Overview
The TPS70628DBVR is a part of the TPS706 series of linear voltage regulators produced by Texas Instruments. These regulators are designed for power-sensitive applications, particularly in battery-powered and always-on systems. They feature an ultralow quiescent current of 1 µA, making them ideal for minimizing idle-state power dissipation. The TPS706 series includes precision band-gap and error amplifier circuits, ensuring 2% accuracy over temperature. These devices also incorporate thermal shutdown, current-limit, and reverse-current protection for enhanced safety and reliability.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.7 | 6.5 | V | |
| Output Voltage | 1.2 | 5 | V | |
| Quiescent Current (IQ) | 1 | µA | ||
| Shutdown Current | 150 | nA | ||
| Maximum Output Current | 150 | mA | ||
| Dropout Voltage | 245 | mV at 50 mA | ||
| Power-Supply Rejection Ratio (PSRR) | 62 | dB at 100 Hz | ||
| Thermal Shutdown Temperature | 158 | °C | ||
| Operating Junction Temperature | -40 | 125 | °C | |
| Package | SOT-23-5, WSON-6 |
Key Features
- Ultralow Quiescent Current: 1 µA, ideal for battery-powered and always-on systems.
- Precision Output Voltage: 2% accuracy over temperature.
- Reverse Current Protection: Prevents discharge current from the output into the input.
- Current Limit and Thermal Shutdown: Protects the regulator during fault conditions.
- Low Dropout Voltage: 245 mV at 50 mA.
- Enable Pin: Allows the device to be put into shutdown mode, reducing current to 150 nA.
- Available in Fixed-Output Voltages: From 1.2 V to 5 V.
- Compact Packages: SOT-23-5 and WSON-6.
Applications
- Smartphones and Tablets: Ideal for power-sensitive components.
- Portable and Battery-Powered Applications: Such as wearables and handheld devices.
- Camera Modules: For low-power image processing.
- Set-Top Boxes: For efficient power management.
- Wearables: Fitness trackers, smartwatches, etc.
- Medical Equipment: For reliable and low-power operation.
- Solid State Drives (SSDs): For efficient power supply.
Q & A
- What is the input voltage range of the TPS70628DBVR?
The input voltage range is from 2.7 V to 6.5 V.
- What is the quiescent current of the TPS70628DBVR?
The quiescent current is 1 µA.
- What is the maximum output current of the TPS70628DBVR?
The maximum output current is 150 mA.
- Does the TPS70628DBVR have thermal shutdown protection?
- What are the available output voltages for the TPS706 series?
The available output voltages range from 1.2 V to 5 V.
- How do you enable or disable the TPS70628DBVR?
The device can be enabled by driving the EN pin high and disabled by driving it low.
- What is the dropout voltage of the TPS70628DBVR at 50 mA?
The dropout voltage is 245 mV at 50 mA.
- What kind of protection does the TPS70628DBVR offer against reverse current?
The device offers reverse current protection to block any discharge current from the output into the input.
- What are the typical applications of the TPS70628DBVR?
Typical applications include smartphones, tablets, portable and battery-powered devices, camera modules, set-top boxes, wearables, medical equipment, and solid state drives.
- What are the package options for the TPS70628DBVR?
The device is available in SOT-23-5 and WSON-6 packages.
