Overview
The ADP2302ARDZ-R7, produced by Analog Devices Inc., is a fixed-frequency, current-mode control, step-down DC-DC regulator. This device is part of the ADP2302 series and is designed to provide a high-efficiency power conversion solution. It features an integrated power MOSFET and is available in an 8-lead SOIC package with an exposed paddle, making it suitable for a wide range of applications requiring compact and reliable power management.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.0 to 20 | V |
| Output Voltage Range | 0.8 to 16 (adjustable), 2.5, 3.3, 5.0 (fixed) | V |
| Maximum Load Current | 2 | A |
| Switching Frequency | 700 kHz | kHz |
| Output Voltage Accuracy | ±1.5% over temperature | % |
| Package Type | 8-lead SOIC with exposed paddle | - |
| Junction Temperature Range | -40°C to +125°C | °C |
| Thermal Resistance (θJA) | 58.5 °C/W | °C/W |
Key Features
- Wide input voltage range: 3.0 V to 20 V
- High accuracy output voltage: ±1.5% over temperature
- Integrated power MOSFET for high efficiency
- Fixed-frequency, peak current-mode PWM control architecture
- Pulse-skip mode at light loads to improve efficiency
- Integrated soft start circuitry to prevent large inrush current at power-up
- Power-good signal for sequencing devices
- Undervoltage lockout (UVLO), overvoltage protection (OVP), thermal shutdown (TSD), and overcurrent protection (OCP)
Applications
The ADP2302ARDZ-R7 is suitable for various applications requiring efficient and reliable DC-DC power conversion. These include:
- Industrial control systems
- Medical devices
- Telecommunications equipment
- Aerospace and defense systems
- Automotive systems
- Consumer electronics requiring compact power solutions
Q & A
- What is the input voltage range of the ADP2302ARDZ-R7?
The input voltage range is from 3.0 V to 20 V.
- What are the available output voltage options for the ADP2302ARDZ-R7?
The output voltage can be adjusted from 0.8 V to 16 V, or fixed at 2.5 V, 3.3 V, or 5.0 V.
- What is the maximum load current of the ADP2302ARDZ-R7?
The maximum load current is 2 A.
- What is the switching frequency of the ADP2302ARDZ-R7?
The switching frequency is 700 kHz.
- What type of package does the ADP2302ARDZ-R7 come in?
The device is available in an 8-lead SOIC package with an exposed paddle.
- What are the key protection features of the ADP2302ARDZ-R7?
The device includes undervoltage lockout (UVLO), overvoltage protection (OVP), thermal shutdown (TSD), and overcurrent protection (OCP).
- How does the ADP2302ARDZ-R7 manage power efficiency at light loads?
The device shifts to a pulse-skip mode at light loads to reduce switching power losses and improve efficiency.
- What is the junction temperature range of the ADP2302ARDZ-R7?
The junction temperature range is from -40°C to +125°C.
- Does the ADP2302ARDZ-R7 have integrated soft start circuitry?
Yes, the device has integrated soft start circuitry to prevent large inrush current at power-up.
- Can the ADP2302ARDZ-R7 be used for sequencing devices?
Yes, the device includes a power-good signal that can be used to sequence devices that have an enable input.
