規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 50V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 25V |
| Current-Output | 3A |
| Frequency-Switching | 100kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) Exposed Pad |
概述
Description
The MP2497GN-A-Z is a step-down (buck) converter designed for power management applications. It efficiently converts a higher input voltage to a lower output voltage, making it suitable for applications requiring stable power delivery to sensitive components. The device typically features a wide input voltage range, high efficiency, and a stable output current. It integrates key components such as a power switch, feedback network, and error amplifier, which simplify the design process and reduce the number of external components needed. The MP2497GN-A-Z is often used in consumer electronics, telecommunications, and computing devices where precise voltage regulation is critical. It may also include protection features like over-current protection, thermal shutdown, and under-voltage lockout to enhance reliability and safety. The compact package size and robust performance make it a versatile choice for designers seeking efficient and compact power solutions. For detailed specifications, performance characteristics, and application circuits, consulting the official datasheet or manufacturer's documentation is recommended.
Equivalent
The MP2497GN-A-Z is a step-down converter chip. Equivalent products from other manufacturers may include:
1. LM2596 by Texas Instruments - A popular step-down voltage regulator.
2. LTC3891 by Analog Devices - A synchronous step-down DC/DC controller.
3. AOZ1282 by Alpha & Omega Semiconductor - A synchronous buck regulator.
When selecting an equivalent, ensure compatibility in terms of voltage, current ratings, and package type. Always verify specifications with the manufacturer’s datasheets.
1. LM2596 by Texas Instruments - A popular step-down voltage regulator.
2. LTC3891 by Analog Devices - A synchronous step-down DC/DC controller.
3. AOZ1282 by Alpha & Omega Semiconductor - A synchronous buck regulator.
When selecting an equivalent, ensure compatibility in terms of voltage, current ratings, and package type. Always verify specifications with the manufacturer’s datasheets.
Features
The MP2497GN-A-Z is a high-frequency, synchronous, step-down switching regulator. It features a wide 4.5V to 36V input voltage range and delivers up to 3A of continuous output current. The device is optimized for high efficiency with its integrated high-side and low-side MOSFETs, which minimize power loss and heat generation. The MP2497GN-A-Z supports a switching frequency of 500kHz, allowing for smaller external components and a compact design.
Key features include a precise 0.8V feedback voltage, adjustable output voltage via an external resistor divider, and protection features such as over-current protection (OCP), thermal shutdown, and under-voltage lockout (UVLO). The device also offers internal soft start to prevent inrush current during startup and a power-good indicator for output monitoring.
The MP2497GN-A-Z comes in a thermally enhanced 8-pin SOIC package, making it suitable for a variety of applications including automotive, industrial, and distributed power systems. Its robust performance and compact size make it ideal for space-constrained environments.
Key features include a precise 0.8V feedback voltage, adjustable output voltage via an external resistor divider, and protection features such as over-current protection (OCP), thermal shutdown, and under-voltage lockout (UVLO). The device also offers internal soft start to prevent inrush current during startup and a power-good indicator for output monitoring.
The MP2497GN-A-Z comes in a thermally enhanced 8-pin SOIC package, making it suitable for a variety of applications including automotive, industrial, and distributed power systems. Its robust performance and compact size make it ideal for space-constrained environments.
Pinout
The MP2497GN-A-Z is a monolithic step-down switch-mode converter with eight pins. This device is designed for high-efficiency power conversion, typically used in applications requiring efficient step-down power supply conversion from higher voltage sources. Here's a brief overview of the pin functions:
1. SW (Switch): Connects to the inductor and is the switching node.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Receives the feedback voltage from an external resistor divider to regulate the output voltage.
4. EN (Enable): Controls the ON/OFF state of the device. A high level enables the device.
5. VIN (Input Voltage): Supplies the input voltage to the IC.
6. SYNC (Synchronization): Allows synchronization to an external clock.
7. COMP (Compensation): Connects to a compensation network to stabilize the control loop.
8. BST (Bootstrap): Provides the voltage to drive the high-side switch.
The MP2497GN-A-Z is typically used in applications such as distributed power systems, battery chargers, and other applications where efficient step-down conversion is required.
1. SW (Switch): Connects to the inductor and is the switching node.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Receives the feedback voltage from an external resistor divider to regulate the output voltage.
4. EN (Enable): Controls the ON/OFF state of the device. A high level enables the device.
5. VIN (Input Voltage): Supplies the input voltage to the IC.
6. SYNC (Synchronization): Allows synchronization to an external clock.
7. COMP (Compensation): Connects to a compensation network to stabilize the control loop.
8. BST (Bootstrap): Provides the voltage to drive the high-side switch.
The MP2497GN-A-Z is typically used in applications such as distributed power systems, battery chargers, and other applications where efficient step-down conversion is required.
Manufacturer
The MP2497GN-A-Z is manufactured by Monolithic Power Systems (MPS). MPS is a company that specializes in the design, development, and marketing of high-performance power solutions. It focuses on providing small, highly efficient power systems for a variety of applications, including industrial, automotive, consumer electronics, and telecommunications. MPS is known for its expertise in analog and mixed-signal semiconductors, and it aims to address the power challenges facing modern electronic devices with its products.
Application
The MP2497GN-A-Z is a step-down converter designed for use in various electronic applications. It is commonly employed in battery-powered devices, portable electronics, and consumer gadgets due to its high efficiency and compact size. Additionally, it finds application in industrial and automotive systems, where stable voltage regulation is required. Its features, such as low quiescent current and wide input voltage range, make it suitable for devices that require efficient power management, such as smartphones, tablets, and wireless communication devices. The MP2497GN-A-Z's ability to deliver consistent performance under varying load conditions also makes it ideal for LED lighting systems and other applications requiring reliable DC-DC conversion.
Package
The MP2497GN-A-Z is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) package type. This type of package is commonly used for surface mount technology, allowing for efficient space utilization on circuit boards.