Overview
The TPS70933DRVT is a 150-mA, 30-V, ultra-low quiescent current (Iq) linear voltage regulator produced by Texas Instruments. This device is part of the TPS709 series, designed for power-sensitive applications, particularly in battery-powered and always-on systems where minimal idle-state power dissipation is crucial. The regulator features a precision band-gap and error amplifier, ensuring 2% accuracy over temperature. It also includes thermal shutdown, current limit, and reverse current protection for added safety and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 6-WSON (DRV) or 6-WDFN Exposed Pad |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 2.7 V to 30 V |
| Output Voltage (Fixed) | 3.3 V |
| Output Current | 150 mA |
| Quiescent Current (Iq) | 1 µA |
| Dropout Voltage (Max) | 1.4 V @ 150 mA |
| PSRR | 80 dB ~ 52 dB (10 Hz ~ 1 kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
Key Features
- Ultra-low quiescent current (Iq) of 1 µA, making it ideal for battery-powered and always-on systems.
- Reverse current protection to block discharge current from the output into the input.
- Low shutdown current of 150 nA when the EN pin is pulled low.
- 2% accuracy over temperature for the output voltage.
- Thermal shutdown and overcurrent protection for reliable operation.
- Available in fixed-output voltages ranging from 1.2 V to 6.5 V.
- Supports 200-mA peak output current.
Applications
The TPS70933DRVT is suitable for a variety of power-sensitive applications, including:
- Battery-powered devices where low idle-state power consumption is critical.
- Always-on systems that require minimal quiescent current.
- Portable electronics, such as handheld devices and wearables.
- Industrial control systems and automation.
- Aerospace and defense applications requiring high reliability and low power consumption.
Q & A
- What is the maximum input voltage for the TPS70933DRVT?
The maximum input voltage is 30 V.
- What is the quiescent current (Iq) of the TPS70933DRVT?
The quiescent current is 1 µA.
- What are the protection features of the TPS70933DRVT?
The device features overcurrent, overtemperature, reverse polarity, and under voltage lockout (UVLO) protections.
- What is the output voltage accuracy of the TPS70933DRVT?
The output voltage accuracy is 2% over temperature.
- How do you enable or disable the TPS70933DRVT?
The device can be enabled or disabled by pulling the EN pin high or low, respectively.
- What is the maximum output current of the TPS70933DRVT?
The maximum output current is 150 mA, with a peak current of up to 200 mA.
- What is the dropout voltage of the TPS70933DRVT at 150 mA output current?
The dropout voltage is up to 1.4 V at 150 mA output current.
- What are the typical applications for the TPS70933DRVT?
Typical applications include battery-powered devices, always-on systems, portable electronics, industrial control systems, and aerospace and defense applications.
- What is the operating temperature range of the TPS70933DRVT?
The operating temperature range is -40°C to 125°C.
- What package types are available for the TPS70933DRVT?
The device is available in 6-WSON (DRV) and 6-WDFN Exposed Pad packages.
