Nisshinbo Micro Devices Inc. NR1644GA150AE4S-ES

NR1644GA150AE4S-ES - High-Performance 2A Low Dropout Voltage Regulator

The NR1644GA150AE4S-ES from Nisshinbo Micro Devices Inc. is a precision low dropout (LDO) voltage regulator designed for high-current applications requiring exceptional noise performance and power supply rejection. This advanced linear regulator delivers a fixed 1.5V output with up to 2A current capability, making it ideal for powering noise-sensitive analog circuits, RF modules, and high-performance digital systems.

Key Features & Benefits

• High Output Current: Delivers up to 2A continuous current with excellent load regulation
• Ultra-Low Noise: Superior PSRR of 110dB at 1kHz to 70dB at 100kHz ensures clean power delivery for sensitive analog and RF applications
• Low Dropout Voltage: Only 0.326V dropout at 2A load maximizes efficiency and extends battery life in portable devices
• Low Quiescent Current: Just 90µA typical for extended battery life in portable applications
• Comprehensive Protection: Built-in over-current, over-temperature, and UVLO protection safeguards your system against fault conditions
• Power Good Output: Provides system monitoring capability for reliable operation and power sequencing
• Compact Footprint: Space-saving DFN2020-8L package with exposed pad for enhanced thermal performance
• Wide Operating Range: -40°C to 125°C junction temperature for industrial and automotive applications
• Fixed 1.5V Output: Precision voltage regulation for stable power delivery to critical components

Applications & Use Cases

The NR1644GA150AE4S-ES is perfectly suited for demanding power management applications including:

• Wireless Communication: RF power supplies, cellular modules, WiFi/Bluetooth transceivers requiring ultra-clean power
• High-Precision Analog: Data acquisition systems, ADC/DAC power supplies, sensor interfaces, and mixed-signal circuits
• Portable Electronics: Battery-powered devices, smartphones, tablets, and wearable technology
• Industrial Control: PLCs, motor controllers, instrumentation, and process control systems
• Automotive Electronics: Infotainment systems, ADAS sensors, dashboard displays, and body control modules
• IoT & Edge Computing: Smart sensors, edge AI processors, wireless sensor networks, and connected devices
• Medical Equipment: Patient monitoring devices, diagnostic equipment, and portable medical instruments
• Audio Systems: High-fidelity audio amplifiers, professional audio equipment, and noise-sensitive audio circuits

Design Considerations & Performance

When integrating the NR1644GA150AE4S-ES into your design, consider these key performance characteristics:

• Thermal Management: The exposed pad design enables efficient heat dissipation. Ensure adequate PCB copper area for thermal relief when operating at high currents.
• Input Capacitance: Use low-ESR ceramic capacitors at the input to maintain stability and minimize input voltage ripple.
• Output Capacitance: Proper output capacitor selection ensures fast transient response and maintains stability across varying load conditions.
• Enable Control: The enable pin allows for power sequencing and shutdown control, reducing overall system power consumption.
• Power Good Signal: Monitor the power good output to ensure proper voltage regulation before enabling downstream circuits.

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• 100% authentic components with manufacturer warranty support
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• Comprehensive product documentation and datasheets
• Quality assurance and rigorous testing procedures

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Order your NR1644GA150AE4S-ES voltage regulator today and experience reliable, high-performance power management for your critical applications. Contact our technical team for volume pricing, custom packaging options, or design support.

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• NR1644GA150AE4S-ES.pdf