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TPS61086DRCR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS61086DRCR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page ActualSize 3mmx3mm 1 FEATURES APPLICATIONS DESCRIPTION IN EN SW FB MODE AGND COMP SS 1 4 6 8 3 7 2 5 PGND 9 10 SW Cby 1 F 16V m Cin 10 F 16V m V 2.5Vto6V IN L 3.3 H m D PMEG2010AEH V 12V S R1 156kW R2 18kW Cout 2*10 F 25V m Rcomp 68kW Ccomp 820pF Css 100nF TPS61086 TPS61086 www.ti.com ................................................................................................................................................................................................ SLVSA05 – AUGUST 2009 18.5 V PFM/PWM STEP-UP DC-DC CONVERTER WITH 2.0 A SWITCH • 2.3 V to 6.0 V Input Voltage Range • Handheld Devices • 18.5 V Boost Converter With 2.0 A Switch Current • GPS Receiver • Digital Still Camera • 1.2 MHz Switching Frequency • Portable Applications • Power Save Mode for improved Efficiency at • DSL Modem Low Output Power or Forced PWM • PCMCIA Card • Adjustable Soft-Start • TFT LCD Bias Supply • Thermal Shutdown • Undervoltage Lockout • 10-Pin QFN Package The TPS61086 is a high frequency, high efficiency DC to DC converter with an integrated 2.0 A, 0.13 Ω power switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed frequency of 1.2MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors and capacitors and provides fast transient response. At light load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the efficiency while keeping a low output voltage ripple. For very noise sensitive applications, the device can be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at startup. 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 © 2009, 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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