ADP2301AUJZ-R7

The ADP2301AUJZ-R7 is a compact, constant-frequency, current-mode, step-down DC-to-DC regulator with an integrated power MOSFET from Analog Devices Inc. It is designed to provide high efficiency and stability for a wide range of power conversion applications.

Key Features

• Compact Design: The ADP2301AUJZ-R7 adopts a 6-pin TSOT package, making it suitable for space-constrained applications.
• Wide Input Voltage Range: It operates from an input voltage of 3.0 V to 20 V, making it versatile for various power sources.
• High Efficiency: With an efficiency of up to 91%, the ADP2301AUJZ-R7 minimizes power loss and heat generation.
• Current-Mode Control: This control architecture provides fast and stable line and load transient responses, ensuring reliable power delivery.
• Adjustable Output Voltage: The output voltage is adjustable from 0.8 V to 0.85 × VIN, providing flexibility for different load requirements.
• Switching Frequency Options: The ADP2301AUJZ-R7 offers a switching frequency of 1.4 MHz, allowing for the minimization of system noise and the synchronization of switching frequencies with external clocks.
• Automatic PFM/PWM Mode Switching: The device automatically switches between Pulse Frequency Modulation (PFM) and Pulse Width Modulation (PWM) modes to optimize efficiency and reduce power consumption.
• Protection Features: It includes short-circuit protection, thermal shutdown (TSD), and input under-voltage lockout (UVLO) to protect the device and the load from damage.
• Precision Enable Pin: The enable pin with hysteresis allows for precise control of the device’s operation and sequencing with other power supplies.
• Integrated Components: The ADP2301AUJZ-R7 integrates a high-side MOSFET, a bootstrap diode, internal compensation, and soft-start circuitry, reducing the need for external components.

Applications

The ADP2301AUJZ-R7 is suitable for a wide range of applications, including:

• Digital load applications as an LDO replacement.
• Intermediate power rail conversion.
• Communications and networking equipment.
• Industrial and instrumentation systems.
• Healthcare and consumer electronics.

Operating Conditions

• Operating Temperature: The device operates over a temperature range of -40°C to +125°C.
• Output Current: It can provide a maximum load current of 1.2 A.
• Output Accuracy: The output voltage accuracy is ±2% over the temperature range.

In summary, the ADP2301AUJZ-R7 is a versatile and efficient step-down DC-to-DC regulator that offers a combination of compact design, wide input voltage range, high efficiency, and robust protection features. Its adjustable output voltage and switching frequency options make it suitable for a variety of power conversion applications.