BD9102FVM_09 データシートの表示（PDF） - ROHM Semiconductor
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BD9102FVM_09
ROHM Semiconductor
BD9102FVM_09 Datasheet PDF : 18 Pages
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BD9102FVM, BD9104FVM, BD9106FVM
●Block diagram, Application circuit
【BD9102FVM,BD9104FVM】
1 VOUT
2 ITH
3 EN
4 GND
VCC 8
PVCC 7
SW 6
PGND 5
TOP View
EN 3
VREF
VCC
Current
Comp.
RQ
Gm Amp.
S
SLOPE
CLK
VCC OSC
Soft
Start
UVLO
TSD
Current
Sense/
Protect
+
Driver
Logic
1
VOUT
2
ITH
Technical Note
VCC
8
7
PVCC
5V
Input
10μF
4.7μH
6
SW
10μF
Output
5
PGND
4
GND
Fig.37 BD9102FVM BD9104FVM TOP View
BD9106FVM
1 ADJ
2 ITH
3 EN
4 GND
VCC 8
PVCC 7
SW 6
PGND 5
TOP View
Fig.38 BD9102FVM BD9104FVM Block diagram
VCC
EN 3
VREF
Current
Comp.
RQ
Current
Sense/
Protect
VCC
8
7
PVCC
5V
Input
10μF
Gm Amp.
S
SLOPE
CLK
VCC OSC
Soft
Start
UVLO
TSD
+
Driver
Logic
4.7μH
6
SW
10μF
Output
5
PGND
4
GND
1
ADJ
2
ITH
Fig.39 BD9106FVM TOP View
●Pin No. & function table
Pin No.
1
2
3
4
5
6
7
8
Pin name
VOUT/ADJ
ITH
EN
GND
PGND
SW
PVCC
VCC
Fig.40 BD9106FVM Block diagram
PIN function
Output voltage detect pin/ ADJ for BD9106FVM
GmAmp output pin/Connected phase compensation capacitor
Enable pin(Active High)
Ground
Nch FET source pin
Pch/Nch FET drain output pin
Pch FET source pin
VCC power supply input pin
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7/17
2009.05 - Rev.A
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