XCL231 Datasheet | Torex Semiconductor

XCL230/XCL231 Series is Not Remended for New Designs. XCL230/XCL231 Series 36V, 600m A Inductor Built-in Step-down “micro DC/DC” Converter ETR28019-003 - GENERAL DESCRIPTION The XCL230/XCL231 Series is a small (3.0mm×3.0mm, h=1.7mm) 36V, 600m A step-down DC/DC converter with an integrated control IC and coil. Integrating the coil makes for easier circuit board layout and minimizes malfunction and noise from the ponent and wiring layout. The input voltage range is 3.0 to 36V, the switching frequency is 1.2MHz, and a synchronous rectification circuit is used to achieve a stable power supply at high efficiency. The XCL230 Series fixes the operation frequency using PWM control to suppress output ripple voltage. The XCL231 Series automatically switches between PWM and PFM control to reduce loss by lowering the operation frequency during low loads to achieve high efficiency across the entire range from low to high loads. A 0.75V standard voltage supply is built in, and the output voltage can be set to 1.0V to 5.0V using an external resistance. The soft start time is internally set to 2.0ms, and a time that is longer than the internal soft-start can be freely set depending on the resistance and capacity connected to the EN/SS pin. An overcurrent protection function and thermal shutdown function are built in as protective functions to ensure safe use in the event of a short circuit. - APPLICATIONS - Electricity Meters - Gas Detectors - Various Sensors - Industrial Equipment - Home Appliances - Features Input Voltage Range Output Voltage Range FB Voltage Output Current Oscillation Frequency Efficiency Control Methods Function Protection Circuits Output Capacitor Operating Ambient Temperature Packages Environmentally Friendly : 3.0V ~ 36V (Absolute Max 40V) : 1.0V ~ 5.0V : 0.75V ± 1.5% : 600m A : 1.2MHz : 86%(VIN=12V,VOUT=5V, IOUT=300m A) : PWM control (XCL230) : PWM/PFM Auto (XCL231) : Soft-start External settings Power good : Over Current Protection (Automatic...