Features
Wide 4.5V to 40V Input Voltage Range
3.3V,5V,12V, and adjustable versions
Output Adjustable from 1.23V to 37V
Maximum Duty Cycle 100%
Minimum Drop Out 1.5V
Fixed 150KHz Switching Frequency
3A Constant Output Current Capability
Internal Optimize Power Transistor
High efficiency
Excellent line and load regulation
TTL shutdown capability
ON/OFF pin with hysteresis function
Built in thermal shutdown function
Built in current limit function
Built in second current limit function
Available in TO-252 package
Featuresn Wide 4.5V to 40V Input Voltage Rangen 3.3V,5V,12V, and adjustable versionsn Output Adjustable from 1.23V to 37Vn Maximum Duty Cycle 100%n Minimum Drop Out 1.5Vn Fixed 150KHz Switching Frequencyn 2A Constant Output Current Capabilityn Internal Optimize Power Transistorn High efficiencyn Excellent line and load regulationn TTL shutdown capabilityn ON/OFF pin with hysteresis functionn Built in thermal shutdown function n Built in current limit functionn Built in second current limit functionn Available in SOIC8 package
30V P-CHANNEL POWER MOSFETDESCRIPTIONThe UT4435 uses advanced trench technology to provideexcellent RDS(ON), low gate charge and operation with low gatevoltages. This device is suitable for use as a load switch or inPWM applications.FEATURES* RDS(ON)≤20mΩ @VGS=-10V* RDS(ON)≤ 35mΩ @VGS=-4.5V* Low capacitance* Low gate charge* Fast switching capability* Avalanche energy specified