PTPS3840DL20DBVR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock

The PTPS3840DL20DBVR is a nanopower high-input voltage supervisor with manual reset and programmable reset time delay by Texas Instruments. Key specs: 2.0 V threshold, single-channel monitoring, SOT-23 5-pin package. Available from stock with worldwide shipping.

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
PTPS3840DL20DBVRSOT23 (5-Pin)
Quick Facts
Manufacturer
Texas Instruments
Package
SOT23 (5-Pin)
Pin Count
5
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • Nanopower quiescent current enabling always-on voltage supervision with negligible battery drain in IoT devices
  • High input voltage capability supporting supervision of wide-voltage-range power rails in industrial systems
  • Programmable reset time delay allowing customizable system startup sequences to prevent false resets
  • Manual reset input providing external reset control for system testing and recovery in embedded applications

Applications

The PTPS3840DL20DBVR is designed for voltage supervision in microcontroller-based systems, IoT devices, and industrial control equipment requiring reliable power-on reset and brownout detection. Its nanopower design makes it ideal for battery-powered applications where minimizing quiescent current extends operational lifetime. The programmable reset delay and manual reset features provide flexibility for complex system initialization sequences in embedded designs.

Specifications

Date Of Intro2018-12-07
YTEOL0
Adjustable ThresholdNO
Analog IC - Other TypeVOLTAGE SUPERVISOR/RESET IC
JESD-30 CodeR-PDSO-G5
Number of Channels1
Number of Functions1
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Supply Voltage-Max (Vsup)10V
Supply Voltage-Min (Vsup)1.5V
Supply Voltage-Nom (Vsup)4.5V
Surface MountYES
Temperature GradeAUTOMOTIVE
Terminal FormGULL WING
Terminal Pitch0.95mm
Terminal PositionDUAL
Threshold Voltage-Nom+2V
PackageSOT23 (5-Pin)

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99
HTS Code8542.39.00.60

Datasheet

PTPS3840DL20DBVR Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

Compatible alternatives and drop-in replacements for PTPS3840DL20DBVR:

PTPS3840DL27DBVRTexas Instruments

Voltage Supervisor/Reset IC, Fixed, 1 Channel, +2.7V, PDSO5

View Part →
PTPS3840PL25DBVRTexas Instruments

Voltage Supervisor/Reset IC, Fixed, 1 Channel, +2.5V, PDSO5

View Part →
PTPS3840PH30DBVRTexas Instruments

Voltage Supervisor/Reset IC, Fixed, 1 Channel, +3V, PDSO5

View Part →
PTPS3840DL42DBVRQ1Texas Instruments

Voltage Supervisor/Reset IC, Fixed, 1 Channel, +4.2V, PDSO5

View Part →
PTPS3840PL25DBVRQ1Texas Instruments

Voltage Supervisor/Reset IC, Fixed, 1 Channel, +2.5V, PDSO5

View Part →
PTPS3840PH27DBVRQ1Texas Instruments

Voltage Supervisor/Reset IC, Fixed, 1 Channel, +2.7V, PDSO5

View Part →

Frequently Asked Questions

What is the reset threshold voltage of the PTPS3840DL20DBVR?

The PTPS3840DL20DBVR monitors a 2.0 V threshold voltage, issuing a reset signal when the supply voltage falls below this level, which is suitable for supervising low-voltage microcontroller and processor power rails in embedded systems.

What package does the PTPS3840DL20DBVR come in?

The PTPS3840DL20DBVR is available in a SOT-23 5-pin small outline package, providing a compact surface-mount footprint suitable for space-constrained designs on IoT, wearable, and industrial control PCBs.

Does the PTPS3840DL20DBVR support manual reset?

Yes, the PTPS3840DL20DBVR includes a manual reset input pin that allows an external signal to force a reset, enabling system-level testing, recovery from software hangs, and controlled startup sequences in embedded microcontroller applications.

What makes the PTPS3840DL20DBVR suitable for battery-powered designs?

The PTPS3840DL20DBVR is designed with nanopower quiescent current, drawing minimal standby current that is negligible compared to the overall system load, making it ideal for always-on voltage monitoring in battery-powered IoT sensors and wearable devices.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

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Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany