Description
OB2105 High Performance Synchronous Buck Converter GENERAL .
OB2105 is a wide input voltage, high-efficiency, high performance synchronous-rectified buck converter.
Features
* Wide 6V to 35V Operating Input Range
* Synchronous Operating without External
Schottky Diode.
* Simplified External Device Requirement.
* 90.5% efficiency at VOUT 5.0V 1A, VIN 12V.
* Fixed 160KHz Frequency.
* Multi-Stage Short Circuit Protection and
Hiccup Mode.
* VIN/V
Applications
* Home Appliances
* White Goods
* Stand-By Power Supply
TYPICAL APPLICATION
VIN=6V~35V
C1
C2
VIN
SW
GND
SW
L1
VOUT=5V
R1
C4
OB2105
GND
NC
C3
Vo
BST
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Preliminary Datasheet OB_DOC_DS_210503
OB2105
High Performance Synchronous Buck