BD9111NV_14 Datasheet, PDF (2/25 Pages) Rohm – Synchronous Buck Converter with Integrated FET

BD9111NV
Pin Configuration
(TOP VIEW)
Datasheet
Figure 2. Pin Configuration
Pin Description
Pin No.
1
2
3
4
5
6
7
8
Block Diagram
Pin Name
VOUT
VCC
ITH
GND
PGND
SW
PVCC
EN
Pin Function
Output voltage pin
Power supply input pin
GmAmp output pin/connected phase compensation capacitor
Ground pin
Nch FET source pin
Pch/Nch FET drain output pin
Pch FET source pin
Enable pin (Active High)
EN
8
VREF
VVCCC C
Gm Amp.
Current
Comp
RQ
S
SLOPE
C LK
OSC
VVCCCC
Current
Sense/
Protect
+
Driver
Logic
Soft
Start
UVLO
TSD
SCP
1
3
VOUT
ITH
R ITH C ITH
Figure 3. Block Diagram
2 ^VVCCCC
5V
Input
7
P^PV^VC^CCC 22µF
2.2µH
6
SW
22µF
Output
5
PGND
4
GND
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TSZ02201-0J3J0AJ00100-1-2
02.Oct.2014 Rev.002