ON Semiconductor Is Now To learn more about onsemi, please visit our website at www.onsemi.com onsemi andand other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba onsemi or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without notice. The information herein is provided as-is and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by onsemi. Typical parameters which may be provided in onsemi data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customers technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and holdo nsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others. CAT6243 LDO Voltage Regulator - Adjustable CMOS 1 A Description www.onsemi.com The CAT6243 is a low dropout CMOS voltage regulator providing up to 1000 mA of output current with fast response to load current and WDFN6 line voltage changes. CAT6243 offers a user adjustable output voltage 3 x 3 mm from 0.8 V to 5.0 V and its low quiescent current make CAT6243 ideal CASE 511AP for energy conscious designs. CAT6243 is available in a DPAK5 5lead packages and in a space saving 3 mm x 3 mm WDFN6 package with a power pad for heat sinking to the PCB. DPAK5 TO252 Features CASE 369AE Guaranteed 1000 mA Continuous Output Current V : 0.8 V to 5.0 V OUT PIN CONNECTIONS Dropout Voltage of 350 mV Typical at 1000 mA (Top Views) 2.0% Output Voltage Accuracy at Room Temperature 1 EN VIN Noload Ground Current of 70 A Typical GND ADJ Fullload Ground Current of 140 A Typical VOUT BYP Zero Current Shutdown Mode Under Voltage Lockout Stable with Ceramic Output Capacitors GND (Tab) Current Limit and Thermal Protection 4 and 5 Lead DPAK5 and 3 mm x 3 mm WDFN6 Power Packages 15 These Devices are PbFree, Halogen Free/BFR Free and are RoHS Compliant Typical Applications DSP Core and I/O Voltages FPGAs, ASICs ORDERING INFORMATION PDAs, Mobile Phones, GPS See detailed ordering and shipping information in the package dimensions section on page 16 of this data sheet. Camcorders and Cameras Hard Disk Drives Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: September, 2019 Rev. 10 CAT6243/D ADJ VOUT GND VIN EN