사양
| 속성 | 가치 |
| Package / Case | Tube |
| Part Status | Active |
| 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) | 15.2V |
| Current - Output | 3A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The MP1475SGJ-Z is a compact, high-efficiency, step-down (buck) converter designed for applications requiring a stable power supply. It operates over a wide input voltage range and delivers a fixed output voltage, making it suitable for various electronic devices and systems. The device features a high switching frequency, which allows for smaller external components, reducing the overall design footprint. It also incorporates advanced protection features, such as over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable and safe operation. The MP1475SGJ-Z is typically used in consumer electronics, telecommunications equipment, and industrial applications. Its small size and high performance make it ideal for space-constrained environments.
Equivalent
The MP1475SGJ-Z is a synchronous step-down converter by Monolithic Power Systems. Equivalent products include the LM2596 by Texas Instruments, the TPS54331 by Texas Instruments, the LMR14030 by Texas Instruments, the AP63203 by Diodes Incorporated, and the SY8089 by Silergy Corp. These alternatives offer similar functionalities, such as a high-efficiency buck converter with a similar input voltage range and output current capabilities. Always verify specific requirements and pin compatibility for exact applications.
Features
The MP1475SGJ-Z is a DC-DC buck converter designed for efficient power management. Key features include:
1. Wide Input Voltage Range: It supports an input range from typically 4.5V to 18V, making it suitable for various applications.
2. Output Voltage: It can deliver a fixed output voltage, which is adjustable depending on external components.
3. High Efficiency: The converter is designed to provide high efficiency, minimizing power loss during the voltage conversion process.
4. Current Capability: It offers a substantial output current capability suitable for powering different loads.
5. Integrated Power MOSFETs: Built-in power MOSFETs reduce the need for external components, simplifying the design.
6. Protection Features: It includes over-current protection, thermal shutdown, and under-voltage lockout to ensure reliable operation and protect against potential damage.
7. Compact Package: The device comes in a compact package, making it ideal for space-constrained applications.
8. Switching Frequency: It operates at a fixed switching frequency, improving noise performance and allowing for smaller external components.
These features make the MP1475SGJ-Z a versatile and efficient choice for power supply designs.
1. Wide Input Voltage Range: It supports an input range from typically 4.5V to 18V, making it suitable for various applications.
2. Output Voltage: It can deliver a fixed output voltage, which is adjustable depending on external components.
3. High Efficiency: The converter is designed to provide high efficiency, minimizing power loss during the voltage conversion process.
4. Current Capability: It offers a substantial output current capability suitable for powering different loads.
5. Integrated Power MOSFETs: Built-in power MOSFETs reduce the need for external components, simplifying the design.
6. Protection Features: It includes over-current protection, thermal shutdown, and under-voltage lockout to ensure reliable operation and protect against potential damage.
7. Compact Package: The device comes in a compact package, making it ideal for space-constrained applications.
8. Switching Frequency: It operates at a fixed switching frequency, improving noise performance and allowing for smaller external components.
These features make the MP1475SGJ-Z a versatile and efficient choice for power supply designs.
Pinout
The MP1475SGJ-Z is a DC-DC step-down converter. It typically comes in a compact TSOT-23-6 package, which means it has 6 pins. Here’s a brief overview of the pin functions:
1. SW (Switch Node): Connects to the inductor and is the output of the internal high-side power switch.
2. GND (Ground): Ground reference for the device.
3. FB (Feedback): Connects to the output voltage divider network to provide output voltage regulation.
4. EN (Enable): Used to enable or disable the device. A high level on this pin enables the device.
5. VIN (Input Voltage): Supplies input voltage to the device.
6. BST (Bootstrap): Provides the bootstrap voltage for the high-side gate driver.
This configuration allows the MP1475SGJ-Z to efficiently convert higher DC input voltages to lower DC output voltages, suitable for a variety of applications.
1. SW (Switch Node): Connects to the inductor and is the output of the internal high-side power switch.
2. GND (Ground): Ground reference for the device.
3. FB (Feedback): Connects to the output voltage divider network to provide output voltage regulation.
4. EN (Enable): Used to enable or disable the device. A high level on this pin enables the device.
5. VIN (Input Voltage): Supplies input voltage to the device.
6. BST (Bootstrap): Provides the bootstrap voltage for the high-side gate driver.
This configuration allows the MP1475SGJ-Z to efficiently convert higher DC input voltages to lower DC output voltages, suitable for a variety of applications.
Manufacturer
The MP1475SGJ-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that specializes in designing and manufacturing high-performance power management solutions. Their products are widely used in various applications, including consumer electronics, automotive, industrial, computing, and telecommunications. MPS is known for its innovative approach to power management technology, focusing on delivering efficient, compact, and cost-effective solutions. They aim to simplify power systems in electronic devices while improving performance and energy efficiency.
Application
The MP1475SGJ-Z is a high-efficiency, step-down converter designed for a variety of applications. Its primary application areas include power management for consumer electronics, such as smartphones, tablets, and portable devices. It is also used in industrial applications for powering microcontrollers and other low-power circuitry. Additionally, the MP1475SGJ-Z can be found in telecom equipment, networking devices, and automotive systems, where efficient power conversion is crucial. Its compact size and high efficiency make it suitable for space-constrained designs requiring reliable power regulation.
Package
The MP1475SGJ-Z is typically available in a TSOT-23-8 package type.
