C2
(C1: Approx. 47
µF, C2: 0.33µF)
These capacitors are required if the input line is inductive
and in the case of long wiring. Tantalum capacitors are rec-
ommended for C1 and C0, particularly at low temperatures.
*2 D1 : Protection diode
This diode is required for protection against reverse biasing
of the input and output. Sanken EU2Z is recommended.
*3 R1 : External resistor for setting output voltage
R2
Relationship between output voltage VO and external resis-
tors R1 and R2 is as follows.
VO=VREF • 1+
R1
(VREF=2.55V(typ.))
R2
R2 must be 2.55k
Ω for stable operation.
PD=IO•[VIN(mean)–VO]
qSI-3000B Series
15
10
5
0
–30
025
50
Ambient Temperature Ta (
°C)
75
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 Silicon Grease
Heatsink: Aluminum


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