SI-8000Y Series
■External Dimensions (TO220F-7)
(Unit : mm)
10.0±0.2
4.2±0.2
2.8±0.2
Gate burr
Pin Assignment
φ
q
w
e
r
t
y
u
BS
SW
7.6±0.1
(Measured at the root)
VIN
(3-R1)
6-0.74±0.15
GND
COMP
FB
+0.2
6-0.65
R-end
–0.1
EN/SS
+0.2
Plastic Mold Package Type
Flammability: UL94V-0
0.45
–0.1
6
×
P1.27±0.15–7.62±0.15
4.3±0.5
3.6±0.5
(Measured at the root)
Product Mass: Approx. 2.3g
0.5
0.5
1 2 3 4 5 6 7
Plan View
■Block Diagram
SI-8010Y
SI-8050Y
3
3
IN
IN
Current
Sence
Amp
Current
Sence
Amp
Pre
Pre
OSC
OSC
REG
REG
1
2
6
1
Boot
5vREG
Boot
5vREG
BS
BS
+
–
+
–
DRIVE
DRIVE
PWM
LOGIC
PWM
LOGIC
7
5
7
5
2
EN/
SS
EN/
SS
UVLD
TSD
OCP
UVLD
TSD
OCP
SW
FB
SW
EN/SS
EN/SS
6
COMP
COMP
–
–
+
–
–
+
1.0V
1.0V
FB
Amp
Amp
GND
4
GND
4
■Typical Connection Diagram
Csn1
Csn1
Rsn1
Rsn1
Vin
Vin
C5
2
C5
3
1
3
1
L1
L1
Vo
2
Vo
IN
BS
IN
BS
SW
FB
SW
FB
7
7
C1 C2
C1 C2
+
+
SI-8010Y
SI-8050Y
D1
D1
EN/SS
EN/SS
R1
R2
6
6
C3
+
C3
+
COMP GND
COMP GND
C6
C6
5
4
5
4
Csn2
Rsn2
Csn2
Rsn2
C4
R3
C4
R3
C7
C7
GND
GND
GND
GND
SI-8010Y
SI-8050Y
C1:2200µF/50V
C2:4.7µF/50V
C3:470µF/25V
C4:1200pF
C1:2200µF/50V
C2:4.7µF/50V
C3:470µF/25V
C4:1200pF
Csn1,2=2200pF (When Vin>40V)
Rsn1,2=10Ω (When Vin>40V)
Csn1,2=2200pF (When Vin>40V)
Rsn1,2=10Ω (When Vin>40V)
C5:0.22µF/50V
C7:680pF
L1:47µH
C5:0.22µF/50V
C7:680pF
L1:56µH
D1:FMW-2156 (Sanken)
R1:8kΩ (When Vo=5V)
R2:2kΩ
D1:FMW-2156 (Sanken)
R3:39kΩ
R3:39kΩ
ICs
49
ETC [ ETC ]
