English
Language : 

SI-8008HD Datasheet, PDF (2/2 Pages) Sanken electric – DC-to-DC Step-Down Converter
SI-8000HD Series
■External Dimensions (TO263-5)
(15°)
φ1.5 Dp:±0.2
Case temperature
measurement point
3-R0.3
4.5±0.2
1.3
+0.10
–0.05
(3°)
10.0±0.2
(8.0)
(4.4)
(2×R0.45)
0.88±0.10
(1.7±0.25)
12
(3°)
0.8±0.1
(1.7±0.25)
345
9.9±0.2
(3°)
2-R0.3
10.0±0.02
(3°)
(R0.3)
0.10±0.15
(3°)
2.4±0.2
(R0.3)
0 to 6°
(0.5)
(1.7±0.25)
0.8±0.1
(1.7±0.25)
(Unit : mm)
Pin Assignment
1 IN
2 SW
3 GND
4 ADJ
5 SS
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 1.48 g
■Block Diagram
1 IN
SI-8008HD
SW 2
5 SS
PReg.
OCP
ON/OFF
Soft
start
Reset
OSC
+
–
Comp.
Error Amp. –
+
+
Latch &
Drive
TSD
GND
3
VREF
ADJ
4
■Typical Connection Diagram
■Reference Data
VIN
C1
GND
1
IN
L1
SW 2
SI-8008HD
R1
ADJ 4
+
SS GND
R2
C4
5
3
Di
C3
VOUT
+
C2
GND
C1 : 1500µF
C2 : 1000µF
C3 : 0.1µF (Only when using soft-start function)
C4 : 4.7µF (GMR32ER71H475KA88L (Murata Manufacturing)
recommended)
L1 : 100µH
Di : FMB-G16L (Sanken)
The acceptable loss of the package is 3 W for the SI-8000HD
series, so some ranges are not available, depending on the
relation between the input voltage and output current.
55
When using glass-epoxy board measuring 40×40 mm
50
45
40
35
30
0
200 400 600 800 1000 1200 1400 1600 1800
Copper Laminate Area (mm2)
ICs 35