사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 13V |
| Current - Output | 3A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The MP1497DJ-LF-Z is a step-down (buck) converter designed for efficient power management in electronic devices. It operates with an input voltage range typically between 4.5V and 18V, and can deliver up to 2A of continuous output current. The device features a high switching frequency, reducing the size of external components and improving overall efficiency.
Key features of the MP1497DJ-LF-Z include its integrated high-side and low-side MOSFETs, which simplify the design and reduce external component count. It also has a built-in soft-start function to prevent inrush current during startup, and offers various protections such as over-current protection, thermal shutdown, and short-circuit protection to enhance reliability.
The converter is suitable for applications such as consumer electronics, telecommunications, and industrial power supplies where space and power efficiency are critical. Its compact design and advanced features make it an attractive choice for designers looking to implement efficient DC-DC conversion in their systems.
Key features of the MP1497DJ-LF-Z include its integrated high-side and low-side MOSFETs, which simplify the design and reduce external component count. It also has a built-in soft-start function to prevent inrush current during startup, and offers various protections such as over-current protection, thermal shutdown, and short-circuit protection to enhance reliability.
The converter is suitable for applications such as consumer electronics, telecommunications, and industrial power supplies where space and power efficiency are critical. Its compact design and advanced features make it an attractive choice for designers looking to implement efficient DC-DC conversion in their systems.
Equivalent
The MP1497DJ-LF-Z is a DC-DC buck converter from Monolithic Power Systems. Equivalent products can include the LM2596 from Texas Instruments, the LM2675 from Texas Instruments, the AP3211 from Diodes Incorporated, and the TPS54331 from Texas Instruments. These products typically have similar input voltage ranges, output current capabilities, and switching frequencies, making them suitable alternatives in similar applications. Always verify specifications to ensure compatibility with your specific application.
Features
The MP1497DJ-LF-Z is a step-down (buck) converter designed by Monolithic Power Systems. Key features include:
1. Input Voltage Range: Operates efficiently over a wide input voltage range, typically from 4.5V to 16V, making it versatile for various power supply sources.
2. Output Current: Capable of providing up to 2A continuous output current, suitable for powering demanding loads.
3. Efficiency: Offers high efficiency over a broad load range, which helps in reducing power loss and heat generation.
4. Switching Frequency: The device operates at a fixed 1.2MHz switching frequency, allowing for smaller external components and a compact solution size.
5. Protection Features: Includes built-in over-current protection, short-circuit protection, and thermal shutdown, enhancing the reliability of the power system.
6. Soft Start: Features an internal soft-start function to prevent inrush current during startup, protecting both the device and connected components.
7. Low Dropout Operation: Ensures stability and performance even at low dropout conditions.
These features make the MP1497DJ-LF-Z a reliable choice for portable and compact electronic applications requiring efficient power conversion.
1. Input Voltage Range: Operates efficiently over a wide input voltage range, typically from 4.5V to 16V, making it versatile for various power supply sources.
2. Output Current: Capable of providing up to 2A continuous output current, suitable for powering demanding loads.
3. Efficiency: Offers high efficiency over a broad load range, which helps in reducing power loss and heat generation.
4. Switching Frequency: The device operates at a fixed 1.2MHz switching frequency, allowing for smaller external components and a compact solution size.
5. Protection Features: Includes built-in over-current protection, short-circuit protection, and thermal shutdown, enhancing the reliability of the power system.
6. Soft Start: Features an internal soft-start function to prevent inrush current during startup, protecting both the device and connected components.
7. Low Dropout Operation: Ensures stability and performance even at low dropout conditions.
These features make the MP1497DJ-LF-Z a reliable choice for portable and compact electronic applications requiring efficient power conversion.
Pinout
The MP1497DJ-LF-Z is a 4A, 36V, step-down, switch-mode converter from Monolithic Power Systems. It is typically used for applications requiring power conversion in computing, consumer electronics, and industrial equipment.
The MP1497DJ is available in a 10-pin, 3 mm x 3 mm QFN package. Its primary functions include:
1. VIN Pin (Power Input): Connects to the input voltage source.
2. SW Pin (Switch Node): Connects to the inductor and the internal power switches.
3. FB Pin (Feedback): Used to set the output voltage via an external resistor divider.
4. EN Pin (Enable): Enables or disables the converter.
5. COMP Pin (Compensation): Connects to an external compensation network to stabilize the control loop.
6. BST Pin (Boost): Provides the drive voltage for the high-side MOSFET.
7. GND Pin (Ground): Ground reference for the circuit.
8. SS Pin (Soft Start): Connects to a capacitor to control the soft-start timing.
9. SYNC Pin: Allows synchronization with an external clock.
10. PG Pin (Power Good): Indicates when the output voltage is in regulation.
This package and pin configuration enable efficient power conversion with overcurrent protection, short circuit protection, and a wide operating voltage range.
The MP1497DJ is available in a 10-pin, 3 mm x 3 mm QFN package. Its primary functions include:
1. VIN Pin (Power Input): Connects to the input voltage source.
2. SW Pin (Switch Node): Connects to the inductor and the internal power switches.
3. FB Pin (Feedback): Used to set the output voltage via an external resistor divider.
4. EN Pin (Enable): Enables or disables the converter.
5. COMP Pin (Compensation): Connects to an external compensation network to stabilize the control loop.
6. BST Pin (Boost): Provides the drive voltage for the high-side MOSFET.
7. GND Pin (Ground): Ground reference for the circuit.
8. SS Pin (Soft Start): Connects to a capacitor to control the soft-start timing.
9. SYNC Pin: Allows synchronization with an external clock.
10. PG Pin (Power Good): Indicates when the output voltage is in regulation.
This package and pin configuration enable efficient power conversion with overcurrent protection, short circuit protection, and a wide operating voltage range.
Manufacturer
The MP1497DJ-LF-Z is manufactured by Monolithic Power Systems (MPS). MPS is a company that specializes in the design and production of high-performance, integrated power solutions. They focus on providing innovative power management products that are used across a wide range of applications such as consumer electronics, industrial applications, telecommunications infrastructure, cloud computing, and automotive markets. MPS is known for its commitment to energy efficiency and its ability to integrate power technologies into compact and efficient designs.
Application
The MP1497DJ-LF-Z is a step-down (buck) converter used in various applications requiring efficient voltage regulation. Key areas include:
1. Consumer Electronics: Powering devices such as smartphones, tablets, and gaming consoles.
2. Industrial Equipment: Used in machinery controls and automation systems.
3. Telecommunications: Provides stable power for networking devices and communication systems.
4. Automotive: Powers electronic control units (ECUs) and infotainment systems.
5. Computing: Voltage regulation for motherboards, graphic cards, and peripherals.
Its compact size and high efficiency make it suitable for compact and power-sensitive applications.
1. Consumer Electronics: Powering devices such as smartphones, tablets, and gaming consoles.
2. Industrial Equipment: Used in machinery controls and automation systems.
3. Telecommunications: Provides stable power for networking devices and communication systems.
4. Automotive: Powers electronic control units (ECUs) and infotainment systems.
5. Computing: Voltage regulation for motherboards, graphic cards, and peripherals.
Its compact size and high efficiency make it suitable for compact and power-sensitive applications.
Package
The MP1497DJ-LF-Z is typically supplied in a TSOT-23-8 package. This package type is a small-outline, surface-mount format, suitable for compact electronic designs.
