Product Brief TLF50211EL 2.2MHz Buck Converter 5V, 500mA, with Enable and Low Quiescent Current The TLF50211EL is part of the TLF502x1-family of DC/DC buck converters offering various features sets like Enable, Reset and Watchdog. It is coming with integrated power transistor and is providing: 500mA output current at 5V (±2%) 100% duty-cycle Wide input voltage range from 4.75V up to 45V Ultra-low current consumption of less than 45µA PWM- to PFM-mode Adjustable switching frequency of up to 2MHz Integrated compensation and soft-start function Enable function Cycle-by-cycle current limitation Over-temperature shutdown Key Features Ultra low current consumption High switching frequency Integrated soft-start Integrated compensation TLF50211EL: Enable Protection functions Family pin-out PG-SSOP-14 EP AEC-qualified Key Benefits Application Diagram DIN 1N4004 +VB TLF50211EL 13 VS CIN1 4.7µF SWO 11 CIN2 100nF Less external components LB 10µH 1644496 DB 10BQ100 Smaller filter elements Cout1 10µF Cout2 V 100nF out PWM-Logic Osc Sync FREQ 5 Error AMP Applications FB 7 Automotive general purpose Automotive Body GND 9, 10, EP RFREQ 43kΩ Type Description Ordering Code TLF50211EL 2.2MHz Step-Down Buck Converter 5V; 500mA, low quiescent current; Enable SP000952282 www.infineon.com/TLF50211EL and flexibility Driver 14 EN 4 SYNC Reduced design efforts Product Brief TLF50211EL 2.2MHz Buck Converter 5V, 500mA, with Enable and Low Quiescent Current Application Board Detail: Buck-Core The buck-core is designed with the aim to be reproduced in customer applications (see dashed area in the right picture). Correlated Material Application Board Documentation: TLF50211EL Gerber-Data:On request PCB-Board Ordering number: SP000949234 In order to reduce the design-in efforts to a minimum, a small PCB with the buck-core is provided. It enables an easy replacement test and fast prototyping too. Core Layout Core Test-Application Example The buck-core is available as stand-alone 3-wire PCB. It can be easily applied in any application as replacement. Core characterization report and layout data (gerber-file) are available. Correlated Material Core Board Documentation: Gerber-Data: Ordering number: TLF50211EL On request SP001254796 Type Description Ordering Code TLF50211EL 2.2MHz Step-Down Buck Converter 5V; 500mA, low quiescent current; Enable SP000952282 Published by Infineon Technologies AG 85579 Neubiberg, Germany © 2014 Infineon Technologies AG. All Rights Reserved. Visit us: www.infineon.com Order Number: B124-H9922-X-X-7600 Date: 07 / 2014 Attention please! The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics (“Beschaffenheitsgarantie”). With respect to any examples or hints given herein, any typical values stated herein and/ or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.