Overview
The TPS76318DBVR is a low-dropout (LDO) linear voltage regulator from Texas Instruments, part of the TPS763xx family. This regulator is designed to offer low-dropout voltage, low-power operation, and miniaturized packaging, making it ideal for cost-sensitive designs and applications where board space is limited. The TPS76318DBVR is particularly suited for use in portable systems such as laptops and cellular phones, where its low-dropout voltage and low-power features significantly extend battery life.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.8 V | V |
| Maximum Output Current | 150 mA | mA |
| Dropout Voltage (Typical at 150 mA) | 300 mV | mV |
| Quiescent Current (Maximum) | 140 µA | µA |
| Operating Junction Temperature Range | -40°C to 125°C | °C |
| Package Type | 5-pin SOT-23 (DBV) | |
| Body Size (Nominal) | 2.90 mm × 1.60 mm | mm |
| Junction-to-Ambient Thermal Resistance | 205.3 °C/W | °C/W |
Key Features
- 150-mA, low-dropout regulator with output voltage of 1.8 V
- Typical dropout voltage of 300 mV at 150 mA
- Thermal protection and overcurrent limitation
- Less than 2-µA quiescent current in shutdown mode
- Logic-enabled sleep mode to shut down the regulator
- Miniaturized 5-pin SOT-23 (DBV) package
- Operating junction temperature range of -40°C to 125°C
Applications
- Electricity meters
- Solar inverters
- HVAC systems
- Servo drives and motion control
- Sensor transmitters
- Portable systems such as laptops and cellular phones
Q & A
- What is the typical dropout voltage of the TPS76318DBVR at 150 mA?
The typical dropout voltage is 300 mV at 150 mA. - What is the maximum output current of the TPS76318DBVR?
The maximum output current is 150 mA. - What is the quiescent current in shutdown mode?
The quiescent current in shutdown mode is less than 2 µA. - What is the operating junction temperature range of the TPS76318DBVR?
The operating junction temperature range is -40°C to 125°C. - What type of package does the TPS76318DBVR come in?
The TPS76318DBVR comes in a 5-pin SOT-23 (DBV) package. - Does the TPS76318DBVR have thermal protection?
Yes, the TPS76318DBVR features thermal protection that shuts the regulator off if the junction temperature rises above 165°C. - How does the enable input function on the TPS76318DBVR?
The enable input is an active-high digital control that enables the LDO when the enable voltage is past the rising threshold and disables the LDO when the enable voltage is below the falling threshold. - What are some typical applications for the TPS76318DBVR?
Typical applications include electricity meters, solar inverters, HVAC systems, servo drives and motion control, sensor transmitters, and portable systems like laptops and cellular phones. - What is the body size of the TPS76318DBVR package?
The body size of the 5-pin SOT-23 (DBV) package is 2.90 mm × 1.60 mm. - Does the TPS76318DBVR have current limiting features?
Yes, the TPS76318DBVR features internal current limiting to prevent gross device failure.
