Overview
The TPS76316DBVR, part of the TPS763xx family, is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. 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 TPS76316DBVR is particularly suited for use in battery-operated equipment, such as laptops and cellular phones, due to its low quiescent current and high efficiency.
Key Specifications
| Parameter | Test Conditions | Min | Max | Unit | |
|---|---|---|---|---|---|
| Output Voltage (VO) | VI = 2.7 V, 1 mA < IO < 75 mA, TJ = 25°C | 1.552 | 1.6 | 1.648 | V |
| Dropout Voltage (VDO) | IO = 50 mA, TJ = 25°C | 120 | 150 | 200 | mV |
| Quiescent Current | EN = IN, IO = 0 mA, TJ = 25°C | - | 140 | - | µA |
| Operating Junction Temperature Range | - | -40 | - | 125 | °C |
| Package | - | - | - | 5-pin SOT-23 (DBV) | - |
| Input Supply Voltage Range | - | - | - | Up to 6.5 V | - |
Key Features
- 150-mA low-dropout regulator with a typical dropout voltage of 300 mV at 150 mA.
- Output voltage options: 1.6 V, 1.8 V, 2.5 V, 2.7 V, 2.8 V, 3 V, 3.3 V, 3.8 V, and 5 V, as well as a variable version.
- Thermal protection and overcurrent limitation to prevent device damage.
- Less than 2-µA quiescent current in shutdown mode.
- Logic-enabled sleep mode to reduce quiescent current to 1 µA maximum at TJ = 25°C.
- Operating junction temperature range of -40°C to 125°C.
- Miniaturized 5-pin SOT-23 (DBV) package.
Applications
- Electricity meters
- Solar inverters
- HVAC systems
- Servo drives and motion control
- Sensor transmitters
- Battery-operated equipment such as laptops and cellular phones
Q & A
- What is the typical dropout voltage of the TPS76316DBVR at 150 mA?
The typical dropout voltage is 300 mV at 150 mA of load current.
- What are the available output voltage options for the TPS763xx family?
The output voltage options include 1.6 V, 1.8 V, 2.5 V, 2.7 V, 2.8 V, 3 V, 3.3 V, 3.8 V, and 5 V, as well as a variable version.
- What is the quiescent current in shutdown mode?
The quiescent current in shutdown mode is less than 2 µA.
- Does the TPS76316DBVR have thermal protection?
- What is the operating junction temperature range of the TPS76316DBVR?
The operating junction temperature range is -40°C to 125°C.
- What package type is the TPS76316DBVR available in?
The device is available in a 5-pin SOT-23 (DBV) package.
- How does the enable input function on the TPS76316DBVR?
The enable signal (VEN) 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 TPS76316DBVR?
Typical applications include electricity meters, solar inverters, HVAC systems, servo drives and motion control, sensor transmitters, and battery-operated equipment like laptops and cellular phones.
- What is the recommended input capacitor for the TPS76316DBVR?
Texas Instruments recommends a 0.047-µF or larger ceramic bypass input capacitor connected between IN and GND to improve transient response and noise rejection.
- Does the TPS76316DBVR have current limiting features?
