Overview
The ADP122AUJZ-2.7-R7 is a low dropout linear regulator (LDO) produced by Analog Devices Inc. This device is part of the ADP122 series, known for its low quiescent current, high accuracy, and compact packaging. The ADP122AUJZ-2.7-R7 is specifically designed to provide a fixed output voltage of 2.7V, making it suitable for a variety of portable and battery-powered applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.3 | 5.5 | V | |
| Output Voltage | VOUT | 2.7 | 2.7 | V | |
| Maximum Output Current | IOUT | 300 | mA | ||
| Dropout Voltage | VDO | 85 | mV | ||
| Quiescent Current (No Load) | IGND | 45 | 105 | µA | |
| Operating Temperature Range | TA | -40 | 125 | °C | |
| Output Voltage Accuracy | ±1% | ||||
| Package Type | 5-Lead TSOT |
Key Features
- Low dropout voltage of 85 mV at 300 mA load, improving efficiency and allowing operation over a wide input voltage range.
- Low quiescent current of 45 µA at no load, making it ideal for battery-operated portable equipment.
- High output voltage accuracy of ±1%.
- Internal soft start with a constant start-up time of 350 µs.
- Short-circuit protection and thermal overload protection circuits to prevent damage in adverse conditions.
- Compact packaging in a 5-lead TSOT package for the smallest footprint solution.
- Excellent PSRR performance of 60 dB at 100 kHz and excellent load/line transient response.
- Logic-controlled enable feature.
Applications
- Digital camera and audio devices.
- Portable and battery-powered equipment.
- Automatic meter reading (AMR) meters.
- GPS and location management units.
- Medical instrumentation.
- Point-of-sale equipment.
Q & A
- What is the input voltage range of the ADP122AUJZ-2.7-R7?
The input voltage range is from 2.3 V to 5.5 V. - What is the fixed output voltage of the ADP122AUJZ-2.7-R7?
The fixed output voltage is 2.7 V. - What is the maximum output current of the ADP122AUJZ-2.7-R7?
The maximum output current is 300 mA. - What is the dropout voltage of the ADP122AUJZ-2.7-R7 at 300 mA load?
The dropout voltage is 85 mV at 300 mA load. - What is the quiescent current of the ADP122AUJZ-2.7-R7 at no load?
The quiescent current is 45 µA at no load. - What is the operating temperature range of the ADP122AUJZ-2.7-R7?
The operating temperature range is from -40°C to 125°C. - Does the ADP122AUJZ-2.7-R7 have built-in protection features?
Yes, it has short-circuit protection and thermal overload protection circuits. - What type of package does the ADP122AUJZ-2.7-R7 come in?
The device comes in a 5-lead TSOT package. - What are some typical applications of the ADP122AUJZ-2.7-R7?
Typical applications include digital camera and audio devices, portable and battery-powered equipment, AMR meters, GPS and location management units, medical instrumentation, and point-of-sale equipment. - How accurate is the output voltage of the ADP122AUJZ-2.7-R7?
The output voltage accuracy is ±1%.
