TLV74311PDBVR Texas Instruments Power Supply (SOT23 (5-Pin)) In Stock
Texas Instruments TLV74311PDBVR is a fixed-output 300 mA LDO linear regulator in a SOT-23-5 package. It operates from 1.4 V to 5.5 V input with a typical dropout voltage of only 122 mV at full load. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- TLV74311PDBVR Datasheet PDF
- Category
- Power Supply
- Price
- From $0.0426(MOQ 250)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low dropout voltage of 122 mV typical at 300 mA output current, minimizing power dissipation in battery-powered designs
- Wide input voltage range of 1.4 V to 5.5 V, compatible with single-cell Li-ion and multi-cell alkaline battery supplies
- Compact SOT-23-5 package enabling high-density power rail integration in space-constrained portable and wearable electronics
Applications
The TLV74311PDBVR is ideal for powering low-voltage microcontrollers, wireless SoCs, and sensor modules in battery-operated portable devices where minimizing voltage headroom is critical. Its low 122 mV dropout voltage extends battery run time by allowing operation close to the battery's discharge cutoff. The device also suits always-on IoT nodes and wearable health monitors that require a stable low-noise 3.3 V or lower rail from a single-cell supply.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2017-07-21 |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.48V |
| Dropout Voltage1-Nom | 0.122V |
| Input Voltage Absolute-Max | 6V |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 1.4V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.001% |
| Load Regulation-Max | 0.025% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.3A |
| Output Voltage1-Max | 1.1154V |
| Output Voltage1-Min | 1.0846V |
| Output Voltage1-Nom | 1.1V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR, 7 INCH |
| Peak Reflow Temperature (Cel) | 260 |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 1.4% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TLV74311PDBVR:
suggested
suggested
Frequently Asked Questions
What is the maximum output current the TLV74311PDBVR can supply to a load?
The TLV74311PDBVR is rated for a maximum continuous output current of 300 mA. This is sufficient to power microcontrollers, BLE SoCs, and mixed-signal peripherals, while keeping the SOT-23-5 package within its thermal envelope at typical ambient temperatures up to 85°C.
How low is the dropout voltage of the TLV74311PDBVR at full rated current?
At 300 mA output current, the TLV74311PDBVR achieves a typical dropout voltage of just 122 mV, with an absolute maximum of 480 mV. This ultra-low dropout allows the device to regulate down to within 122 mV of the battery rail, extending usable run time on 3.7 V Li-ion cells.
Can the TLV74311PDBVR operate from a single-cell Li-ion battery throughout its full discharge cycle?
Yes. Because the TLV74311PDBVR accepts an input voltage as low as 1.4 V and as high as 5.5 V, it can maintain regulation from a fully charged 4.2 V Li-ion cell all the way down to the cell's 3.0 V cutoff, providing a stable output for at least 1800 mAh per charge cycle in typical applications.
What output voltage options are available for the TLV74311PDBVR in the fixed-output family?
The TLV74311PDBVR is a fixed-output device in the TLV743xx family; Microchip offers multiple fixed output voltage variants ranging from 1.0 V to 3.3 V in 100 mV steps, with each variant sharing the same SOT-23-5 footprint and 300 mA current rating for easy design migration.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.0565 | $14.12 |
| 500+ | $0.0532 | $26.58 |
| 1000+ | $0.0504 | $50.43 |
| 15000+ | $0.0436 | $654.60 |
| 21000+ | $0.0431 | $905.31 |
| 30000+ | $0.0426 | $1277.70 |
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