PTLV840CADL43DBVR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The PTLV840CADL43DBVR is a low-voltage supervisor IC with programmable reset time delay and manual reset capability. It monitors supply voltages down to 1.0 V with a fixed 4.3 V threshold and open-drain reset output. Available in a compact SOT-23-5 package from Texas Instruments, priced competitively with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- PTLV840CADL43DBVR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PTLV840CADL43DBVR?
- Programmable reset delay time allows designers to customize the power-on reset duration without external RC circuits
- Ultra-low quiescent current of 2.5 µA maximizes battery life in portable and IoT applications
- 1.0 V to 5.5 V supply voltage range supports diverse low-voltage microcontroller and processor reset requirements
What is PTLV840CADL43DBVR used for?
The PTLV840CADL43DBVR is well-suited for microcontroller and DSP supervisor circuits in battery-powered devices where supply integrity must be maintained below 4.3 V. It is commonly used in handheld consumer electronics, wearables, and industrial IoT nodes that require a reliable power-on reset with a tunable delay. The device also fits smart-meter and medical sensor designs that need a compact footprint and a guaranteed reset pulse width.
What are the specifications of PTLV840CADL43DBVR?
| Date Of Intro | 2020-03-01 |
| YTEOL | 0 |
| Additional Feature | BAT BUP SW:N;MNL RST:N;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:Y;UV DET:N;WD:N;WWD:N |
| Adjustable Threshold | YES |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PDSO-G5 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP5/6,.11,.37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Supply Current-Max (Isup) | 0.0012mA |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 0.7V |
| Supply Voltage-Nom (Vsup) | 1.5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the PTLV840CADL43DBVR datasheet?
PTLV840CADL43DBVR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for PTLV840CADL43DBVR?
Compatible alternatives and drop-in replacements for PTLV840CADL43DBVR:
Frequently Asked Questions
What supply voltage range does the PTLV840CADL43DBVR support?
The PTLV840CADL43DBVR operates from a supply voltage range of 1.0 V to 5.5 V, making it suitable for 1.8 V, 3.3 V, and 5 V systems commonly used in microcontrollers and low-power IoT devices.
How does the programmable reset delay benefit a microcontroller startup sequence?
By allowing a programmable reset delay from approximately 1 ms up to several hundred milliseconds, the device gives the microcontroller's oscillator and power rails time to stabilize before the reset pin is released, preventing spurious resets in systems with slow supply ramp-up times.
When would you choose PTLV840CADL43DBVR over a fixed-delay supervisor for a battery-powered wearable running at 3.3 V?
In a 3.3 V wearable with variable load transients, the PTLV840CADL43DBVR's adjustable reset delay lets engineers set a precise delay—such as 200 ms—to ride through momentary dips below the 4.3 V threshold, reducing nuisance resets without the cost and space of a separate RC network.
What is the package and pin count of the PTLV840CADL43DBVR, and why is it advantageous for space-constrained designs?
The device comes in a 5-pin SOT-23 package measuring approximately 1.6 mm × 2.9 mm, which occupies minimal PCB area—ideal for smartphones, hearing aids, and other compact electronics where board space is at a premium.
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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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