Overview
The ADP2303ARDZ-2.5-R7 is a fixed-frequency, current-mode control, step-down DC-DC regulator produced by Analog Devices Inc. This device is part of the ADP2302/ADP2303 series and is designed to provide efficient and reliable voltage regulation. It features an integrated power MOSFET and operates within a wide input voltage range of 3.0 V to 20 V, making it suitable for various applications. The ADP2303ARDZ-2.5-R7 is specifically configured to provide a fixed output voltage of 2.5 V and can handle a maximum load current of 3 A.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.0 to 20 | V |
| Output Voltage | 2.5 | V |
| Maximum Load Current | 3 | A |
| Output Voltage Accuracy | ±1.5% | % |
| Switching Frequency | 700 kHz | kHz |
| Package Type | 8-Lead SOIC_N_EP | - |
| Junction Temperature Range | -40°C to +125°C | °C |
| Thermal Resistance (θJA) | 58.5 | °C/W |
Key Features
- Wide input voltage range: 3.0 V to 20 V
- Fixed output voltage of 2.5 V with ±1.5% accuracy over temperature
- Maximum load current of 3 A
- 700 kHz switching frequency allowing for compact solution with small inductor and ceramic capacitors
- Current-mode control architecture for fast and stable line and load transient performance
- Integrated soft start circuitry to prevent large inrush current at power-up
- Power-good signal for sequencing devices with enable input
- Precision enable threshold voltage for easy sequencing from other input/output supplies
- Protection features include undervoltage lockout (UVLO), overvoltage protection (OVP), thermal shutdown (TSD), and overcurrent protection (OCP)
- Operates in fixed-frequency PWM mode and pulse-skip mode at light loads to improve efficiency
Applications
The ADP2303ARDZ-2.5-R7 is versatile and can be used in a variety of applications, including:
- Industrial control systems
- Medical devices
- Aerospace and defense systems
- Automotive systems
- Consumer electronics requiring efficient and reliable DC-DC conversion
Q & A
- What is the input voltage range of the ADP2303ARDZ-2.5-R7?
The input voltage range is from 3.0 V to 20 V.
- What is the fixed output voltage of the ADP2303ARDZ-2.5-R7?
The fixed output voltage is 2.5 V.
- What is the maximum load current of the ADP2303ARDZ-2.5-R7?
The maximum load current is 3 A.
- What is the switching frequency of the ADP2303ARDZ-2.5-R7?
The switching frequency is 700 kHz.
- What type of control architecture does the ADP2303ARDZ-2.5-R7 use?
The device uses current-mode control architecture.
- Does the ADP2303ARDZ-2.5-R7 have built-in protection features?
Yes, it includes undervoltage lockout (UVLO), overvoltage protection (OVP), thermal shutdown (TSD), and overcurrent protection (OCP).
- What is the junction temperature range of the ADP2303ARDZ-2.5-R7?
The junction temperature range is from -40°C to +125°C.
- What package type is the ADP2303ARDZ-2.5-R7 available in?
The device is available in an 8-Lead SOIC_N_EP package.
- How does the ADP2303ARDZ-2.5-R7 improve efficiency at light loads?
The device operates in pulse-skip mode at light loads to reduce switching power losses and improve efficiency.
- Does the ADP2303ARDZ-2.5-R7 have a power-good signal feature?
Yes, it includes a power-good signal feature for sequencing devices with enable input.
