Overview
The ADP2371ACPZ-R7, produced by Analog Devices Inc., is a high-efficiency, low quiescent current, buck (step-down) DC-to-DC converter. This regulator is designed for optimal power management, offering efficiency and versatility in various electronic systems. It features a wide input voltage range of 3.2V to 15V and an output current of up to 800mA, making it suitable for applications requiring reliable and efficient power conversion. The device uses a proprietary high-speed current mode, constant frequency PWM control scheme for excellent stability and transient response. Additionally, it includes an internal power switch and a synchronous rectifier, minimizing the need for external components and enhancing overall efficiency.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Function | Step-Down | |
| Topology | Buck | |
| Output Type | Fixed/Adjustable | |
| Input Voltage (Min) | 3.2 | V |
| Input Voltage (Max) | 15 | V |
| Output Voltage (Fixed) | 3.3V (or adjustable) | V |
| Output Current | 800 | mA |
| Switching Frequency | 600kHz ~ 1.2MHz | |
| Synchronous Rectifier | Yes | |
| Operating Temperature | -40°C ~ 125°C | |
| Package / Case | 8-LFCSP-WD (3x3) | |
| Mounting Type | Surface Mount | |
| Quiescent Current | 14µA (in PSM) |
Key Features
- High Efficiency: The ADP2371ACPZ-R7 uses a synchronous rectifier architecture to achieve high efficiency, reducing the need for an external rectifier.
- Low Quiescent Current: The device operates with a low quiescent current of 14µA in power saving mode, ensuring long battery life in portable applications.
- Variable Frequency Mode: It employs a power-saving variable frequency mode that reduces the switching frequency under light load conditions, enhancing efficiency.
- Quick Output Discharge: The regulator features a quick output discharge function for rapid shutdown when required, adding a layer of safety and ease of use.
- Compliance to International Standards: The device complies with international standards, ensuring safe and reliable operation.
- Minimal External Components: The total solution requires only three tiny external components, simplifying the design and reducing the overall component count.
Applications
- Portable and Battery-Powered Equipment: Ideal for devices requiring efficient power conversion to extend battery life.
- Automatic Meter Readers (WSN): Suitable for wireless sensor networks and other metering applications.
- Point of Sales and Transaction Processing Instruments: Reliable performance in transactional devices.
- Medical Instruments: Used in medical devices where high efficiency and reliability are crucial.
- Medium Format Display Tablets and Pads: Applicable in various display and computing devices.
Q & A
- What is the input voltage range of the ADP2371ACPZ-R7?
The input voltage range is from 3.2V to 15V.
- What is the maximum output current of the ADP2371ACPZ-R7?
The maximum output current is 800mA.
- What is the switching frequency range of the ADP2371ACPZ-R7?
The switching frequency range is from 600kHz to 1.2MHz.
- Does the ADP2371ACPZ-R7 have a synchronous rectifier?
Yes, it uses a high-efficiency synchronous rectifier architecture.
- What is the operating temperature range of the ADP2371ACPZ-R7?
The operating temperature range is from -40°C to 125°C.
- What package type does the ADP2371ACPZ-R7 come in?
The device comes in an 8-LFCSP-WD (3x3) package.
- Is the ADP2371ACPZ-R7 suitable for surface mounting?
Yes, it is designed for surface mount applications.
- What is the quiescent current of the ADP2371ACPZ-R7 in power saving mode?
The quiescent current is 14µA in power saving mode (PSM).
- Does the ADP2371ACPZ-R7 support variable frequency mode?
Yes, it employs a power-saving variable frequency mode under light load conditions.
- Can the ADP2371ACPZ-R7 be synchronized to an external clock?
Yes, it is synchronizable to an external clock, supported by ADIsimPower design tool.
