Overview
The TPS7A0218PDBVR is a nanopower, low-dropout linear regulator (LDO) produced by Texas Instruments. This ultra-small device is designed to source up to 200 mA of current with excellent transient performance. It features an ultra-low quiescent current (IQ) of 25 nA, even in dropout mode, making it ideal for applications where low power consumption is critical. The device also includes a shutdown mode with an IQ of 3 nA, further enhancing battery life. The TPS7A0218PDBVR is available in various packages, including DQN (X2SON), DBV (SOT-23), and YCH (DSBGA), and is fully specified for operation over a temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (VOUT) | 0.8 | - | 5.0 | V |
| Output Current (IOUT) | - | - | 200 | mA |
| Quiescent Current (IQ) | - | 25 | - | nA |
| Shutdown IQ | - | 3 | - | nA |
| Dropout Voltage | - | - | 200 | mV |
| Operating Temperature Range | -40 | - | 125 | °C |
| Power-Supply Rejection Ratio (PSRR) | - | 55 | - | dB |
| Output Voltage Noise | - | 130 | - | µVRMS |
| UVLO Threshold (VIN rising) | 1.23 | 1.3 | 1.47 | V |
| UVLO Hysteresis | - | 180 | - | mV |
Key Features
- Ultra-low quiescent current (IQ) of 25 nA, even in dropout mode.
- Shutdown IQ of 3 nA to increase battery life.
- Excellent transient response with a settling time of less than 10 µs.
- Output voltage range of 0.8 V to 5.0 V in 50-mV steps.
- Smart enable circuit with an internally controlled pulldown resistor.
- Thermal shutdown protection with a temperature increasing threshold of 170°C and a decreasing threshold of 145°C.
- Available in DQN (X2SON), DBV (SOT-23), and YCH (DSBGA) packages.
Applications
- Battery-powered devices where low power consumption is critical.
- Portable electronics such as smartphones, tablets, and wearables.
- IoT devices requiring low quiescent current.
- Medical devices and healthcare equipment.
- Aerospace and industrial applications where reliability and low power are essential.
Q & A
- What is the typical quiescent current (IQ) of the TPS7A0218PDBVR?
The typical quiescent current (IQ) is 25 nA, even in dropout mode.
- What is the shutdown IQ of the TPS7A0218PDBVR?
The shutdown IQ is 3 nA.
- What is the output voltage range of the TPS7A0218PDBVR?
The output voltage range is from 0.8 V to 5.0 V in 50-mV steps.
- What is the maximum output current of the TPS7A0218PDBVR?
The maximum output current is 200 mA.
- What are the available packages for the TPS7A0218PDBVR?
The device is available in DQN (X2SON), DBV (SOT-23), and YCH (DSBGA) packages.
- What is the operating temperature range of the TPS7A0218PDBVR?
The operating temperature range is from –40°C to +125°C.
- What is the power-supply rejection ratio (PSRR) of the TPS7A0218PDBVR?
The PSRR is 55 dB at 1 kHz.
- What is the output voltage noise of the TPS7A0218PDBVR?
The output voltage noise is 130 µVRMS.
- What is the UVLO threshold for the TPS7A0218PDBVR?
The UVLO threshold for VIN rising is between 1.23 V and 1.47 V.
- What is the thermal shutdown protection of the TPS7A0218PDBVR?
The thermal shutdown protection has a temperature increasing threshold of 170°C and a decreasing threshold of 145°C.
