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SI-3000KS 데이터시트(PDF) 2 Page - Sanken electric

부품명 SI-3000KS
상세설명  Surface-Mount, Low Current Consumption, Low Dropout Voltage Linear Regulator ICs
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제조업체  SANKEN [Sanken electric]
홈페이지  http://www.sanken-ele.co.jp/en
Logo SANKEN - Sanken electric

SI-3000KS 데이터시트(HTML) 2 Page - Sanken electric

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15
ICs
SI-3000KS Series
■External Dimensions (SOP8)
(Unit : mm)
0.995max.
0.10
1.27
0.4±0.1
0.4±0.1
0.15+0.1
5.1±0.4
1.27
8765
1234
–0.05
0.12 M
Pin Assignment
q VC
w VIN
e VO
r Sence (ADJ for SI-3012KS)
t GND
y GND
u GND
i GND
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.1 g
■Block Diagram
■Typical Connection Diagram
●SI-3012KS
●SI-3025KS, SI-3033KS
●SI-3012KS
●SI-3025KS, SI-3033KS
R1, R2: Output voltage setting resistors
The output voltage can be set by connecting R1 and R2
as shown above.
The recommended value of R2 is 24 k
Ω .
R1=(VO–VADJ)
÷(VADJ/R2)
2
VIN
1
REF
VC
VO
ADJ
GND
4
8
7
6
5
3
TSD
-
+
2
VIN
1
REF
VC
VO
Sense
GND
4
8
7
6
5
3
TSD
-
+
GND
5 to 8
VIN
CIN
R1
R2
2
VO
CO
3
VC
1
ADJ
4
Load
GND
5 to 8
VIN
CIN
R2
2
VO
CO
3
VC
1
sense
4
Load
CIN: Input capacitor (22
µF or larger)
CO: Output capacitor (22
µF or larger)
For SI-3000KS series, Co has to be a low ESR capacitor.
When using the electrolytic capacitor, the SI-3000KS series may oscillate at a low temperature.
■Reference Data
Copper Laminate Area vs.
Thermal Resistance
Copper Laminate Area vs.
Power Dissipation
•Obtaining the junction temperature
Measure the temperature TL at the lead part of the GND
pin (pin 7) with a thermocouple, etc. Then, substitute
this value in the following formula to obtain the junction
temperature.
Tj=PD
× θj–L + TL
(
θj–L = 22°C/W)
Copper laminate area (mm2)
(GND terminal)
10
100
140
120
100
80
60
40
1000
Area of PC board : 40
×40mm
10
100
1.2
1
0.8
0.6
0.4
0.2
0
1000
Tj=100
°C Area of PC board : 40×40mm
Ta=25
°C
Ta=50
°C
Ta=80
°C
Copper laminate area (mm2)
(GND terminal)


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