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TPS55010 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS55010 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 46 page PH VIN GND BOOT VSENSE COMP TPS55010 EN RT/CLK SS FAULT C ss R t C C C boot T1 C IN 3 V to 5.5 V + V O _ 1:2.5 C O C PRI R LS R HS 5 V 200mA R C 0 10 20 30 40 50 60 70 80 90 100 0.00 0.05 0.10 0.15 0.20 0.25 0.30 Output Current (A) VIN = 5V VOUT = 5V FSW = 350kHz G040 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS55010 SLVSAV0B – APRIL 2011 – REVISED OCTOBER 2014 TPS55010 2.95-V To 6-V Input, 2 W, Isolated DC/DC Converter with Integrated FETs 1 Features 3 Description The TPS55010 is a transformer driver designed to 1 • Isolated Fly-Buck™ Topology provide isolated power for isolated interfaces, such as • Primary Side Feedback RS-485 and RS-232, from 3.3 V or 5 V input supply. • 100 kHz to 2000 kHz Switching Frequency The device uses fixed frequency current mode control • Synchronizes to External Clock and half bridge power stage with primary side • Adjustable Slow Start feedback to regulate the output voltage for power levels up to 2W. The switching frequency is • Adjustable Input Voltage UVLO adjustable from 100 kHz to 2000 kHz so solution size, • Open Drain Fault Output efficiency and noise can be optimized. The switching • Cycle-by-Cycle Current Limit frequency is set with a resistor or is synchronized to external clock using the RT/CLK pin. To minimize • Thermal Shutdown Protection inrush currents, a small capacitor can be connected • 3 mm x 3 mm 16 Pin QFN Package to the SS pin. The EN pin can be used as an enable pin or to increase the default input UVLO voltage 2 Applications from 2.6V. • Noise Immunity in PLCs, Data Acquisition and With the same transformer the TPS55010 can Measurement Equipment provide a solution for different input and output • Isolated RS-232 and RS-485 Communication voltage combinations by adjusting the primary side Channels voltage. Off the shelf transformers are available to provide single positive, or dual positive and negative • Powers Line Drivers, ISO Amplifiers, Sensors, output voltages. CAN Transceivers The TPS55010 is available in a 3mm x 3mm 16 pin • Floating Supplies for IGBT Gate Drivers QFN package with thermal pad. • Promotes Safety in Medical Equipment Device Information (1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS55010 WQFN (16) 3.00 mm × 3.00 mm (1) For all available packages, see the orderable addendum at he end of the datasheet. 4 Simplified Schematic Efficiency vs Load Current 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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