Overview
The ADP161AUJZ-R7 is an ultralow quiescent current, low dropout linear regulator produced by Analog Devices Inc. This device is part of the ADP161 series, which is known for its high efficiency and low power consumption. The ADP161AUJZ-R7 operates from an input voltage range of 2.2 V to 5.5 V and can provide an adjustable output voltage from 1.0 V to 4.2 V. It is designed for applications requiring low power consumption and high stability.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | 2.2 | 5.5 | V | ||
| Output Voltage Range | 1.0 | 4.2 | V | ||
| Output Current | 150 | mA | |||
| Quiescent Current | No Load | <2 | µA | ||
| Dropout Voltage | IOUT = 150 mA | 120 | 225 | mV | |
| Thermal Shutdown Threshold | TJ rising | 150 | °C | ||
| Thermal Shutdown Hysteresis | 15 | °C | |||
| Minimum Input and Output Capacitance | TA = −40°C to +125°C | 0.7 | µF | ||
| Capacitor ESR | TA = −40°C to +125°C | 0.001 | 0.2 | Ω |
Key Features
- Ultralow Quiescent Current: The device has a quiescent current of less than 2 µA under no-load conditions, making it suitable for battery-powered applications.
- Low Dropout Voltage: The ADP161AUJZ-R7 has a dropout voltage of 120 mV to 225 mV at an output current of 150 mA, ensuring efficient voltage regulation.
- Adjustable Output Voltage: The output voltage can be adjusted from 1.0 V to 4.2 V using external resistors, providing flexibility in various applications.
- Thermal Shutdown Protection: The device includes thermal shutdown protection with a threshold of 150°C and hysteresis of 15°C to prevent overheating.
- High Stability: The regulator maintains high stability across a wide range of operating conditions, including temperature and input voltage variations.
Applications
- Battery-Powered Devices: Ideal for devices that require low power consumption and long battery life.
- Portable Electronics: Suitable for use in portable electronics such as smartphones, tablets, and handheld devices.
- IoT Devices: Appropriate for Internet of Things (IoT) devices that need efficient power management.
- Medical Devices: Can be used in medical devices where low power consumption and high reliability are critical.
- Automotive Systems: Suitable for automotive systems that require robust and efficient voltage regulation.
Q & A
- What is the input voltage range of the ADP161AUJZ-R7?
The input voltage range is from 2.2 V to 5.5 V.
- What is the adjustable output voltage range of the ADP161AUJZ-R7?
The output voltage can be adjusted from 1.0 V to 4.2 V.
- What is the maximum output current of the ADP161AUJZ-R7?
The maximum output current is 150 mA.
- What is the quiescent current of the ADP161AUJZ-R7 under no-load conditions?
The quiescent current is less than 2 µA under no-load conditions.
- Does the ADP161AUJZ-R7 have thermal shutdown protection?
Yes, it has thermal shutdown protection with a threshold of 150°C and hysteresis of 15°C.
- What type of capacitors are recommended for use with the ADP161AUJZ-R7?
X7R and X5R type capacitors are recommended; Y5V and Z5U capacitors are not recommended.
- How is the output voltage adjusted in the ADP161AUJZ-R7?
The output voltage is adjusted using external resistors according to the equation: VOUT = 1.0 V(1 + R1/R2) + (ADJI-BIAS)(R1).
- What is the dropout voltage of the ADP161AUJZ-R7 at an output current of 150 mA?
The dropout voltage is 120 mV to 225 mV at an output current of 150 mA.
- Is the ADP161AUJZ-R7 suitable for high-temperature applications?
Yes, it operates over a temperature range of −40°C to +125°C.
- What are some common applications of the ADP161AUJZ-R7?
Common applications include battery-powered devices, portable electronics, IoT devices, medical devices, and automotive systems.
