Transcription of XL1509 Datasheet - xlsemi.com
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Datasheet 2A 150 KHz 40V buck DC to DC Converter XL1509 Rev 1 Features Wide to 40V Input Voltage Range ,5V,12V, and adjustable versions Output Adjustable from to 37V Maximum Duty Cycle 100% Minimum Drop Out Fixed 150 KHz Switching Frequency 2A Constant Output Current Capability Internal Optimize Power Transistor High efficiency Excellent line and load regulation TTL shutdown capability ON/OFF pin with
2A 150KHz 40V Buck DC to DC Converter XL1509 Rev 2.3 www.xlsemi.com ... 3.3V R 2=4 .2K 12V R2=21 .8K Switch 3 Figure3. Function Block Diagram of XL1509 Typical Application Circuit XL1 509-5.0 CIN O C1 1 05 1 80uf 35V D1 L1 68uh/2A +1 2V LOAD 1 5~8 4 2 GND VIN
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