SI-8000HD Series
■External Dimensions (TO263-5)
(Unit : mm)
Case temperature
measurement point
0.2
10.0
(8.0)
(4.4)
(15°)
0.2
4.5
Pin Assignment
+0.10
–0.05
1.3
3-R0.3
1
2
3
4
5
IN
SW
GND
ADJ
SS
0.2
(2×R0.45)
(3°)
φ1.5 Dp:
0.15
0.10
(3°)
(3°)
0.2
2.4
(R0.3)
Plastic Mold Package Type
Flammability: UL 94V-0
0.10
0.25
0.88
(1.7
(R0.3)
0 to 6°
(0.5)
0.1
0.1
0.8
(1.7
0.8
(1.7
Product Mass: Approx. 1.48 g
0.25
0.25
0.25
)
(1.7
)
)
)
1
2
3
4
5
0.2
9.9
(3°)
(3°)
2-R0.3
0.02
10.0
■Block Diagram
SI-8008HD
SW
1
5
IN
2
PReg.
OCP
SS
Latch &
Drive
ON/OFF
Soft
start
Reset
+
OSC
ADJ
TSD
–
4
Comp.
Error Amp.
–
+
+
VREF
GND
3
■Typical Connection Diagram
■Reference Data
L1
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.
1
2
4
SW
VOUT
V
IN
IN
R1
SI-8008HD
+
ADJ
+
SS
GND
C
2
R2
C1
5
3
C
4
55
Di
When using glass-epoxy board measuring 40×40 mm
C
3
50
GND
GND
45
40
35
30
C1 :1500µF
C2 :1000µF
C3 :0.1µF (Only when using soft-start function)
C4 :4.7µF (GMR32ER71H475KA88L (Murata Manufacturing)
0
200
400
600
800
1000 1200 1400 1600 1800
recommended)
L1 :100µH
Copper Laminate Area (mm2)
Di :FMB-G16L (Sanken)
ICs
31
ETC [ ETC ]
