Details, datasheet, quote on part number: TPS3825-50DBVT
PartTPS3825-50DBVT
CategorySemiconductors => Power Management => Supervisor and Reset IC
Part familyTPS3825 Voltage Monitor with Manual Reset
DescriptionVoltage Monitor with Manual Reset 5-SOT-23 -40 to 85
CompanyTexas Instruments, Inc.
StatusACTIVE
ROHSY
SampleYes
DatasheetDownload TPS3825-50DBVT datasheet
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Specifications 
Time Delay(ms)200
Operating Temperature Range(C)-40 to 85
Package GroupSOT-23
RatingCatalog
Iq(Typ)(uA)15
# of Supplies Monitored1
Output Driver Type / Reset OutputActive-high,Active-low,Push-pull
Monitored Voltage 1 (typ)(Nom)(V)3.3,5
Watchdog Timer WDI(sec)None
VCC(Min)(V)1.1
VCC(Max)(V)5.5
Reset Threshold Accuracy(%)2.4
Approx. Price (US$)0.65 | 1ku
Threshold Voltage 1(Typ)(V)2.93,4.55
FeaturesActive Low Enable,Manual Reset
  Mecanical Data
Pin nbPackage typeInd stdJEDEC codePackage qtyCarrierDevice markWidth (mm)Length (mm)Thick (mm)Pitch (mm)
5DBVSOT-23R-PDSO-G250SMALL T&RPDFI 1.62.91.2.95

 

Features, Applications

features

Power-On Reset Generator With Fixed Delay Time ms (TPS3820) Manual Reset Input (TPS3820/3/5/8) Reset Output Available in Active-Low (TPS3820/3/4/5), Active-High (TPS3824) and Open-Drain (TPS3828) Supply Voltage Supervision Range 5 V Watchdog Timer (TPS3820/3/4/8) Supply Current 15 µA (Typ) SOT23-5 Package Temperature Range. to 85°C

applications

Applications Using DSPs, Microcontrollers, or Microprocessors Industrial Equipment Programmable Controls Automotive Systems Portable/Battery-Powered Equipment Intelligent Instruments Wireless Communications Systems Notebook/Desktop Computeres

description

The TPS382x family of supervisors provides circuit initialization and timing supervision, primarily for DSP and processor-based systems.

During power-on, RESET is asserted when GND supply voltage VDD becomes higher than 1.1 V. Thereafter, the supply voltage supervisor 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, starts after VDD has risen above the threshold voltage VIT­. When the supply voltage drops below the threshold voltage VIT­, the output becomes active (low) again. No external components are required. All the devices of this family have a fixed-sense threshold voltage VIT­ set by an internal voltage divider.

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. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

The TPS3820/3/5/8 devices incorporate a manual reset input, MR. A low level at MR causes RESET to become active. The TPS3824/5 devices include a high-level output RESET. TPS3820/3/4/8 have a watchdog timer that is periodically triggered by a positive or negative transition at WDI. When the supervising system fails to retrigger the watchdog circuit within the time-out interval, ttout, RESET becomes active for the time period td. This event also reinitializes the watchdog timer. Leaving WDI unconnected disables the watchdog. The product spectrum is designed for supply voltages 3.3 V, and 5 V. The circuits are available 5-pin SOT23-5 package. The TPS382x devices are characterized for operation over a temperature range to 85°C.

PACKAGE INFORMATION DEVICE NAME TPS3828-33DBVT TPS3828-50DBVT DEVICE NAME TPS3828-33DBVR TPS3828-50DBVR THRESHOLD VOLTAGE 4.55 V PDII PDHI PDGI PDFI PDEI PDDI PAPI PAQI PARI PASI PATI PAUI PAVI PAWI MARKING

The DBVT package indicates tape and reel of 250 parts. The DBVR package indicates tape and reel of 3000 parts. § This device is in the Product Preview stage of development. Contact the local TI sales office for availability FUNCTION/TRUTH TABLE INPUTS TPS3824/5 TPS3820/3/5/8 VDD>VIT OUTPUTS RESET


 

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