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TPS61085 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS61085 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 30 page C SS 100 nF C OUT 1 4 5 6 3 2 7 TPS61085 8 L 3.3 H µ V 3.3 V ±20% IN C 10 F 16 V IN µ C 1 F 16 V BY µ IN EN FREQ GND SW FB COMP SS D PMEG2010AEH V 12 V/600 mA max S R1 158 k R2 18.2 k 2* 10 µF 25 V R 47 k COMP C 1.6 nF COMP TPS61085 www.ti.com SLVS859B – JUNE 2008 – REVISED DECEMBER 2014 9 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 9.1 Application Information The TPS61085 is designed for output voltages up to 18.5 V with a switch peak current limit of 2.0 A minimum. The device, which operates in a current mode scheme with quasi-constant frequency, is externally compensated for maximum flexibility and stability. The switching frequency is selectable between 650 kHz and 1.2 MHz, and the input voltage range is 2.3 V to 6.0V. To control the inrush current at start-up a soft-start pin is available. The following section provides a step-by-step design approach for configuring the TPS61085 as a voltage regulating boost converter. 9.2 Typical Application Figure 8. Typical Application, 3.3 V to 12 V (fS = 1.2 MHz) 9.2.1 Design Requirements Table 2. TPS61085 12V Output Design Requirements PARAMETERS VALUES Input Voltage 3.3V ± 20% Output Voltage 12V Output Current 600mA Switching Frequency 1.2MHz Copyright © 2008–2014, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TPS61085 |
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Similar Description - TPS61085_15 |
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