Overview
The ADP163AUJZ-R7 is a low-dropout (LDO) linear voltage regulator produced by Analog Devices Inc. This regulator is part of the ADP163 series and is known for its high accuracy and low quiescent current. It is available in a 5-lead TSOT package, making it suitable for space-constrained applications. The ADP163AUJZ-R7 is an adjustable output voltage regulator, allowing users to set the output voltage within a range of 1.0 V to 4.2 V using external resistors.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | 2.2 | 5.5 | V | ||
| Output Voltage Range | 1.0 | 4.2 | V | ||
| Output Current | 150 | mA | |||
| Dropout Voltage | IOUT = 150 mA | 120 | mV | ||
| Output Noise (10 Hz to 100 kHz) | VIN = 5 V, VOUT = 3.3 V | 105 | µV rms | ||
| Power Supply Rejection Ratio (PSRR) at 100 Hz | VIN = 5 V, VOUT = 3.3 V | 60 | dB | ||
| Thermal Shutdown Threshold | 150 | °C | |||
| Thermal Shutdown Hysteresis | 15 | °C | |||
| Operating Temperature Range | -40 | 125 | °C |
Key Features
- Adjustable Output Voltage: The output voltage can be set between 1.0 V and 4.2 V using external resistors, providing flexibility in various applications.
- Low Dropout Voltage: A dropout voltage of 120 mV at 150 mA output current ensures efficient voltage regulation.
- Low Quiescent Current: The regulator has a low quiescent current, which is beneficial for battery-powered devices and applications where power consumption needs to be minimized.
- High Accuracy: The ADP163AUJZ-R7 offers high output voltage accuracy and stability, making it suitable for precision applications.
- Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent overheating, ensuring reliable operation.
- Compact Package: The 5-lead TSOT package makes it ideal for space-constrained designs.
Applications
The ADP163AUJZ-R7 is suitable for a variety of applications, including:
- Battery-powered devices where low quiescent current is crucial.
- Portable electronics such as smartphones, tablets, and laptops.
- Industrial control systems requiring stable and accurate voltage regulation.
- Medical devices that demand high precision and reliability.
- Aerospace and automotive systems where temperature stability and thermal protection are essential.
Q & A
- What is the output voltage range of the ADP163AUJZ-R7?
The output voltage range is adjustable from 1.0 V to 4.2 V using external resistors. - What is the maximum output current of the ADP163AUJZ-R7?
The maximum output current is 150 mA. - What is the dropout voltage of the ADP163AUJZ-R7 at 150 mA output current?
The dropout voltage is 120 mV at 150 mA output current. - How is the output voltage set on the ADP163AUJZ-R7?
The output voltage is set using the ratio of two external resistors, with the ADJ pin biased at 1.0 V referenced to ground. - What is the thermal shutdown threshold of the ADP163AUJZ-R7?
The thermal shutdown threshold is 150°C. - What is the operating temperature range of the ADP163AUJZ-R7?
The operating temperature range is from -40°C to 125°C. - What package type is the ADP163AUJZ-R7 available in?
The ADP163AUJZ-R7 is available in a 5-lead TSOT package. - How does the ADP163AUJZ-R7 minimize quiescent current?
Using high values of resistance for the external resistors (R1 and R2) helps minimize the quiescent current. - What is the power supply rejection ratio (PSRR) of the ADP163AUJZ-R7 at 100 Hz?
The PSRR at 100 Hz is 60 dB for VOUT = 3.3 V. - Does the ADP163AUJZ-R7 have any protection features?
Yes, it includes thermal shutdown protection to prevent overheating.
