Overview
The TPS70930DRVR is a part of the TPS709 series of linear regulators produced by Texas Instruments. These devices are designed as ultra-low quiescent current, low-dropout (LDO) linear regulators, making them ideal for power-sensitive applications. The TPS70930DRVR offers a high level of accuracy and reliability, with features such as reverse current protection, current limit, and thermal shutdown. This regulator is suitable for battery-powered systems that require minimal idle-state power dissipation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 to 30 | V |
| Output Voltage | 1.2 to 6.5 | V |
| Maximum Output Current | 150 | mA |
| Quiescent Current (IQ) | 1 | μA |
| Shutdown Current | 150 | nA |
| Output Voltage Accuracy | ±2% (for VOUT < 3.3V), ±1% (for VOUT ≥ 3.3V) | % |
| Dropout Voltage | 295 to 1400 | mV |
| Power-Supply Rejection Ratio (PSRR) | 80 dB at 10 Hz, 62 dB at 100 Hz, 52 dB at 1 kHz | dB |
| Thermal Shutdown Temperature | 158°C (shutdown), 140°C (reset) | °C |
| Package Types | SOT-23-5, WSON-6 |
Key Features
- Ultra-low quiescent current of 1 μA, making it suitable for battery-powered systems.
- Reverse current protection to prevent discharge from the output into the input.
- Internal current limit and thermal shutdown for reliable operation.
- High accuracy over temperature with ±2% for VOUT < 3.3V and ±1% for VOUT ≥ 3.3V.
- Low dropout voltage and high power-supply rejection ratio (PSRR).
- Enable pin for easy control of the device; can be left floating to enable the device.
- Available in fixed-output voltages from 1.2 V to 6.5 V.
Applications
- Smoke and heat detectors
- Thermostats
- Motion detectors (PIR, uWave, etc.)
- Cordless power tools
- Appliance battery packs
- Electricity meters
- Water meters
Q & A
- What is the input voltage range of the TPS70930DRVR?
The input voltage range is from 2.7 V to 30 V.
- What is the maximum output current of the TPS70930DRVR?
The maximum output current is 150 mA.
- What is the quiescent current (IQ) of the TPS70930DRVR?
The quiescent current is 1 μA.
- Does the TPS70930DRVR have thermal shutdown protection?
- What are the available output voltages for the TPS70930DRVR?
The available fixed-output voltages range from 1.2 V to 6.5 V.
- How do I enable the TPS70930DRVR?
The device can be enabled by driving the enable pin (EN) high above 0.9 V, or it can be left floating to enable the device.
- What is the dropout voltage of the TPS70930DRVR?
The dropout voltage ranges from 295 mV to 1400 mV depending on the output current and voltage.
- Does the TPS70930DRVR have reverse current protection?
- What are the typical applications of the TPS70930DRVR?
Typical applications include smoke and heat detectors, thermostats, motion detectors, cordless power tools, appliance battery packs, electricity meters, and water meters.
- What are the package types available for the TPS70930DRVR?
The device is available in SOT-23-5 and WSON-6 packages.
