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TLV809L30DBVR Datasheet(PDF) 1 Page - Texas Instruments |
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TLV809L30DBVR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page 2 3 1 RESET V DD GND TLV809 DBV/DBZPackages 3.3V TLV809K33 DSP/FPGA/ASIC GND GND RESET RESET V DD 3.3-VLDO GND OUT IN 5V V DD TLV809J25, TLV809L30 TLV809K33, TLV809I50 www.ti.com SLVSA03C – JUNE 2010 – REVISED FEBRUARY 2012 3-Pin Supply Voltage Supervisors Check for Samples: TLV809J25, TLV809L30, TLV809K33, TLV809I50 1 FEATURES APPLICATIONS 2 • 3-Pin SOT23 Package • DSPs, Microcontrollers, and Microprocessors • Supply Current: 9 µA (Typical) • Wireless Communication Systems • Precision Supply Voltage Monitor: • Portable/Battery-Powered Equipment 2.5 V, 3 V, 3.3 V, 5 V • Programmable Controls • Power-On Reset Generator with • Intelligent Instruments Fixed Delay Time of 200 ms • Industrial Equipment • Pin-for-Pin Compatible with MAX809 • Notebook and Desktop Computers • Temperature Range: –40°C to +85°C • Automotive Systems DESCRIPTION The TLV809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for DSPs and processor-based systems. During power-on, RESET is asserted when the supply voltage (VDD) becomes higher than 1.1 V. Thereafter, the supervisory circuit monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage VIT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time (td(typ) = 200 ms) starts after VDD has risen above the threshold voltage, VIT. When the supply voltage drops below the VIT threshold voltage, the output becomes active (low) again. No external components are required. All the devices in this family have a fixed sense-threshold voltage (VIT) set by an internal voltage divider. The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in a 3-pin SOT-23 package. The TLV809 devices are characterized for operation over a temperature range of –40°C to +85°C. Figure 1. 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 © 2010–2012, 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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