bd9757mwv ROHM Co. Ltd., bd9757mwv Datasheet - Page 3

• Manufacturer Part Number: bd9757mwv
• Description: 8-channel Switching Regulator Controller For Digital Camera
• Manufacturer: ROHM Co. Ltd.

○Block Diagram
○Package
B D ９ ７ ５ ７ M W
LOT No.
Fig.1
REV. A
Fig.3
○Pin Description
○Pin Assignment
34
43
35
36
37
38
39
40
41
42
44
PGND13, 24, 5, 678
INV8
HS7L
HS78H
LX8
HS8L
PGND678
LX7
OUT6
UPIC8
STB7
STB6
STB13,2,4,5,6,7
INV1,2,3,4,5,7,8
HS7L,HS8L
Lx1, , 2, 3, 4, 5, 7, 8
Hx1,2,3,4,5
VCCOUT
VREGA
VREF6
UPIC8
VBAT
OUT6
NON6
HS78H
端子名
INV8I
GND
33
1
32
2
31
BD9757MWV
3
30
4
29
5
Input for battery voltage
Power Supply Input Terminal voltage
(Input CH1 output voltage)
Ground terminal
Ground terminal for internal FET
VREGA Output
CH6 base bias voltage
Terminal for connecting gate of CH6 PMOS
Input terminal for synchronous
High side switch, Power supply
for Pch Driver
Terminal for connecting inductors
Power supply for internal load switch
Output terminal for internal load switch
Error AMP inverted input
Error AMP non-inverted input
Error AMP inverted input
ON/OFF switch
H: operating over 1.5V
CH8 ON/OFF switch、
for CH8 brightness control
Fig.2
28
6
27
7
26
8
25
9
10
24
機
23
11
PGND13
PGND13
VBAT
STB13
INV1
HX1
HX1
LX1
LX1
LX3
HX3
能
19
18
17
16
15
14
13
12
22
21
20
3/4