Overview
The ADP2301AUJZ-R7, produced by Analog Devices Inc., is a compact, constant-frequency, current-mode, step-down dc-to-dc regulator. This device is integrated with a high-side power MOSFET and is designed for a wide range of applications due to its versatility in input and output voltage ranges. The ADP2301 operates from input voltages of 3.0 V to 20 V and can regulate output voltages as low as 0.8 V with ±2% accuracy, supporting up to 1.2 A of load current. It is available in a 6-lead TSOT package and is rated for a junction temperature range of −40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.0 V to 20 V | V |
| Output Voltage Range | 0.8 V to 17 V | V |
| Maximum Output Current | 1.2 A | A |
| Switching Frequency | 1.4 MHz | Hz |
| Package Type | TSOT-6 | |
| Junction Temperature Range | −40°C to +125°C | °C |
| Accuracy | ±2% |
Key Features
- Constant-frequency, current-mode control for fast and stable line and load transient performance.
- Integrated high-side power MOSFET for efficient power conversion.
- Internal soft start to prevent inrush current at power-up.
- Short-circuit protection, thermal shutdown (TSD), and input undervoltage lockout (UVLO) for enhanced safety.
- Precision enable pin threshold voltage for easy sequencing from other input/output supplies and programmable UVLO input using a resistive divider.
- Operation in fixed-frequency PWM mode and pulse-skip mode at light loads to improve efficiency.
Applications
The ADP2301AUJZ-R7 is suitable for a variety of applications, including:
- Portable electronics such as smartphones, tablets, and laptops.
- Industrial control systems and automation equipment.
- Medical devices requiring precise voltage regulation.
- Aerospace and defense systems where compact and reliable power conversion is critical.
- Consumer electronics such as set-top boxes, gaming consoles, and other multimedia devices.
Q & A
- What is the input voltage range of the ADP2301AUJZ-R7?
The input voltage range is from 3.0 V to 20 V.
- What is the maximum output current of the ADP2301AUJZ-R7?
The maximum output current is 1.2 A.
- What is the switching frequency of the ADP2301AUJZ-R7?
The switching frequency is 1.4 MHz.
- What type of package does the ADP2301AUJZ-R7 come in?
The device comes in a 6-lead TSOT package.
- What are the key safety features of the ADP2301AUJZ-R7?
The key safety features include short-circuit protection, thermal shutdown (TSD), and input undervoltage lockout (UVLO).
- How does the ADP2301AUJZ-R7 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 junction temperature range of the ADP2301AUJZ-R7?
The junction temperature range is −40°C to +125°C.
- Can the ADP2301AUJZ-R7 be used for sequencing with other supplies?
Yes, the precision enable pin threshold voltage allows for easy sequencing from other input/output supplies.
- What is the accuracy of the output voltage regulation of the ADP2301AUJZ-R7?
The output voltage regulation accuracy is ±2%.
- What are some typical applications of the ADP2301AUJZ-R7?
Typical applications include portable electronics, industrial control systems, medical devices, aerospace and defense systems, and consumer electronics.
