The TPS79318DBVR is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments (TI). Belonging to the TPS793 series, this device provides a fixed 1.8V output voltage with a maximum output current of 200mA. It is designed to deliver stable and low-noise power for sensitive analog circuits and various electronic applications.
The TPS79318DBVR features a low dropout voltage, high power-supply rejection ratio (PSRR), and excellent line and load transient response. With a typical dropout voltage of 112mV at 200mA output current, it helps improve power efficiency in low-voltage power management applications.
This LDO regulator operates with an input voltage range of 2.8V to 5.5V under the specified 1.8V output conditions. Its fixed 1.8V output makes it suitable for powering low-voltage processors, analog circuits, communication modules, and other electronic components requiring a stable power supply.
The device integrates an enable control function, allowing external circuits to control the regulator’s operating state. This feature helps simplify power sequencing and power management designs in electronic systems.
The TPS79318DBVR is designed for low-noise applications and offers high PSRR performance, making it particularly suitable for sensitive analog loads, RF circuits, and noise-sensitive electronic systems. It also supports stable operation with a 2.2μF ceramic output capacitor, helping simplify external component selection and PCB design.
The component comes in a compact 5-pin SOT-23 (DBV) surface-mount package, with nominal dimensions of 2.9 × 2.8mm. Its small footprint supports space-efficient PCB layouts and automated surface-mount technology (SMT) assembly.
With an operating temperature range of -40°C to +125°C, the TI TPS79318DBVR is suitable for various electronic environments. It is widely used in smartphones, tablets, communication equipment, building automation, connected peripherals, printers, and home entertainment systems.
The device is supplied in tape-and-reel packaging, with a standard quantity of 3,000 pieces per reel, supporting automated pick-and-place assembly and high-volume electronic manufacturing.
Key Features:
- Manufacturer: Texas Instruments (TI)
- Part Number: TPS79318DBVR
- Product Series: TPS793
- Product Type: Low-Dropout Linear Voltage Regulator (LDO)
- Output Voltage: 1.8V Fixed
- Output Current: 200mA
- Input Voltage Range: 2.8V to 5.5V
- Output Voltage Accuracy: ±2%
- Typical Dropout Voltage: 112mV at 200mA
- Power Supply Rejection Ratio: High PSRR
- Output Noise: Low Noise
- Control Function: Enable
- Output Capacitor: 2.2μF Ceramic Capacitor
- Operating Temperature: -40°C to +125°C
- Package Type: SOT-23-5 (DBV)
- Number of Pins: 5
- Package Dimensions: 2.9 × 2.8mm
- Mounting Type: Surface Mount (SMD/SMT)
- Packaging: Tape and Reel
- Standard Reel Quantity: 3,000 Pieces
- Moisture Sensitivity Level: MSL 1
- Environmental Compliance: RoHS and REACH Compliant
Typical Applications:
- Smartphone and tablet power management
- RF and wireless communication circuits
- Sensitive analog power supplies
- Microprocessor and controller power supplies
- Building automation systems
- Connected peripherals and printers
- Home theater and entertainment equipment
- Low-noise power supply circuits
- Portable electronic devices
- Industrial electronic systems
The Texas Instruments TPS79318DBVR combines a fixed 1.8V output, 200mA output capability, low dropout voltage, and high PSRR performance in a compact SOT-23-5 package. Its low-noise characteristics and enable control function make it a practical solution for electronic manufacturers, hardware engineers, and procurement teams seeking reliable LDO voltage regulators for noise-sensitive power management applications.
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