Description
Datasheet 4A 120KHz 45V Synchronous Buck DC to DC Converter XL9023 .
The XL9023 is a 120KHz fixed frequency PWM synchronous buck DC/DC converter, capable of driving a 4A load with high efficiency, low ripple and excelle.
Features
* Operation Voltage:5V~40V
* Output Adjustable from 1.25V to 35V
* Maximum Duty Cycle up to 100%
* Feedback Voltage Accuracy ±2%
* Fixed 120KHz Switching Frequency
* 4A Constant Output Current Capability
* Internal Optimize Power MOSFET
* High efficiency up to 95%
Applications
* Automotive Electronics
* Industrial Control
* Networking Equipment
* Internet of Things
5V~40V
VIN
VOUT=1.25
* (1+R2/R1)
SW
L1
CC
XL9023
VC
FB
CIN
GND
R2 CFF
COUT R1
Efficiency(%)
Efficiency VS Output current 100
95
90
85
80
75
70
65
60
55
50
VIN=8V,VOUT=5.