SI-8100QL Series
■External Dimensions (DIP8)
(Unit : mm)
8
7
6
5
Pin Assignment
1 BS
1
2
3
4
2 IN
9.4±0.3
3 SW
7.6
1.0+0.3
4 GND
5 FB
-
0.05
1.5+0.3
-
0.05
6 COMP
7 EN
8 SS
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.49 g
0.5±0.1
M
0.25
2.54
0° to 15°
0.89 TYP
■Block Diagram
2
IN
Current
Sense
Amp
OSC
Boot
REG
OCP
1
5v_ldo
0.5V
BS
P.REG
VREF
PWM
LOGIC
Drive
ON
OFF
7
EN
3
SW
OVP
TSD
5v_ldo
5
FB
6
COMP
Amp
UVLO
0.5V
4
GND
8
SS
■Typical Connection Diagram
C1:10µ F/50V
(Murata: GRM55DB31H106KA87)
C2:22µ F/16V
V
IN
(Murata: GRM32ER71A226KE20)
C3:560pF
C4
2
IN
1
BS
V
O
L1
(Murata: GRM18 Type)
C4:10nF
SW
7
3
5
EN
SS
R1
SI-8105QL
(Murata: GRM18 Type)
C5:10nF
V
FB
8
FB
GND
C1
D1
C2
COMP
(Murata: GRM18 Type)
L1:10µ H
R2
6
C5
C3
IADJ
D1:SPB-G56S (Sanken)
SJPB-L4 (Sanken)
R1:46kΩ (When Vo = 5 V)
R2:5.1kΩ
C6
OPEN
R3
GND
GND
R3:24kΩ
ICs
43
ETC [ ETC ]
