SI-8000FD Series
■External Dimensions (TO263-5)
(Unit : mm)
Case temperature
measurement point
0.2
10.0
(8.0)
(4.4)
(15°)
0.2
4.5
+0.10
–0.05
1.3
3-R0.3
Pin Assignment
1 IN
0.2
(2×R0.45)
(3°)
φ1.5 Dp:
2 SW
0.15
0.10
3 GND (Common to the rear side of the
(3°)
(3°)
product)
4 VADJ
0.2
2.4
(R0.3)
5 SS or Vc
0.10
0.25
0.88
(1.7
(R0.3)
0 to 6°
(0.5)
0.1
0.1
0.8
(1.7
Plastic Mold Package Type
Flammability: UL 94V-0
0.8
(1.7
0.25
0.25
0.25
)
(1.7
)
)
)
1
2
3
4
5
0.2
Product Mass: Approx. 1.48g
9.9
(3°)
(3°)
2-R0.3
0.02
10.0
■Block Diagram
SI-8001FDE
SI-8001FDL
SW
1
5
IN
SW
2
1
5
VIN
2
PReg.
PReg.
OCP
OCP
SS
VC
Latch &
Drive
Latch &
ON/OFF
Soft
start
Reset
Drive
Reset
ON/OFF
OSC
OSC
ADJ
TSD
V
ADJ
+
–
TSD
4
4
Comp.
Comp.
Error Amp.
Error Amp.
–
+
+
VREF
VREF
GND
3
GND
3
■Typical Connection Diagram
L1
L1
1
2
4
1
2
SW
V
OUT
SW
V
OUT
V
IN
IN
V
IN
IN
R1
R2
R1
R2
SI-8000FDE
SI-8001FDL
4
+
+
ADJ
ADJ
C2
C2
+
+
SS
GND
3
Vc
GND
3
C
1
C
1
5
5
Di
Di
I
ADJ
IADJ
C
3
GND
GND
GND
GND
C1 : 470µF
C2 : 680µF
C1 : 470µF
C2 : 680µF
L1 : 47µH
C3 : 0.1µ (Only when using soft-start function)
L1 : 47µH
Di : SPB-G56S (Sanken)
Di : SPB-G56S (Sanken)
ICs
29
ETC [ ETC ]
