Overview
The ADP2302ARDZ-3.3-R7 is a high-performance, step-down (buck) DC-DC regulator manufactured by Analog Devices Inc. This component is designed to provide a fixed output voltage of 3.3V with a maximum load current of 2A. It is part of the ADP2302 series, which is known for its wide input voltage range, high efficiency, and compact design.
This regulator is suitable for a variety of applications requiring stable and efficient power conversion, particularly in systems where space is limited and high reliability is crucial.
Key Specifications
| Specification | Value |
|---|---|
| Type | Step-Down (Buck) |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Output | 3.3V |
| Voltage - Input | 3 V ~ 20 V |
| PWM Type | Current Mode |
| Frequency - Switching | 700kHz |
| Current - Output | 2A |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC-EP |
Key Features
- Wide Input Voltage Range: Operates from 3.0 V to 20 V, making it suitable for a wide range of applications.
- High Output Current: Provides up to 2A of output current.
- High Efficiency: Uses a fixed-frequency, peak current-mode PWM control architecture and shifts to pulse-skip mode at light loads to improve efficiency.
- Compact Design: The 700 kHz operating frequency allows the use of small inductors and ceramic capacitors, providing a compact solution.
- Integrated Soft Start: Prevents large inrush current at power-up.
- Protection Features: Includes undervoltage lockout (UVLO), overvoltage protection (OVP), thermal shutdown (TSD), and overcurrent protection (OCP).
- Power-Good Signal: Allows sequencing of devices with an enable input.
Applications
- Portable Electronics: Suitable for battery-powered devices due to its high efficiency and compact design.
- Industrial Control Systems: Can be used in various industrial applications requiring stable and reliable power conversion.
- Automotive Systems: Applicable in automotive systems due to its wide input voltage range and robust protection features.
- Medical Devices: Ideal for medical equipment that requires high reliability and precision in power supply.
- Communication Equipment: Used in communication devices where efficient and stable power supply is essential.
Q & A
- What is the output voltage of the ADP2302ARDZ-3.3-R7?
The output voltage is fixed at 3.3V.
- What is the maximum input voltage for the ADP2302ARDZ-3.3-R7?
The maximum input voltage is 20V.
- What is the switching frequency of the ADP2302ARDZ-3.3-R7?
The switching frequency is 700kHz.
- Does the ADP2302ARDZ-3.3-R7 have integrated protection features?
Yes, it includes undervoltage lockout (UVLO), overvoltage protection (OVP), thermal shutdown (TSD), and overcurrent protection (OCP).
- What is the operating temperature range of the ADP2302ARDZ-3.3-R7?
The operating temperature range is -40°C to 125°C.
- What type of package does the ADP2302ARDZ-3.3-R7 come in?
The component is packaged in an 8-lead SOIC with exposed paddle.
- Does the ADP2302ARDZ-3.3-R7 support synchronous rectification?
No, it does not support synchronous rectification.
- What is the purpose of the power-good signal in the ADP2302ARDZ-3.3-R7?
The power-good signal allows sequencing of devices that have an enable input.
- How does the ADP2302ARDZ-3.3-R7 improve efficiency at light loads?
It shifts to pulse-skip mode at light loads to reduce switching power losses and improve efficiency.
- Is the ADP2302ARDZ-3.3-R7 RoHS compliant?
Yes, the component is RoHS compliant.
