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TPS3801I50DCKRG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS3801I50DCKRG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 11 page www.ti.com 3 2 4 5 TPS380x . . . DCK PACKAGE (TOP VIEW) 1 RESET GND MR VDD GND 3 2 4 5 TPS3801−01 . . . DCK PACKAGE (TOP VIEW) 1 RESET GND SENSE VDD GND typical applications VDD = 1.8 V 100 nF TPS3801E18 TMS320VC5420 GND GND MR RESET RESET CoreVDD VDD TPS3800-xx TPS3801-xx TPS3802-xx SLVS219C – AUGUST 1999 – REVISED JULY 2003 ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS FEATURES DESCRIPTION • Small, 5-Pin SC-70 (SOT-323) Package The TPS380x family of supervisory circuits monitor supply voltages to provide circuit initialization and • Supply Current of 9 µA timing supervision, primarily for DSPs and other pro- • Power-On Reset Generator With Fixed Delay cessor-based systems. Time These devices assert a push-pull RESET signal when – TPS3800 = 100 ms the SENSE (adjustable version) or VDD (fixed version) – TPS3801 = 200 ms drops below a preset threshold. The RESET output – TPS3802 = 400 ms remains asserted for the factory programmed delay • Precision Supply Voltage Monitor 1.8 V, 2.5 V, time after the SENSE or VDD return above its threshold. 2.7 V, 3 V, 3.3 V, 5 V, and Adjustable The TPS380x devices, except the TPS3801-01, incor- • Manual Reset Input (Except TPS3801-01) porate a manual reset input (MR). A low level at MR causes RESET to become active. • Temperature Range: -40 °C to 85°C The TPS380x uses a precision reference to achieve an APPLICATIONS overall threshold accuracy of 2% - 2.5%. These devices are available in a 5-pin SC-70 package, which is only • Applications Using DSPs, Microcontrollers, or about half the size of a 5-pin SOT-23 package. Microprocessors The TPS380x devices are fully specified over a tem- • Wireless Communication Systems perature range of -40 °C to 85°C. • Portable/Battery-Powered Equipment • Programmable Controls • Intelligent Instruments • Industrial Equipment • Notebook/Desktop Computers • Automotive Systems 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 © 1999 – 2003, Texas Instruments Incorporated Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily in- clude testing of all parameters. |
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