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LMR14006XDDCR Datasheet(PDF) 1 Page - Texas Instruments |
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LMR14006XDDCR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page LMR14003/6 5V, 0.3/0.6A CB SW FB Cboot L1 D1 R1 R2 Cout SHDN VIN Up to 40V Cin VIN GND Fixed 5V Output Option Available LMR14003, LMR14006 www.ti.com SNVSA10 – NOVEMBER 2013 SIMPLE SWITCHER® 40V 300/600mA Buck Regulators with High Efficiency Sleep Mode Check for Samples: LMR14003, LMR14006 1 FEATURES DESCRIPTION • Ultra Low 28µA Standby Current in Sleep The LMR14003 and LMR14006 are PWM DC/DC Mode buck (step-down) regulators. With a wide input range • Input Voltage Range 4V to 40V of 4V-40V, they are suitable for a wide range of • 1µA Shutdown Current application from industrial to automotive for power conditioning from an unregulated source. The • High Duty Cycle Operation Supported regulator’s standby current is 28µA in sleep mode, • Output Current Options of 300mA and 600mA which is suitable for battery operating systems. An • 5V Fixed Voltage Option Available ultra low 1µA current can further prolong battery life in shutdown mode. Operating frequency is fixed at • 1.1MHz and 2.1MHz Switching Frequency 1.1MHz(X version) and 2.1MHz(Y version) allowing • Internal Compensation the use of small external components while still being • High Voltage Enable Input able to have low output ripple voltage. Soft-start and compensation circuits are implemented internally, and • Internal Soft Start these allow the device to be used with minimized • Over Current Protection external components. The LMR14006 is optimized for • Over Temperature Protection up to 600mA load currents while the LMR14003 is • Small Overall Solution Size (TSOT-6L Package) optimized for up to 300mA load current. They all have a 0.765V typical feedback voltage. The device has built-in protection features such as pulse by pulse APPLICATIONS current limit, thermal sensing and shutdown due to • Industrial Distributed Power Systems excessive power dissipation. The LMR14003 and • Automotive LMR14006 are available in a low profile TSOT-6L package. • Battery Powered Equipment • Portable Handheld Instruments • Portable Media Players Figure 1. Typical Application Schematic 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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