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BD9102FVM Datasheet(PDF) 7 Page - Rohm

Part # BD9102FVM
Description  Output 1.5A or Less High Efficiency Step-down Switching Regulators with Built-in Power MOSFET
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD9102FVM Datasheet(HTML) 7 Page - Rohm

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BD9102FVM, BD9104FVM, BD9106FVM
Technical Note
7/17
www.rohm.com
2009.05 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
●
Block diagram, Application circuit
【
BD9102FVM,BD9104FVM】
Fig.37 BD9102FVM BD9104FVM TOP View
Fig.38 BD9102FVM BD9104FVM Block diagram
Fig.39 BD9106FVM TOP View
Fig.40 BD9106FVM Block diagram
●
Pin No. & function table
Pin No.
Pin name
PIN function
1
VOUT/ADJ
Output voltage detect pin/ ADJ for BD9106FVM
2
ITH
GmAmp output pin/Connected phase compensation capacitor
3
EN
Enable pin(Active High)
4
GND
Ground
5
PGND
Nch FET source pin
6
SW
Pch/Nch FET drain output pin
7
PVCC
Pch FET source pin
8
VCC
VCC power supply input pin
8
7
6
5
VCC
PVCC
SW
PGND
1
2
3
4
VOUT
ITH
EN
GND
TOP View
8
7
6
5
VCC
PVCC
SW
PGND
1
2
3
4
ADJ
ITH
EN
GND
TOP View
BD9106FVM
VREF
OSC
UVLO
TSD
Current
Sense/
Protect
Driver
Logic
+
Soft
Start
8
7
6
5
4
2
1
3
RQ
S
EN
VCC
PVCC
10μF
5V
Input
4.7μH
SW
10μF
Output
PGND
GND
ITH
VOUT
VCC
SLOPE
Current
Comp.
Gm Amp.
VCC
CLK
VREF
OSC
UVLO
TSD
Current
Sense/
Protect
Driver
Logic
+
Soft
Start
8
7
6
5
4
2
1
3
RQ
S
EN
VCC
PVCC
10μF
5V
Input
4.7μH
SW
10μF
Output
PGND
GND
ITH
ADJ
VCC
SLOPE
Current
Comp.
Gm Amp.
VCC
CLK


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