BD9526AMUV Datasheet, PDF (3/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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○Physical Dimensions
5.0±0.1
D9526A
Lot No.
S
0.08 S
C0.2 ^3.4±0.1
1
8
32
9
25
24
0.75
0.5
16
17
0.25^+-00..0045
○Block Diagram, Application Circuit
VQFN032-V5050
(UNIT : mm)
FS2
11
RFS2
REG2
FB2
10
REF2
8
9
54 312
INT
VCC
CL2
SCP2
Short through
Protection
Circuit
SLLM^TM
Block
MCTL2
H³Reg^TM
Controller
FS2
Block
20 21 22 24 23
INT
VCC
MCTL1
Short through
Protection
Circuit
SLLM^TM
Block
H³Reg^TM
FS1
Controller
Block
CL1
SCP1
EN2
TEST2
(Vo2±5%)
EN1
TEST1
(Vo1±5%)
Thermal
Protection
VIN2
5V
3.3V
Reg
Reg
AGND
13
DGND
7
FS1
14
RFS1
FB1
15
REF1
17
REG2
Is+1
16
31
32
Reference
Block
VIN1
3.3V
Reg
6
25 18
27
12
EN1
26
28
30
29
19
○Pin Description
PIN No. PIN Name
1
LG2
2
PGND2
3
SW2
4
HG2
5
BOOT2
6
TEST2
7
DGND
8
REF2
9
Is+2
10
FB2
11
FS2
12
MCTL
13
AGND
14
FS1
15
FB1
16
Is+1
17
REF1
18
CTL
19
TEST1
20
BOOT1
21
HG1
22
SW1
23
PGND1
24
LG1
25
VIN1
26
EN1
27
REG1
28
EXTVCC
29
REG2
30
INTVCC
31
EN2
32
VIN2
-
FIN
＊Apply the supply voltage EXTVCC pin after INTVCC pin is operated.
REV. B