BD9D321EFJ Datasheet, PDF (3/28 Pages) Rohm – 4.5V to 18V Input, 3.0A Integrated MOSFET 1ch Synchronous Buck DC/DC Converter

BD9D321EFJ
Block Diagram
VOUT
Thermal
Protection
EN
UVLO
SS ^TSD
4
Soft
Start
VREG
3
VIN
TSD
5V REG
VREG
VREG
On Time
Controller
Block
BG
BG
RQ
S
EN
ZERO _Driver
SW
OCP _Circuit
FB
2
REF
SS
UVLO
OCP
TSD
EN
1 EN Logic
UVLO
Datasheet
VIN
VIN
8
BOOT
7
6
SW
VOUT
5
GND
Figure 3. Block Diagram
www.rohm.co.jp
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111•15•001
3/25
TSZ02201-0J3J0AC00490-1-2
07.Aug.2013 Rev.001