Overview
The ADP7105ARDZ-1.8-R7 is a high-performance, low-dropout (LDO) voltage regulator produced by Analog Devices Inc. This device is designed to provide a fixed 1.8V output voltage with a maximum output current of 500mA. It features an enable pin, power good indicator, and under-voltage lockout protection, making it suitable for a wide range of industrial and consumer applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.8V | V |
| Output Current | 500mA | mA |
| Input Voltage Range | 3.3V to 20V | V |
| Quiescent Current | 900μA | μA |
| Dropout Voltage | 350mV at 500mA | mV |
| Output Voltage Accuracy | ±1% | % |
| PSRR at 10kHz | 60dB | dB |
| Output Noise Voltage | 15μV rms | μV |
| Package Type | 8-lead LFCSP or SOIC | |
| Thermal Shutdown Threshold | 150°C | °C |
Key Features
- Fixed 1.8V output voltage with ±1% accuracy
- Maximum output current of 500mA
- Low quiescent current of 900μA
- Wide input voltage range of 3.3V to 20V
- Fast transient response and excellent load and line regulation
- Over-current, over-temperature, and reverse-polarity protection
- Digital power-good output for system monitoring
- User-programmable precision under-voltage lockout function
- Soft start capability with external capacitor
- Compact surface-mount package with excellent thermal performance
Applications
- Industrial equipment
- Consumer electronics
- Telecommunications equipment
- Automotive electronics
- Portable devices
Q & A
- What is the output voltage of the ADP7105ARDZ-1.8-R7?
The output voltage is fixed at 1.8V with ±1% accuracy.
- What is the maximum output current of the ADP7105ARDZ-1.8-R7?
The maximum output current is 500mA.
- What is the input voltage range for the ADP7105ARDZ-1.8-R7?
The input voltage range is from 3.3V to 20V.
- Does the ADP7105ARDZ-1.8-R7 have protection features?
Yes, it includes over-current, over-temperature, and reverse-polarity protection.
- What package types are available for the ADP7105ARDZ-1.8-R7?
The device is available in 8-lead LFCSP and SOIC packages.
- What is the thermal shutdown threshold of the ADP7105ARDZ-1.8-R7?
The thermal shutdown threshold is 150°C.
- Does the ADP7105ARDZ-1.8-R7 have a power good indicator?
Yes, it features a digital power-good output for system monitoring.
- Can the ADP7105ARDZ-1.8-R7 be used in harsh environments?
Yes, it has a robust design for reliable operation in harsh environments.
- Is the ADP7105ARDZ-1.8-R7 compliant with industry standards?
Yes, it is compliant with relevant industry standards and regulations.
- What is the quiescent current of the ADP7105ARDZ-1.8-R7?
The quiescent current is 900μA.
