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 |
|---|---|
| Manufacturer Part Number | ADP7105ARDZ-1.8-R7 |
| Manufacturer | Analog Devices Inc. |
| Output Voltage | Fixed 1.8V ±1% |
| Maximum Output Current | 500mA |
| Input Voltage Range | 3.3V to 20V |
| Quiescent Current | 900μA |
| Dropout Voltage | 350mV at 500mA |
| Noise Voltage | 15µV rms |
| Power Supply Rejection Ratio (PSRR) | 60dB at 10kHz |
| Package Type | 8-lead, 3mm × 3mm LFCSP |
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 line and load regulation
- Over-current, over-temperature, and reverse-polarity protection
- Digital power-good output for system monitoring
- User-programmable precision undervoltage lockout function
- Soft start function for controlled startup
- Low noise operation with 15µV rms noise voltage
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 any protection features?
Yes, it includes over-current, over-temperature, and reverse-polarity protection.
- What is the quiescent current of the ADP7105ARDZ-1.8-R7?
The quiescent current is 900μA.
- What is the noise voltage of the ADP7105ARDZ-1.8-R7?
The noise voltage is 15µV rms.
- Does the ADP7105ARDZ-1.8-R7 have a power-good indicator?
Yes, it has a digital power-good output for system monitoring.
- What is the package type of the ADP7105ARDZ-1.8-R7?
The package type is an 8-lead, 3mm × 3mm LFCSP.
- Is the ADP7105ARDZ-1.8-R7 suitable for industrial applications?
Yes, it is suitable for a wide range of industrial and consumer applications.
- Does the ADP7105ARDZ-1.8-R7 support soft start functionality?
Yes, it supports a soft start function for controlled startup.
