Overview
The ADP2301AUJZ-R2, produced by Analog Devices Inc., is a compact, constant-frequency, current-mode, step-down DC-DC regulator. This device is integrated with a high-side power MOSFET and is designed to operate from input voltages ranging from 3.0 V to 20 V, making it suitable for a wide range of applications. It can generate a regulated output voltage as low as 0.8 V with ±2% accuracy and support up to 1.2 A of load current. The ADP2301AUJZ-R2 operates at a fixed frequency of 1.4 MHz, allowing for a balance between efficiency and solution size.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 3.0 V to 20 V |
| Output Voltage Range | 0.8 V to 17 V |
| Output Current | Up to 1.2 A |
| Switching Frequency | 1.4 MHz |
| Accuracy | ±2% |
| Package Type | TSOT-6 |
| Junction Temperature Range | −40°C to +125°C |
| Safety Features | Short-circuit protection, thermal shutdown (TSD), input undervoltage lockout (UVLO) |
Key Features
- Compact, constant-frequency, current-mode control for fast and stable line and load transient performance.
- Integrated high-side power MOSFET for efficient operation.
- Internal soft start to prevent inrush current at power-up.
- Precision enable pin threshold voltage for easy sequencing and programmable UVLO input.
- Operation in fixed-frequency PWM mode and pulse-skip mode at light loads to improve efficiency.
- High switching frequency and ultrasmall package size for small step-down DC-DC regulator solutions.
Applications
The ADP2301AUJZ-R2 is suitable for various applications requiring efficient and compact DC-DC conversion, such as:
- Portable electronics and battery-powered devices.
- Industrial control systems and automation.
- Medical devices and equipment.
- Aerospace and defense systems.
- Consumer electronics and appliances.
Q & A
- What is the input voltage range of the ADP2301AUJZ-R2?
The input voltage range is from 3.0 V to 20 V. - What is the maximum output current of the ADP2301AUJZ-R2?
The maximum output current is up to 1.2 A. - At what frequency does the ADP2301AUJZ-R2 operate?
The ADP2301AUJZ-R2 operates at a fixed frequency of 1.4 MHz. - What is the accuracy of the output voltage regulation?
The output voltage regulation accuracy is ±2%. - What safety features are included in the ADP2301AUJZ-R2?
The device includes short-circuit protection, thermal shutdown (TSD), and input undervoltage lockout (UVLO). - What is the package type of the ADP2301AUJZ-R2?
The package type is TSOT-6. - What is the junction temperature range of the ADP2301AUJZ-R2?
The junction temperature range is −40°C to +125°C. - How does the ADP2301AUJZ-R2 manage efficiency at light loads?
The device transitions to a pulse-skip mode at light loads to reduce switching power losses and improve efficiency. - What is the purpose of the internal soft start feature?
The internal soft start feature prevents inrush current at power-up. - Can the enable pin be used for other functions?
Yes, the precision enable pin threshold voltage can be used for easy sequencing and as a programmable UVLO input.
