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BD9639MWV_16 Datasheet, PDF (2/26 Pages) Rohm – Switching Regulator ICs
BD9639MWV
Pin Configuration
TOP VIEW
42 41 40 39 38 37 36 35 34 33 32 31 30 29
VVBBAATT22 43
FFBB22 44
TTEESSTT22 45
XXSSHHDDNN3 46
3
VVBBATT33 47
DDSSWW33 48
DDPPGG33 49
PPGGNNDD33 50
UUSSWW33 51
VOOUUTT33 52
FFBB33 53
FFBB11 54
VOOUUT11 55
VOOUUTT11 56
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 FFBB6611
27 Reesseervrvee
26 DDPPGG44
25 VVBBAATT44
24 VVBBAATT44
23 DDSSWW44
22 DDSSWW44
21 PPGGNNDD4 4
20 PPGGNNDD4 4
19 UUSSWW4 4
18 UUSSWW4 4
17 VOOUUTT44
16 VOOUUTT44
15 FFBB44
Pin Descriptions
Terminal
No.
Name
Equivalent Circuit
1
SW1 CH1 switching terminal
2
SW1 CH1 switching terminal
3 PGND1 CH1 DRIVER GND terminal
4 PGND1 CH1 DRIVER GND terminal
5
TEST1 Test terminal
6
VBAT Battery input terminal
7 XSHDN1 CH1 shutdown terminal
8 AGND1 Analog GND terminal
9 XSHDN24 CH2・4 shutdown terminal
10
FB5 CH5 feed buck terminal
11 PGND5 CH5 DRIVER GND terminal
12
SW5 CH5 switching terminal
13
VBAT5
CH5 DRIVER power supply
terminal
14 XSHDN5 CH5 shutdown terminal
O
O
G
G
Oï½¥G
V
G
G
Oï½¥G
G
G
O
V
Oï½¥G
Terminal
No.
Name
29
FB6
30 PGND6
31
SW6
32
LSO6
33 VBAT6
34 XSHDN6
35
RT
36 AGND2
37
VCC
38 PGND2
39 PGND2
40
SW2
41
SW2
42 VBAT2
15
FB4 CH4 feed buck terminal
G
43 VBAT2
16 OUT4 CH4 output terminal
O
44
FB2
17 OUT4 CH4 output terminal
O
45 TEST2
18
USW4
CH4 Boost side switching
terminal
19
USW4
CH4 Boost side switching
terminal
O
46 XSHDN3
O
47 VBAT3
20 PGND4 CH4 DRIVER GND terminal
G
48 DSW3
21 PGND4 CH4 DRIVER GND terminal
G
49 DPG3
22
DSW4
CH4 Buck side switching
terminal
O
50 PGND3
23
DSW4
CH4 Buck side switching
terminal
O
51 USW3
24
VBAT4
CH4 DRIVER power supply
terminal
V
52 OUT3
25
VBAT4
CH4 DRIVER power supply
terminal
V
53
FB3
26 DPG4 CH4 gate connecting terminal O
54
FB1
27 Reserve Reserve terminal
Oï½¥G
55 OUT1
28
FB61
CH6 feed buck terminal
(Constant current side)
G
56 OUT1
The letter on the right side of each pin explanation indicates the reaction if the terminal are not used.
O・・・OPEN G・・・GND O・G・・・OPEN or GND V・・・Power supply (VBAT)
Equivalent Circuit
CH6 feed buck terminal
(Constant voltage side)
G
CH6 DRIVER GND terminal
G
CH6 switching terminal
O
CH6 Load switch output terminal O
CH6 Load switch input terminal V
CH6 shutdown terminal
Oï½¥G
Triangle wave setting resistor
terminal
Analog GND terminal
G
Analog power supply terminal
V
CH2 DRIVER GND terminal
G
CH2 DRIVER GND terminal
G
CH2 switching terminal
O
CH2 switching terminal
O
CH2 DRIVER power supply
terminal
CH2 DRIVER power supply
terminal
CH2 feed buck terminal
Test terminal
V
V
G
Oï½¥G
CH3 shutdown terminal
Oï½¥G
CH3 DRIVER power supply
terminal
V
CH3 Buck side switching terminal O
CH3 gate connecting terminal
O
CH3 DRIVER GND terminal
G
CH3 Boost side switching
terminal
O
CH3 output terminal
O
CH3 feed buck terminal
G
CH1 feed buck terminal
G
CH1 output terminal
O
CH1 output terminal
O
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TSZ22111・15・001
2/22
TSZ02201-0313AA400630-1-2
09.Feb.2016 Rev.001