40V,2.4A, 200K, Sensorless CC/CV Step-Down Converter

Topology: Buck
Input Voltage (min.): 4.00 V
Input Voltage (max.): 40.00 V
Switching Frequency (min.): 180.00 kHz
Switching Frequency (max.): 220.00 kHz
Output 1: 5.00 V / 2.400 A

Original publication on 2016-12-07, revision 0.3


The XP4202 is a high frequency activeCC/CV step-down switching regulator withintegrated internal high-side high voltagepower MOSFET. It operate in either CV(Constant Output Voltage)Mode or CC(Constant Output Current)Mode. provides2.4A output with current mode control forfast loop response and easy compensation.The wide 4V to 40V input rangeaccommodates a variety of step-downapplications, including those in automotiveinput environment


  •  Wide 4V to 40V Operating Input Range Adjustable Output Voltage from 0.8V to36V 200mohm Internal Power MOSFET 200K Fixed Switching Frequency Vout Accuracy +/-2% Low Quiescent Current 350uA Low Shut down Current <1ua Ceramic Capacitor Stable External current limit setting Small Inductor selection Internal Soft-Start Up to 95% Efficiency Built in adjustable line-compensation Under Voltage Lockout, Over Current,Short Current, Over voltage andThermal Protection Operating Temperature:
  • 40oC to +85°C Available in SOP8-PP Package RoHS Compliant and 100% Lead(Pb)-Free


  Order Code SPEC Product series L
RDC typ.
RDC max.
Bauform Version Samples
744771122 PDF WE-PD SMT Power Inductor 22 3.37 3.77 31 36 13.5 1260 Standard