ADP7104ARDZ-5.0-R7

The ADP7104ARDZ-5.0-R7 is a CMOS, low dropout (LDO) linear regulator manufactured by Analog Devices. It operates from an input voltage range of 3.3V to 20V and provides up to 500mA of output current. This high input voltage LDO is specifically designed for the regulation of high-performance analog and mixed signal circuits that operate from 19V to 1.22V rails.

Key Features:

1. Advanced Architecture: The ADP7104ARDZ-5.0-R7 employs an advanced proprietary architecture that provides high power supply rejection (PSRR) and low noise. It achieves excellent line and load transient response with just a small 1μF ceramic output capacitor.
2. Low Noise: The output noise voltage is 15μV rms for fixed output versions, ensuring low noise performance in noise-sensitive applications.
3. High PSRR: With a PSRR performance of 60dB at 10kHz (VOUT = 3.3V), the ADP7104ARDZ-5.0-R7 effectively rejects power supply noise, making it suitable for applications requiring high signal integrity.
4. Precision Regulation: The initial accuracy is ±0.8%, with an accuracy over line, load, and temperature ranging from -2% to +1% (TJ = -40°C to +125°C) and -1.25% to +1% (TJ = 0°C to +85°C).
5. Protection Features: The device includes reverse current protection, foldback current limit, and thermal overload protection to ensure safe and reliable operation.
6. User-Programmable Features: It offers user-programmable precision under-voltage lockout (UVLO)/enable and a power-good indicator, providing additional control and monitoring capabilities.
7. Compact Packaging: Available in 8-lead LFCSP and 8-lead SOIC packages, the ADP7104ARDZ-5.0-R7 offers a compact footprint suitable for space-constrained applications.
8. Output Options: The ADP7104ARDZ-5.0-R7 provides a fixed output voltage of 5V and also offers adjustable output versions that can be set to any voltage within the range of 1.22V to VIN – VDO (dropout voltage).

Applications:

The ADP7104ARDZ-5.0-R7 is ideal for a wide range of applications, including:

• Noise-sensitive circuits such as ADCs, DACs, precision amplifiers, high-frequency oscillators, clocks, and PLLs.
• Communications and infrastructure equipment.
• Medical and healthcare devices.
• Industrial and instrumentation systems.

In summary, the ADP7104ARDZ-5.0-R7 is a high-performance, low-noise LDO linear regulator that offers precise regulation, advanced protection features, and a compact footprint. Its versatility makes it suitable for a wide range of applications requiring high signal integrity and reliable power management.