Overview
The ADP124ARHZ-2.5-R7 is a low quiescent current, low dropout linear regulator produced by Analog Devices Inc. This device is part of the ADP124 series, which is designed to operate from an input voltage range of 2.3 V to 5.5 V and provide up to 500 mA of output current. The ADP124ARHZ-2.5-R7 is specifically configured to deliver a fixed output voltage of 2.5 V, making it suitable for a variety of applications requiring stable and efficient power regulation.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.3 | 5.5 | V | ||
| Output Voltage | VOUT | 2.5 | V | |||
| Output Current | IOUT | 500 | mA | |||
| Quiescent Current | IGND | IOUT = 0 µA | 45 | 105 | µA | |
| Dropout Voltage | VDO | IOUT = 500 mA | 130 | mV | ||
| Power Supply Rejection Ratio (PSRR) | PSRR | 10 kHz to 100 kHz | 60 | dB | ||
| Output Voltage Accuracy | 1% | |||||
| Package Type | 8-MSOP (Exposed Pad) |
Key Features
- Low quiescent current of 45 µA (typical) and low shutdown current of less than 1 µA, making it ideal for battery-operated devices.
- Low dropout voltage of 130 mV at a 500 mA load, enhancing efficiency and allowing operation over a wide input voltage range.
- Excellent power supply rejection ratio (PSRR) of 60 dB at 100 kHz, ensuring stable output voltage despite input voltage fluctuations.
- High accuracy with an output voltage accuracy of 1%.
- Internal soft start with a constant start-up time of 350 µs.
- Current limit and thermal overload protection for enhanced reliability.
- Logic-controlled enable feature for easy integration into complex systems.
- Compact 8-lead exposed paddle MSOP and LFCSP packages, suitable for space-constrained applications.
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 load power applications.
Q & A
- What is the input voltage range of the ADP124ARHZ-2.5-R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the fixed output voltage of the ADP124ARHZ-2.5-R7?
The fixed output voltage is 2.5 V.
- What is the maximum output current of the ADP124ARHZ-2.5-R7?
The maximum output current is 500 mA.
- What is the typical quiescent current of the ADP124ARHZ-2.5-R7?
The typical quiescent current is 45 µA.
- What is the dropout voltage of the ADP124ARHZ-2.5-R7 at a 500 mA load?
The dropout voltage is 130 mV at a 500 mA load.
- What is the power supply rejection ratio (PSRR) of the ADP124ARHZ-2.5-R7?
The PSRR is 60 dB at 100 kHz.
- What kind of protection features does the ADP124ARHZ-2.5-R7 have?
The device features current limit and thermal overload protection.
- What package types are available for the ADP124ARHZ-2.5-R7?
The device is available in 8-lead exposed paddle MSOP and LFCSP packages.
- What is the output voltage accuracy of the ADP124ARHZ-2.5-R7?
The output voltage accuracy is 1%.
- What are some typical applications of the ADP124ARHZ-2.5-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 load power applications.
