Is Now Part of To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductors system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore ( ), the underscore ( ) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore ( ). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at www.onsemi.com. Please email any questions regarding the system integration to Fairchild questions onsemi.com. ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductors product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor 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 ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. Typical parameters which may be provided in ON Semiconductor 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. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor 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 ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor 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 ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.FHR1200 Micro-Power, Ultra Wide Voltage Regulator February 2014 FHR1200 Micro-Power, Ultra Wide Voltage Regulator Features Description Low Operating Current: 12 A Max. The FHR1200 is a high-efficiency regulator that outper- Option to Direct Drive Feedback Pin forms the typical shunt regulator in applications where low operating power, wide temperature, and wide voltage on PWM Controllers range is important. The regulator also features better sta- Programmable Output: 7.5 V to 100 V bility and faster response than many existing regulators. Wide Operating Temperature Range: -55C to +150C Output Voltage Accuracy: 2% Unlike the LM431 type of part, the FHR1200 can directly Excellent Output Voltage Compensation: -30 PPM/C drive a power supply controller thus saving parts count and circuit complexity in many applications. This also Sink Current Capability: 10 A to 50 mA makes the FHR1200 ideal for non-isolated secondary Small Package: SC70-6 (SOT363) side, primary side, and floating regulation. Non-isolated secondary side regulation saves the cost of OPTOs and Applications simplifies the power supply design. Primary-Side Regulation in Flyback SMPS The FHR1200 is very flexible and can be used in many Secondary-Side Regulation in Flyback SMPS diverse applications. For example: V regulators to High Input Voltage SMPS CC >100 volts, small additional auxiliary power supplies, pro- o Smart Meter grammable precision zener diodes (both high and low o Industrial Motor Control power), plus numerous analog circuits. o Wireless Infrastructure The FHR1200 is packaged in space-saving surface- Industrial and Street Lighting LED Power Supplies mount SC70-6 (SOT363) to minimize layout space and cost. Typical Application CAPACITORS VAC INPUT VDC and IN RECTIFIERS OUT BALANCE PWM TRANSISTOR CONTROLLER SWITCH FB FHR1200 OPTOCOUPLER Figure1. Flyback Power Supply Secondary-Side Regulation Ordering Information Part Number Top Mark Package Packing Method Remarks FHR1200 FH SC70-6 (SOT363) Tape and Reel 3000 pcs, Reel Size is 7 2013 Fairchild Semiconductor Corporation www.fairchildsemi.com FHR1200 Rev. 1.0.1 1