Overview
The ADP7105ARDZ-5.0-R7 from Analog Devices Inc. is a high-performance, low dropout (LDO) linear regulator. This CMOS-based regulator operates from an input voltage range of 3.3 V to 20 V and provides up to 500 mA of output current. It is designed to regulate high-performance analog and mixed-signal circuits, offering excellent power supply rejection and low noise characteristics. The device features a fixed output voltage of 5 V and is available in an 8-lead SOIC package, making it suitable for a variety of applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.3 V to 20 V | V |
| Output Voltage | 5 V (Fixed) | V |
| Output Current | Up to 500 mA | A |
| Dropout Voltage | 0.04 V @ 10 mA, 0.175 V @ 150 mA, 0.325 V @ 300 mA, 0.55 V @ 500 mA | V |
| Line Regulation | 0.015 %/V | %/V |
| Load Regulation | 0.2 %/A (Typ) | %/A |
| Operating Temperature Range | -40 °C to 125 °C | °C |
| Package Type | 8-lead SOIC N EP | |
| Thermal Shutdown Threshold | 150 °C | °C |
| UVLO Threshold Rising | 1.18 V to 1.28 V | V |
Key Features
- High Input Voltage Range: Operates from 3.3 V to 20 V, making it suitable for a wide range of applications.
- Low Dropout Voltage: Provides low dropout voltages, ensuring efficient voltage regulation.
- High Accuracy: Offers an overall accuracy of ±0.8 %.
- Low Noise: Achieves low noise performance with an output noise voltage of 15 µV rms.
- Programmable Soft Start: Allows for external soft start capacitor to program the startup.
- Power-Good Feature: Includes a digital power-good output for monitoring the health of the output voltage.
- Programmable Undervoltage Lockout (UVLO): Facilitates sequencing of multiple power supplies.
- Thermal Protection: Features thermal shutdown and current limit protection.
Applications
The ADP7105ARDZ-5.0-R7 is ideal for regulating high-performance analog and mixed-signal circuits. It is suitable for various applications including:
- High-performance analog circuits
- Mixed-signal circuits
- Power supply systems requiring high accuracy and low noise
- Industrial and automotive systems
- Communication and networking equipment
Q & A
- What is the input voltage range of the ADP7105ARDZ-5.0-R7?
The input voltage range is from 3.3 V to 20 V.
- What is the fixed output voltage of the ADP7105ARDZ-5.0-R7?
The fixed output voltage is 5 V.
- What is the maximum output current of the ADP7105ARDZ-5.0-R7?
The maximum output current is up to 500 mA.
- What is the typical dropout voltage at different currents for the ADP7105ARDZ-5.0-R7?
The typical dropout voltage is 0.04 V @ 10 mA, 0.175 V @ 150 mA, 0.325 V @ 300 mA, and 0.55 V @ 500 mA).
- What are the line and load regulation specifications of the ADP7105ARDZ-5.0-R7?
The line regulation is 0.015 %/V and the load regulation is 0.2 %/A (Typ)).
- What is the operating temperature range of the ADP7105ARDZ-5.0-R7?
The operating temperature range is from -40 °C to 125 °C).
- What package type is the ADP7105ARDZ-5.0-R7 available in?
The device is available in an 8-lead SOIC N EP package).
- Does the ADP7105ARDZ-5.0-R7 have thermal protection features?
Yes, it features thermal shutdown and current limit protection).
- What is the UVLO threshold rising for the ADP7105ARDZ-5.0-R7?
The UVLO threshold rising is between 1.18 V and 1.28 V).
- Does the ADP7105ARDZ-5.0-R7 have a power-good feature?
Yes, it includes a digital power-good output for monitoring the health of the output voltage).
