SI-8000E Series
■External Dimensions (TO220F-5)
(Unit : mm)
4.2±0.2
2.8±0.2
10.0±0.2
φ
2.6±0.1
Pin Assignment
q VIN
0.95±0.15
w SWOUT
e GND
r VOS
+0.2
0.85
–0.1
+0.2
–0.1
t N.C
0.45
P1.7±0.7×4=6.8±0.7
3.9±0.7
(4.3)
8.2±0.7
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 2.3g
1
2
3
4
5
Forming No. 1101
■Block Diagram
■Typical Connection Diagram
5V : 200µH
V
IN
1
2
SWOUT
OCP
L
1
VIN
V
O
2
1
Reg.
VIN
SWOUT
OSC
Reset
Amp.
TSD
SI-8000E
Drive
D
1
+
+
Comp.
AK06
(Sanken)
C
100µF
1
C2
330µF
VOS
4
4
V
OS
GND
3
NC
5
VREF
GND
GND
3
5
GND
N.C
■Ta-PD Characteristics
15
100
VO
Infinite heatsink
PD=VO·IO
–1 –VF·IO 1–
With Silicone Grease
Heatsink: Aluminum
ηχ
VIN
The efficiency depends on the input voltage and the output cur-
rent. Therefore, obtain the value from the efficiency graph and
substitute the percentage in the formula above.
10
VO : Output voltage
VIN : Input voltage
IO : Output current
ηx : Efficiency (%)
VF : Diode D1 forward voltage
0.4V(AK06)
5
Without heatsink
0
–30
0
25
50
75
100
125
Operating Ambient Temperature T
a (°C)
Thermal design for D1 must be considered separately.
ICs
33