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TPS61080DRCT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS61080DRCT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 27 page Vin5V L14.7µH C1 4.7 F m C3 33 pF VO 12V/250mA R1 437kW Cs 47nF R3 100 Ω R2 49.9kW 4.7 µF TPS61081 L1: TDKVLCF5020T-4R7N1R7-1 C3:Feedforwardcapacitorforstability C1:MurataGRM188R60J105K R3:Noisedecouplingresistor C2:MurataGRM219R61C475K Cs:Softstartprogrammingcapacitor L VIN EN FSW SS GND SW OUT FB PGND FSW SW OUT PGND EN GND L VIN SS FB TOP VIEW 10-PIN3mmx3mmx1mmQFN Thermal Pad TPS61080 TPS61081 www.ti.com SLVS644D – FEBRUARY 2006 – REVISED APRIL 2013 HIGH VOLTAGE DC/DC BOOST CONVERTER WITH 0.5-A/1.3-A INTEGRATED SWITCH Check for Samples: TPS61080, TPS61081 1 FEATURES DESCRIPTION 2 • 2.5-V to 6-V Input Voltage Range The TPS61080/1 is a 1.2MHz/600kHz fixed frequency • Up to 27-V Output Voltage boost regulator designed for high integration, which • 0.5-A Integrated Switch (TPS61080) integrates a power switch, an input/output isolation 1.3-A Integrated Switch (TPS61081) switch and a power diode. When a short circuit condition is detected, the isolation switch opens up to • 12 V/400 mA and 24 V/170 mA From 5-V Input disconnect the output from the input. As a result, the (TYP) IC protects itself and the input source from any pin, • Integrated Power Diode except VIN, from being shorted to ground. The • 1.2-MHz/600-kHz Selectable Fixed Switching isolation switch also disconnects the output from input Frequency during shutdown to prevent any leakage current. Other provisions for protection include 0.5A/1.3A • Input to Output Isolation peak-to-peak over current protection, programmable • Short-Circuit Protection soft start (SS), over voltage protection (OVP), thermal • Programmable Soft Start shutdown and under voltage lockout (UVLO). • Overvoltage Protection The IC operates from input supplies including single • Up to 87% Efficiency Li-ion battery, triple NiMH, and regulated 5V, such as USB output. The output can be boosted up to 27V. • 10-Pin 3 mm×3 mm QFN Package TPS61080/1 can provide the supply voltages of OLED, TFT-LCD bias, 12V and 24V power rails. The APPLICATIONS output of TPS61080/1 can also be configured as a • 3.3V to 12V, 5V to 12V and 24V Boost current source to power up to 7 WLED in flash light applications. Converter • White LED Backlight for Media Form Factor ORDERING INFORMATION Display TA OVERCURRENT PACKAGE PACKAGE • OLED Power Supply LIMIT MARKING • xDSL Applications 0.5A(min) TPS61080DRCR BCN • TFT-LCD Bias Supply 1.3A(min) TPS61081DRCR BCO –40°C to 85°C 0.5A(min) TPS61080DRCT BCN • White LED Flash Light 1.3A(min) TPS61081DRCT BCO TYPICAL APPLICATION Figure 1. 5V to 12V, 250mA Step-Up DC/DC Converter 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. 2 PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2006–2013, 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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