si-3000ks Sanken Electric Co., Ltd., si-3000ks Datasheet - Page 2

• Manufacturer Part Number: si-3000ks
• Description: Surface-mount, Low Current Consumption, Low Dropout Voltage Linear Regulator Ics
• Manufacturer: Sanken Electric Co., Ltd.

■External Dimensions (SOP8)
■Typical Connection Diagram
■Reference Data
■Block Diagram
R
The output voltage can be set by connecting R
as shown above.
The recommended value of R
1
R1=(V
V
, R
V
IN
C
●SI-3012KS
●SI-3012KS
2
2
1
: Output voltage setting resistors
140
120
100
O
80
60
40
C
–V
10
IN
Copper Laminate Area vs.
ADJ
8
1
REF
+
Thermal Resistance
0.995max.
) ÷ (V
0.4
±0.1
Copper laminate area (mm
7
2
-
+
5.1
ADJ
±0.4
(GND terminal)
0.12 M
/R2)
0.10
6
3
Area of PC board : 40×40mm
1.27
1.27
V
V
2
1
IN
C
100
5
4
5 to 8
GND
2
0.4
is 24 kΩ .
±0.1
TSD
ADJ
V
3
4
O
2
)
1000
R1
R2
C
0.15
O
3
4
8
7
6
5
1
+0.1
–0.05
and R
V
ADJ
GND
OUT
Load
2
1.2
0.8
0.6
0.4
0.2
1
0
10
Copper Laminate Area vs.
C
C
IN
O
Power Dissipation
Tj=100°C Area of PC board : 40×40mm
: Output capacitor (22 µ F or larger)
: Input capacitor (22 µ F or larger)
Copper laminate area (mm
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.
Ta=25°C
Ta=50°C
Ta=80°C
(GND terminal)
100
Pin Assignment
q V
w V
e V
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
●SI-3025KS, SI-3033KS
●SI-3025KS, SI-3033KS
V
V
IN
2
C
)
2
1
C
IN
O
C
IN
1000
REF
-
+
• Obtaining the junction temperature
Measure the temperature T
pin (pin 7) with a thermocouple, etc. Then, substitute
this value in the following formula to obtain the junction
temperature.
V
V
2
1
IN
C
5 to 8
GND
T
j
=P
sense
TSD
V
D
3
4
O
× θ
j–L
+ T
R2
C
L
O
3
4
8
7
6
5
Sense
( θ
V
GND
L
OUT
at the lead part of the GND
SI-3000KS Series
Load
j–L
= 22 ° C/W)
ICs
(Unit : mm)
15