Overview
The ADP2300AUJZ-R2, 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 voltage and output current capabilities. The ADP2300AUJZ-R2 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 to 20 | V |
| Output Voltage Range | 0.8 to 17 | V |
| Output Current | 1.2 | A |
| Switching Frequency | 700 kHz | - |
| Topology | Buck | - |
| Number of Channels | 1 | - |
| Operating Temperature Range | −40 to +125 | °C |
| Efficiency | Up to 91% | - |
| Package Type | TSOT6 | - |
| Mounting Type | SMD | - |
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.
- Precise, low voltage internal reference with ±2% accuracy for regulated output voltage.
- Internal soft start to prevent inrush current at power-up.
- Short-circuit protection, thermal shutdown (TSD), and input undervoltage lockout (UVLO) for enhanced safety.
- Programmable UVLO input using a resistive divider.
- High switching frequency options (700 kHz for ADP2300) to balance efficiency and solution size.
- Pulse-skip mode control at light loads to reduce switching power losses and improve efficiency.
Applications
The ADP2300AUJZ-R2 is suitable for a variety of applications, including but not limited to:
- 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 high reliability is crucial.
- Consumer electronics like set-top boxes, gaming consoles, and smart home devices.
Q & A
- What is the input voltage range of the ADP2300AUJZ-R2?
The input voltage range is from 3.0 V to 20 V.
- What is the maximum output current of the ADP2300AUJZ-R2?
The maximum output current is 1.2 A.
- What is the switching frequency of the ADP2300AUJZ-R2?
The switching frequency is 700 kHz.
- What type of package does the ADP2300AUJZ-R2 come in?
The device comes in a 6-lead TSOT package.
- What are the key safety features of the ADP2300AUJZ-R2?
The key safety features include short-circuit protection, thermal shutdown (TSD), and input undervoltage lockout (UVLO).
- How does the ADP2300AUJZ-R2 handle light load conditions?
The device shifts to a pulse-skip mode control scheme at light loads to reduce switching power losses and improve efficiency.
- What is the operating temperature range of the ADP2300AUJZ-R2?
The operating temperature range is from −40°C to +125°C.
- Can the ADP2300AUJZ-R2 be used in high-reliability applications?
Yes, it is suitable for high-reliability applications such as aerospace and defense systems.
- How does the internal soft start feature work?
The internal soft start feature prevents inrush current at power-up, ensuring a smooth startup process.
- Can the UVLO threshold be programmed?
Yes, the UVLO threshold can be programmed using a resistive divider.
