BD9161FVM_12 Datasheet, PDF (2/19 Pages) Rohm – 2.5V to 4.5V, 0.6A 1ch Synchronous Buck Converter Integrated FET

BD9161FVM
●Pin Configuration
(TOP VIEW)
Datasheet
●Pin Description
Pin No.
1
2
3
4
5
6
7
8
●Block Diagram
Fig.2 Pin Configuration
Pin name
ADJ
ITH
EN
GND
PGND
SW
PVCC
VCC
PIN function
Output voltage Feedback pin (Adjustable)
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
EN
3
VREF
VCC
Current
Comp.
Gm Amp.
RQ
SLOPE
VCC ^OSC
S
CLK
Soft
Start
UVLO
TSD
SCP
Current
Sense/
Protect
+
Driver
Logic
1
ADJ
2
ITH
VCC
8
7
PVCC
3.3V
Input
6
SW
PGND
5
4
GND
Output
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Fig.3 Block Diagram
2/17
TSZ02201-0J3J0AJ00190-1-2
02.MAR.2012 Rev.001