SI-8000HFE Series
■External Dimensions (TO220F-5)
(Unit : mm)
0.2
4.2
2.8
0.2
0.2
10.0
φ
Pin Assignment
0.1
q
w
e
r
t
VIN
2.6
SW
GND
0.15
0.95
0.85
ADJ (VOS for SI-8050HFE)
SS
+0.2
–0.1
+0.2
–0.1
0.7
P1.7 0.7×4=6.8
0.45
Plastic Mold Package Type
Flammability: UL94V-0
0.7
(4.3)
0.7
3.9
Product Mass: Approx. 2.3g
8.2
1
2 3 4 5
■Block Diagram
SI-8008HFE
SI-8050HFE
SW
SW
2
1
5
IN
1
5
IN
2
Overcurrent
Protection
PReg.
Overcurrent
Protection
PReg.
ON/OFF
ON/OFF
Latch &
Drive
Latch &
Drive
Reset
ON/OFF
Soft Start
Reset
ON/OFF
Soft Start
OSC
OSC
+
ADJ
Vos
+
–
Thermal
Protection
Thermal
Protection
–
4
4
Comp.
Comp.
+
Error Amp.
Error Amp.
–
+
+
+
–
Reference
Voltage
Reference
Voltage
GND
GND
3
3
■Typical Connection Diagram
V
OUT
+
V
OUT
V
IN
L
V
IN
L
SW
SW
1
IN
1
IN
2
2
+
+
+
C1
C4
5
Di
C2
C1
C4
5
Di
C2
PReg.
PReg.
ON/OFF
ON/OFF
R1
R2
SI-8008HFE
SI-8050HFE
C3
C3
4
ADJ
ADJ
+
–
+
–
4
–
+
+
+
–
GND
GND
3
3
C1 : 1500µF
C2 : 1000µF
C3 :1µF (Only when using soft-start function)
C4 :4.7µF (RPER11H475K5 (Murata Manufacturing) recommended)
L1 :100µH
Di : FMB-G16L (Sanken)
ICs
47
ETC [ ETC ]
