Specifications
| Type | Description |
|---|---|
| Part Number | TPS3831 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | X2SON-4 1.00 mm x 1.00 mm; SOT-23-3 2.92 mm x 2.37 mm |
| Component Type | Power_IC |
| Supply Current | 150 nA typ, 500 nA max; output not connected, TA=-40°C to 85°C, 0.9 V < VDD < 6.5 V, C1=0.1 µF |
| Input Supply Voltage | 0.9 V min, 6.5 V max; recommended operating condition |
| Minimum VDD for Valid Output | 0.6 V; IOL=1 µA |
| RESET Output Type | Push-pull, active-low; RESET output pin |
| RESET Delay Time | 120 ms min, 200 ms typ, 350 ms max; power-up delay, TA=-40°C to 85°C, 0.9 V < VDD < 6.5 V, C1=0.1 µF |
| Propagation Delay, VDD Falling to RESET Low | 20 µs typ; power-down delay |
| Propagation Delay, MR Low to RESET Low | 46 ns typ; manual reset asserted low |
| Operating Ambient Temperature | -40°C to 85°C; operating free-air temperature range |
| Storage Temperature | -65°C to 150°C; absolute maximum rating |
| Absolute Maximum Voltage on VDD and RESET | -0.3 V to 7 V; over operating free-air temperature range |
| Absolute Maximum Voltage on MR | -0.3 V to VDD + 0.3 V; TPS3831 manual reset input |
| Absolute Maximum RESET Pin Current | -10 mA to 10 mA; RESET pin |
| Recommended RESET Pin Voltage | 0 V to 6.5 V; recommended operating condition |
| Recommended RESET Pin Current | 0 mA to 8 mA; recommended operating condition |
| Recommended MR Pin Voltage | 0 V to VDD; TPS3831 manual reset input |
| Low-Level RESET Output Voltage | 0.4 V max; VDD=0.9 V to 1.2 V, IOL=120 µA |
| Low-Level RESET Output Voltage | 0.4 V max; VDD=1.2 V to 2.8 V, IOL=0.5 mA |
| Low-Level RESET Output Voltage | 0.4 V max; VDD=2.8 V to 6.5 V, IOL=2 mA |
| High-Level RESET Output Voltage | VDD - 0.4 V min; VDD=0.9 V to 1.2 V, IOH=-50 µA |
| High-Level RESET Output Voltage | VDD - 0.4 V min; VDD=1.2 V to 3.3 V, IOH=-0.5 mA |
| High-Level RESET Output Voltage | VDD - 0.4 V min; VDD=3.3 V to 6.5 V, IOH=-2 mA |
| MR Low-Level Input Voltage | 0.3 x VDD max; TPS3831 MR pin |
| MR High-Level Input Voltage | 0.7 x VDD min; TPS3831 MR pin |
| MR Pullup Resistance | 10 kΩ min, 20 kΩ typ, 30 kΩ max; TPS3831 MR pin |
| Negative-Going Input Threshold Accuracy | ±1%; TA=25°C |
| TPS3831A09 Reset Threshold Voltage | 0.874 V min, 0.9 V typ, 0.914 V max; negative-going threshold voltage, TPS383xA09 |
| TPS3831G12 Reset Threshold Voltage | 1.073 V min, 1.1 V typ, 1.117 V max; negative-going threshold voltage, TPS383xG12 |
| TPS3831E16 Reset Threshold Voltage | 1.482 V min, 1.52 V typ, 1.543 V max; negative-going threshold voltage, TPS383xE16 |
| TPS3831G18 Reset Threshold Voltage | 1.628 V min, 1.67 V typ, 1.695 V max; negative-going threshold voltage, TPS383xG18 |
| TPS3831L30 Reset Threshold Voltage | 2.564 V min, 2.63 V typ, 2.669 V max; negative-going threshold voltage, TPS383xL30 |
| TPS3831K33 Reset Threshold Voltage | 2.857 V min, 2.93 V typ, 2.974 V max; negative-going threshold voltage, TPS383xK33 |
| TPS3831G33 Reset Threshold Voltage | 3.003 V min, 3.08 V typ, 3.126 V max; negative-going threshold voltage, TPS383xG33 |
| TPS3831K50 Reset Threshold Voltage | 4.271 V min, 4.38 V typ, 4.446 V max; negative-going threshold voltage, TPS383xK50 |
| TPS383xA09 Hysteresis Voltage | 54 mV typ; threshold hysteresis |
| TPS383xG12 Hysteresis Voltage | 11 mV typ; threshold hysteresis |
| TPS383xE16 Hysteresis Voltage | 15 mV typ; threshold hysteresis |
| TPS383xG18 Hysteresis Voltage | 17 mV typ; threshold hysteresis |
| TPS383xL30 Hysteresis Voltage | 26 mV typ; threshold hysteresis |
| TPS383xK33 Hysteresis Voltage | 29 mV typ; threshold hysteresis |
| TPS383xG33 Hysteresis Voltage | 31 mV typ; threshold hysteresis |
| TPS383xK50 Hysteresis Voltage | 44 mV typ; threshold hysteresis |
| ESD Rating, Human Body Model | ±2000 V; per ANSI/ESDA/JEDEC JS-001 |
| ESD Rating, Charged Device Model | ±500 V; per JEDEC JESD22-C101 |
| TPS3831 Package | X2SON-4, 1.00 mm x 1.00 mm; TPS3831 device information |
| TPS3839 Package | SOT-23-3, 2.92 mm x 2.37 mm; X2SON-4, 1.00 mm x 1.00 mm; TPS3839 device information |
| TPS3831 DQN Pinout | RESET pin 1, MR pin 2, GND pin 3, VDD pin 4; X2SON-4 top view |
| TPS3839 DBZ Pinout | GND pin 1, RESET pin 2, VDD pin 3; SOT23-3 top view |
| TPS3839 DQN Pinout | RESET pin 1, NC pin 2, GND pin 3, VDD pin 4; X2SON-4 top view |
| Junction-to-Ambient Thermal Resistance | 346.6°C/W; TPS3839 DBZ SOT23-3 package |
| Junction-to-Ambient Thermal Resistance | 216.1°C/W; TPS3831/TPS3839 DQN X2SON-4 package |
| Datasheet Status | request_only |
Product Overview
The Texas Instruments TPS3831 is a supply voltage monitor in the Power_Management category. It provides a push-pull, active-low RESET output and includes a manual reset input on the TPS3831 device. The recommended input supply range is 0.9 V to 6.5 V, while valid RESET output operation is specified down to 0.6 V at IOL=1 µA.
The device is specified for -40°C to 85°C operating ambient temperature. Electrical timing includes a 120 ms minimum, 200 ms typical, and 350 ms maximum power-up RESET delay, plus a 20 µs typical propagation delay from falling VDD to RESET low. Manual reset assertion low produces a 46 ns typical propagation delay to RESET low.
Package and assembly data identify the TPS3831 in a DQN X2SON-4 package measuring 1.00 mm x 1.00 mm, with RESET pin 1, MR pin 2, GND pin 3, and VDD pin 4. The extracted family data also lists TPS3839 package and pinout options for related device context.
Key Features
- 0.9 V to 6.5 V input supply range
- 150 nA typical supply current under stated condition
- Push-pull active-low RESET output pin
- 120 ms to 350 ms power-up RESET delay
- 20 µs typical VDD-falling reset propagation delay
- 46 ns typical MR-to-RESET propagation delay
- Manual reset input with internal pullup resistance
- RESET output valid at 0.6 V VDD
- ±1% negative-going threshold accuracy at 25°C
- X2SON-4 package measures 1.00 mm x 1.00 mm
Typical Applications
- Supply voltage monitoring
- Power-up reset timing
- Manual reset circuits
- Threshold-based reset generation
- Low-current power systems
- X2SON-4 board assemblies
Procurement Notes
When requesting a quote for TPS3831, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What type of device is the TPS3831?
The TPS3831 is a Texas Instruments supply voltage monitor in the Power_Management category. It uses a push-pull, active-low RESET output and includes a manual reset input on the TPS3831 device.
What supply voltage range does TPS3831 support?
The recommended input supply voltage range is 0.9 V minimum to 6.5 V maximum. The extracted datasheet facts also specify a minimum VDD of 0.6 V for valid output at IOL=1 µA.
What is the TPS3831 reset delay time?
The power-up RESET delay is specified as 120 ms minimum, 200 ms typical, and 350 ms maximum over TA=-40°C to 85°C with 0.9 V < VDD < 6.5 V and C1=0.1 µF.
Which package is listed for the TPS3831?
The TPS3831 device information lists an X2SON-4 package measuring 1.00 mm x 1.00 mm. The DQN pinout assigns RESET to pin 1, MR to pin 2, GND to pin 3, and VDD to pin 4.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 8, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.