The ISL9014IRJNZ, manufactured by Intersil Corporation, is a high-performance, low-noise, high PSRR (Power Supply Rejection Ratio) dual LDO (Low Dropout) regulator. It is designed to provide clean and stable power to sensitive analog and digital circuits in a variety of applications.

Applications

• Portable devices (smartphones, tablets, wearables)
• Wireless communication devices
• Audio amplifiers
• Sensor modules
• FPGA and microprocessor power supplies

Features

• Dual LDO regulators in a single package
• High PSRR (70dB at 1kHz)
• Low output noise (25µVrms)
• Low dropout voltage (typically 130mV at 300mA)
• Adjustable output voltage
• Stable with ceramic output capacitors
• Overcurrent protection
• Thermal protection
• Enable pin for each LDO

Benefits

• Provides clean and stable power to sensitive circuits, improving performance and reducing noise.
• Reduces noise and ripple from the power supply, improving the performance of analog circuits.
• Extends battery life in portable devices due to low power consumption.
• Simplifies power supply design with integrated features and stable operation with ceramic capacitors.
• Protects the device from damage due to overcurrent and overtemperature conditions.

Additional Details

The ISL9014IRJNZ consists of two independent LDO regulators in a single package, reducing board space and component count. The high PSRR ensures that noise and ripple from the power supply are effectively rejected, resulting in clean output voltages. The low output noise minimizes interference with sensitive analog circuits, improving their accuracy and performance. The low dropout voltage allows the device to operate with a small voltage difference between the input and output, extending battery life in portable applications. The adjustable output voltage provides flexibility in power supply design, allowing the device to be used in a variety of applications. The device is stable with ceramic output capacitors, which are small, low-cost, and have good performance characteristics. The overcurrent and thermal protection features protect the device from damage in the event of a fault condition. The enable pin allows each LDO to be independently turned on and off, reducing power consumption when not in use. This device is available in a small QFN package.