SI-8000Q Series
■External Dimensions (HSOP8)
(Unit : mm)
Pin Assignment
1BS
Pin 1 Mark
2IN
3SW
4GND
5FB
Enlarged View of A
0.695 TYP
5.20
A
6COMP
7EN
8SS
0.4
1.27
0.40
Plastic Mold Package Type
Flammability: UL 94V-0
Product Mass: Approx. 0.1 g
2.90
■Block Diagram
2
IN
Current
Sense
Amp
OSC
Boot
REG
OCP
1
BS
5v_ldo
0.5V
P.REG
VREF
PWM
Drive
LOGIC
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
C1:10µF/50V
(Murata:GRM55DB31H106KA87)
C2:22µF/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-8000Q
COMP
(murata: GRM18 Type)
C5:10nF
V
FB
8
FB
GND
4
C1
D1
C2
R2
(murata: GRM18 Type)
L1:10µH
6
C5
C3
I
ADJ
D1: SPB-G56S (Sanken)
SJPB-L4 (Sanken)
R1:46kΩ (Vo=5V)
R2:5.1kΩ
C6
OPEN
R3
GND
GND
R3:24kΩ
ICs
27
ETC [ ETC ]
