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TPS3809I50 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS3809I50 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 13 page 3.3 V TPS3809K33 TMS320LC54x GND GND RESET RESET VDD VDD TPS76333 GND OUT IN 5 V 2 3 1 RESET VDD GND TPS3809J25, TPS3809L30 TPS3809K33, TPS3809I50 www.ti.com SLVS228C – AUGUST 1999 – REVISED OCTOBER 2013 3-Pin Supply Voltage Supervisors Check for Samples: TPS3809J25, TPS3809L30, TPS3809K33, TPS3809I50 1 FEATURES DESCRIPTION The TPS3809 family of supervisory circuits provides 2 • 3-Pin SOT-23 Package circuit initialization and timing supervision, primarily • Supply Current of 9 μA (Typical) for DSPs and processor-based systems. • Precision Supply Voltage Monitor During power-on, RESET is asserted when the 2.5 V, 3 V, 3.3 V, 5 V supply voltage VDD becomes higher than 1.1 V. • Pin-For-Pin Compatible With MAX 809 Thereafter, the supervisory circuit monitors VDD and keeps RESET active as long as VDD remains below • Temperature Range: –40°C to +85°C the threshold voltage VIT. An internal timer delays the return of the output to the inactive state (high) to APPLICATIONS ensure proper system reset. The delay time, td(typ) = • Applications Using DSPs, Microcontrollers, or 200 ms, starts after VDD has risen above the Microprocessors threshold voltage VIT. When the supply voltage drops below the threshold voltage VIT, the output becomes • Wireless Communication Systems active (low) again. No external components are • Portable/Battery-Powered Equipment required. All the devices of this family have a fixed • Programmable Controls sense-threshold voltage VIT set by an internal voltage divider. • Intelligent Instruments • Industrial Equipment The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are • Notebook/Desktop Computers available in a 3-pin SOT-23. The TPS3809 devices • Automotive Systems are characterized for operation over a temperature range of –40°C to 85°C. DBV PACKAGE TOP VIEW) TYPICAL APPLICATION 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 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1999–2013, 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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