BD9528MUV データシートの表示（PDF） - ROHM Semiconductor
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BD9528MUV Datasheet PDF : 34 Pages
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BD9528MUV
●Output condition table
Input
CTL
EN1
EN2
REG1(5V)
Low
Low
Low
OFF
Low
Low
High
OFF
Low
High
Low
OFF
Low
High
High
OFF
High
Low
Low
ON
High
Low
High
ON
High
High
Low
ON
High
High
High
ON
※ CTL pin is connected to VIN pin with 1MΩ resistor(pull up) internal IC.
※ EN pin is connected to AGND pin with 1MΩ resistor(pull down) internal IC.
Technical Note
Output
REG2(3.3V)
DC/DC1
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
ON
ON
ON
DC/DC2
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
●Block Diagram, Application circuit
FS2
10
5
PGOOD2
FB2
11
6
SS2
ILIM2
8
EN2
4
3 2 1 31
32
22 23 24 26
25
REG1
REG1
CL2
SCP2
OVP2
Short through
Protection
Circuit
SLLMTM
Block
MCTL
H3RegTM
Controller
FS2
Block
MCTL
Short through
Protection
Circuit
SLLMTM
Block
CL1
SCP1
OVP1
H3RegTM
FS1
Controller
Block
EN2
EN1
Thermal
Protection
Reference
Block
5V
3.3V
Reg
Reg
AGND
13
FS1 RFS1
15
20
PGOOD1
FB1
14
REF
12
SS1
19
ILIM1
17
EN1
21
7
9
30
29
28
18 16
27
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5/33
2010.03 - Rev.A
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