TPS78918DBVRG4 Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The TPS78918DBVRG4 is an ultralow-power, low-noise LDO voltage regulator from Texas Instruments, delivering 100mA output current with a fixed 1.8V output and only 0.9V typical dropout voltage in a 5-pin SOT-23 package. It operates from a 2.7V to 10V input range with exceptional 0.012% load regulation and 0.013% line regulation for noise-sensitive applications. Available in stock worldwide for portable and precision analog power supply designs.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- OBSOLETE
- Datasheet
- TPS78918DBVRG4 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPS78918DBVRG4?
- Ultralow-power 100mA LDO with 0.9V typical dropout voltage enabling operation close to rail in battery-powered designs
- Exceptional 0.012% load regulation and 0.013% line regulation for high-precision analog and RF circuit power supply
- 2.7V to 10V wide input range with 13.5V absolute maximum, supporting diverse power supply architectures
- Compact 5-pin SOT-23 package (R-PDSO-G5) with RoHS Pb-free compliance for space-constrained portable applications
What is TPS78918DBVRG4 used for?
The TPS78918DBVRG4 is ideal for powering noise-sensitive analog circuits, precision ADC/DAC reference supplies, and RF front-end modules in portable and IoT devices where low quiescent current and low output noise are critical. Its ultralow dropout voltage makes it well-suited for single-cell lithium battery-powered systems that need to maximize energy utilization. The device is also used in wearables, medical sensors, and communication equipment requiring stable and clean 1.8V regulation.
What are the specifications of TPS78918DBVRG4?
| YTEOL | 0 |
| Adjustability | FIXED |
| Dropout Voltage1-Nom | 0.9V |
| Input Voltage Absolute-Max | 13.5V |
| Input Voltage-Max | 10V |
| Input Voltage-Min | 2.7V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.0131% |
| Load Regulation-Max | 0.012% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 0.1A |
| Output Voltage1-Max | 1.854V |
| Output Voltage1-Min | 1.746V |
| Output Voltage1-Nom | 1.8V |
| 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 |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | PMOS |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 3% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the TPS78918DBVRG4 datasheet?
TPS78918DBVRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPS78918DBVRG4?
Compatible alternatives and drop-in replacements for TPS78918DBVRG4:
Frequently Asked Questions
What output voltage and current does the TPS78918DBVRG4 provide?
The TPS78918DBVRG4 provides a fixed 1.8V output voltage with a maximum output current of 100mA. It has a fixed adjustability setting, making it a simple drop-in solution for 1.8V power supply rails in portable and precision analog applications.
What is the dropout voltage of the TPS78918DBVRG4?
The TPS78918DBVRG4 has a nominal dropout voltage of 0.9V, meaning it can regulate 1.8V output from input voltages as low as 2.7V. This low dropout characteristic is critical for maximizing battery life in portable and battery-powered electronic devices.
What is the input voltage range of the TPS78918DBVRG4?
The TPS78918DBVRG4 accepts input voltages from 2.7V minimum to 10V maximum, with an absolute maximum rating of 13.5V. This wide input range allows it to be used with various supply sources including lithium batteries, regulated DC rails, and USB power inputs.
What package does the TPS78918DBVRG4 come in?
The TPS78918DBVRG4 is packaged in a 5-pin SOT-23 (R-PDSO-G5) small outline transistor package. This tiny surface-mount package is well-suited for portable devices, wearables, and any application requiring a compact LDO footprint on the PCB.
Why is the TPS78918DBVRG4 suitable for noise-sensitive analog applications?
The TPS78918DBVRG4 features an ultralow output noise specification combined with excellent line regulation of 0.013% and load regulation of 0.012%. These characteristics make it ideal for powering precision ADCs, DACs, RF circuits, and sensor modules where power supply noise could degrade signal integrity or measurement accuracy.
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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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