Diodes Incorporated AP7361EA-33FGE-7A

AP7361EA-33FGE-7A - High-Performance Low Dropout Voltage Regulator

The AP7361EA-33FGE-7A is a precision-engineered low dropout (LDO) voltage regulator from Diodes Incorporated, specifically designed to deliver rock-solid 3.3V output voltage with exceptional current capability up to 1A. This advanced fixed positive output regulator combines superior voltage regulation accuracy, ultra-low quiescent current consumption of just 91 µA, and comprehensive multi-layer protection features including over-current protection, over-temperature shutdown, and short circuit protection—making it the ideal choice for power-sensitive embedded applications.

Why Choose the AP7361EA-33FGE-7A LDO Regulator?

Engineers and designers worldwide trust this voltage regulator for its outstanding performance characteristics and reliability. With an impressively low dropout voltage of only 0.5V at full 1A load, this LDO maximizes efficiency in battery-powered designs while maintaining stable output even when input voltage approaches the regulated output level. The ultra-low quiescent current ensures minimal power waste during standby or light-load conditions, extending battery life in portable applications.

Key Features & Benefits:

• Fixed 3.3V output voltage with precision regulation and 1A maximum output current capability
• Ultra-low dropout voltage: Only 0.5V @ 1A load, maximizing efficiency and battery runtime
• Minimal quiescent current: 91 µA typical, ideal for battery-powered and energy-efficient designs
• Wide input voltage range: Accepts input voltages up to 6V for flexible power supply design
• Comprehensive protection suite: Built-in over-current limiting, over-temperature shutdown, and short circuit protection safeguard your circuit
• Advanced control features: Enable pin for power sequencing and current limit control for design flexibility
• Industrial temperature range: Operates reliably from -40°C to 85°C (TA) for harsh environments
• Compact surface mount package: Space-saving U-DFN3030-8 (Type E) footprint with exposed thermal pad for enhanced heat dissipation
• Fast transient response: Maintains stable output during rapid load changes
• Low output noise: Clean power delivery for noise-sensitive analog and RF circuits

This LDO voltage regulator excels in demanding applications where stable, low-noise power delivery is critical. The combination of low dropout, minimal quiescent current, and robust protection makes it perfect for battery-powered devices, portable instrumentation, wireless communication modules, and precision analog circuits.

Target Applications & Use Cases

The AP7361EA-33FGE-7A LDO regulator is the perfect power solution for a wide range of embedded electronics and industrial applications:

• Microcontroller & Processor Power Supplies: Provides clean, stable 3.3V power for ARM Cortex, AVR, PIC, and other MCU families
• Sensor Modules & Measurement Systems: Low-noise output ensures accurate readings from precision sensors and ADCs
• IoT & Wireless Devices: Ultra-low quiescent current extends battery life in connected devices, LoRa modules, and BLE applications
• Portable Instrumentation: Reliable power delivery for handheld test equipment and measurement devices
• Battery-Powered Consumer Electronics: Smartphones, tablets, wearables, and portable audio devices benefit from efficient power conversion
• Industrial Control Systems: Wide temperature range supports harsh industrial environments
• Automotive Electronics: Suitable for automotive auxiliary systems and infotainment modules
• Medical Devices: Clean power for portable medical equipment and patient monitoring systems

Design Considerations: When implementing the AP7361EA-33FGE-7A in your circuit design, ensure adequate input and output capacitors for stability (typically 1µF ceramic capacitors). The exposed thermal pad should be soldered to a ground plane for optimal thermal performance. The enable pin allows for power sequencing and shutdown control, reducing overall system power consumption.

Explore Related Components & Resources

Building a complete power management solution? Discover our extensive range of Memory Semiconductor Devices including EEPROM, Flash, DRAM, and SRAM solutions to complement your voltage regulator design and create robust embedded systems.

Shop authentic electronic components with confidence at HQICKEY, your trusted global supplier of genuine semiconductors, integrated circuits, and industrial electronics. We guarantee 100% authentic parts with full manufacturer warranty and worldwide shipping.

Stay informed about the latest semiconductor technologies, design tips, application notes, and industry trends by visiting our News & Technical Blog. Get expert insights, product announcements, and technical resources to accelerate your next project.

Quality Assurance: All AP7361EA-33FGE-7A units are sourced directly from authorized Diodes Incorporated distributors and undergo rigorous quality inspection. Each component comes with full traceability documentation and manufacturer's warranty. We support engineers worldwide with technical documentation, application support, and fast global shipping.

• AP7361EA-33FGE-7A.pdf