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TPS61045 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS61045 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page 1MW C1 100nF C3 L VIN SW DO FB L1 D1 MBR0530 GND CTRL PGND TPS61045 Enable/LCDbiascontrol C2 4.7 F m R2 R1 R3 Cff 22pF 4.7 H m 2.2MW 1 F m VO 16.2Vto18.9V/10mA 180kW V =1.8Vto6V IN 1 2 5 6 8 3 4 7 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS61045 SLVS440C – JANUARY 2003 – REVISED DECEMBER 2014 TPS61045 Digitally Adjustable Boost Converter 1 Features 3 Description The TPS61045 device is a high-frequency boost 1 • Input Voltage Range from 1.8 to 6 V converter with digitally-programmable output voltage • Output Voltage of up to 28 V Possible and true shutdown. During shutdown, the output is • Up to 85% Efficiency disconnected from the input by opening the internal input switch. This allows a controlled power-up and • Digitally Adjustable Output Voltage Control power-down sequencing of the display. The output • Disconnects Output From Input During Shutdown voltage can be increased or decreased in digital • Switching Frequency up to 1 MHz steps by applying a logic signal to the CTRL pin. The output voltage range, as well as the output voltage • No Load Quiescent Current 40 μA Typical step size, can be programmed with the feedback • Thermal Shutdown Mode divider network. With a high switching frequency of • Shutdown Current 0.1 μA Typical up to 1 MHz, the TPS61045 device allows the use of • Available in Small 3-mm × 3-mm VSON Package small external components, and together, with the small 8-pin VSON package, a minimum system solution size is achieved. 2 Applications • LCD Bias Supply for Small to Medium LCD Device Information(1) Displays PART NUMBER PACKAGE BODY SIZE (NOM) • OLED Display Power Supply TPS61045 VSON (8) 3.00 mm × 3.00 mm – PDA, Pocket PC, Smart Phones (1) For all available packages, see the orderable addendum at – Handheld Devices the end of the data sheet. – Cellular Phones Simplified Schematic 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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