Overview
The ADP7102ARDZ-3.3-R7 is a CMOS, low dropout linear regulator (LDO) produced by Analog Devices Inc. This high input voltage LDO is designed for the regulation of high-performance analog and mixed signal circuits, operating from input voltage ranges of 3.3V to 20V. It is particularly suited for applications requiring low noise, high power supply rejection, and excellent line and load transient response. The regulator features a digital power-good output and a user-programmable precision undervoltage lockout function, making it ideal for sequencing multiple power supplies and monitoring power system health.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.3V to 20V | V |
| Maximum Output Current | 300mA | A |
| Output Voltage | 3.3V (Fixed) | V |
| Low Dropout Voltage | 200mV at 300mA load | V |
| Initial Accuracy | ±0.8% | % |
| Accuracy over Line, Load, and Temperature | −2%, +1% | % |
| Low Noise | 15μV rms (10Hz to 100kHz, VIN = 6.3V, VOUT = 3.3V) | V |
| Quiescent Current | 750μA at 300mA load, VIN = 5V | A |
| Operating Temperature Range | −40°C to +125°C | °C |
| Package Style | 8-lead SOIC-N-EP | |
| Protection Features | Reverse current protection, foldback current limit, thermal overload protection |
Key Features
- High input voltage range from 3.3V to 20V, making it suitable for a wide range of applications.
- Low dropout voltage of 200mV at 300mA load, ensuring efficient voltage regulation.
- Low noise of 15μV rms, which is independent of the output voltage, making it ideal for noise-sensitive applications.
- High power supply rejection ratio (PSRR) of 60 dB at 10 kHz, ensuring stable output voltage.
- Digital power-good output for monitoring the health of the output voltage.
- User-programmable precision undervoltage lockout (UVLO) function for sequencing multiple power supplies.
- Reverse current protection, foldback current limit, and thermal overload protection for enhanced reliability.
- Compact 8-lead SOIC-N-EP package with excellent thermal performance.
Applications
- Noise-sensitive applications: ADC, DAC circuits, precision amplifiers, high-frequency oscillators, clocks, and phase-locked loops.
- Communications and infrastructure.
- Medical and healthcare devices.
- Industrial and instrumentation applications.
Q & A
- What is the input voltage range of the ADP7102ARDZ-3.3-R7?
The input voltage range is from 3.3V to 20V.
- What is the maximum output current of the ADP7102ARDZ-3.3-R7?
The maximum output current is 300mA.
- What is the output voltage of the ADP7102ARDZ-3.3-R7?
The output voltage is fixed at 3.3V.
- What are the key protection features of the ADP7102ARDZ-3.3-R7?
The key protection features include reverse current protection, foldback current limit, and thermal overload protection).
- What is the noise level of the ADP7102ARDZ-3.3-R7?
The noise level is 15μV rms from 10Hz to 100kHz, with VIN = 6.3V and VOUT = 3.3V).
- What is the quiescent current of the ADP7102ARDZ-3.3-R7?
The quiescent current is 750μA at a 300mA load and VIN = 5V).
- What is the operating temperature range of the ADP7102ARDZ-3.3-R7?
The operating temperature range is from −40°C to +125°C).
- What package style is the ADP7102ARDZ-3.3-R7 available in?
The ADP7102ARDZ-3.3-R7 is available in an 8-lead SOIC-N-EP package).
- Does the ADP7102ARDZ-3.3-R7 have a power-good indicator?
Yes, it features a digital power-good output for monitoring the health of the output voltage).
- Can the undervoltage lockout (UVLO) function be programmed?
Yes, the ADP7102ARDZ-3.3-R7 has a user-programmable precision undervoltage lockout (UVLO) function).
