Overview
The ADP7102ACPZ-3.0-R7 is a CMOS, low dropout linear regulator (LDO) produced by Analog Devices Inc. This regulator operates within a wide input voltage range of 3.3 V to 20 V and can provide up to 300 mA of output current. It is designed for high-performance analog and mixed-signal circuits, offering excellent power supply rejection, low noise, and robust line and load transient response. The ADP7102 is available in both fixed and adjustable output voltage configurations, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.3 V to 20 V | V |
| Maximum Output Current | 300 mA | A |
| Output Voltage (Fixed) | 3 V (for ADP7102ACPZ-3.0-R7) | V |
| Output Noise Voltage | 15 μV rms | V |
| Power Supply Rejection Ratio (PSRR) | 60 dB at 10 kHz | dB |
| Low Dropout Voltage | 200 mV at 300 mA load | V |
| Initial Accuracy | ±0.8% | % |
| Package Type | 8-lead, 3 mm × 3 mm LFCSP |
Key Features
- High input voltage range: 3.3 V to 20 V
- Low noise: 15 μV rms for fixed output versions
- Excellent power supply rejection ratio (PSRR): 60 dB at 10 kHz
- Low dropout voltage: 200 mV at 300 mA load
- Reverse current protection
- Digital power-good output for monitoring the health of the output voltage
- User-programmable precision undervoltage lockout (UVLO) function
- Compact 8-lead LFCSP package with excellent thermal performance
Applications
The ADP7102 is ideal for regulating high-performance analog and mixed-signal circuits. It is suitable for applications requiring high input voltage and low noise, such as:
- Analog and mixed-signal circuits operating from 19 V to 1.22 V rails
- Power system monitors requiring digital power-good output
- Applications needing precise undervoltage lockout sequencing
- Compact, low-profile designs requiring excellent thermal performance
Q & A
- What is the input voltage range of the ADP7102?
The input voltage range of the ADP7102 is from 3.3 V to 20 V. - What is the maximum output current of the ADP7102?
The maximum output current of the ADP7102 is 300 mA. - What is the output noise voltage of the ADP7102?
The output noise voltage of the ADP7102 is 15 μV rms. - What is the power supply rejection ratio (PSRR) of the ADP7102?
The PSRR of the ADP7102 is 60 dB at 10 kHz. - Does the ADP7102 have reverse current protection?
Yes, the ADP7102 has reverse current protection. - What is the package type of the ADP7102ACPZ-3.0-R7?
The package type of the ADP7102ACPZ-3.0-R7 is an 8-lead, 3 mm × 3 mm LFCSP. - Does the ADP7102 have a digital power-good output?
Yes, the ADP7102 has a digital power-good output for monitoring the health of the output voltage. - Can the undervoltage lockout (UVLO) function be programmed?
Yes, the UVLO function of the ADP7102 is user-programmable. - What are the typical applications of the ADP7102?
The ADP7102 is typically used in high-performance analog and mixed-signal circuits, power system monitors, and applications requiring precise UVLO sequencing. - What is the initial accuracy of the ADP7102?
The initial accuracy of the ADP7102 is ±0.8%.
