規格
| 屬性 | 價值 |
| 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) | 4.7V |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 14.4V |
| Current - Output | 2A |
| Frequency - Switching | 490kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The MP1470GJ-Z is a step-down (buck) converter designed for high-efficiency power regulation in electronic devices. It is suitable for applications requiring a compact, reliable, and efficient DC-DC power conversion. The device operates with an input voltage range, typically up to 18V, and can deliver a continuous output current of up to 3A.
Key features include a high switching frequency, which allows for a smaller external component size, and an internal power MOSFET for reduced component count and improved efficiency. The MP1470GJ-Z also incorporates various protection features such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to ensure safe operation under diverse conditions.
The converter is typically packaged in a small, thermally enhanced form factor, making it suitable for space-constrained applications like portable devices, battery-powered equipment, and other consumer electronics. Its high efficiency and low standby current make it an excellent choice for energy-sensitive applications.
Key features include a high switching frequency, which allows for a smaller external component size, and an internal power MOSFET for reduced component count and improved efficiency. The MP1470GJ-Z also incorporates various protection features such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to ensure safe operation under diverse conditions.
The converter is typically packaged in a small, thermally enhanced form factor, making it suitable for space-constrained applications like portable devices, battery-powered equipment, and other consumer electronics. Its high efficiency and low standby current make it an excellent choice for energy-sensitive applications.
Equivalent
The MP1470GJ-Z is a step-down regulator from Monolithic Power Systems. Equivalent products typically have similar specifications such as input voltage range, output current capability, and switching frequency. Equivalent products might include:
1. Texas Instruments: LM2675 series
2. STMicroelectronics: L4971
3. Microchip: MCP16301
4. ON Semiconductor: NCP3101
5. Analog Devices: ADP2301
Exact equivalence should be verified based on specific application requirements and datasheet comparisons.
1. Texas Instruments: LM2675 series
2. STMicroelectronics: L4971
3. Microchip: MCP16301
4. ON Semiconductor: NCP3101
5. Analog Devices: ADP2301
Exact equivalence should be verified based on specific application requirements and datasheet comparisons.
Features
The MP1470GJ-Z is a high-efficiency, synchronous step-down switch mode converter. It features a 4.5V to 16V input voltage range, making it suitable for various power source types, including single Li-ion batteries and 12V rails. The device can deliver an output current of up to 3A with excellent load and line regulation.
Key features include a high-efficiency synchronous mode that minimizes power loss, and a 340kHz switching frequency that allows for the use of small inductors and capacitors, reducing the overall footprint. The MP1470GJ-Z includes an internal reference of 0.8V that supports adjustable output voltages down to 0.8V.
Additional features include short-circuit protection, over-current protection, and thermal shutdown for enhanced reliability and safety. The device also supports a fixed soft-start time, which helps in managing inrush current during startup, and offers a low dropout mode for efficient operation at low output voltages.
Packaged in a small 8-pin TSOT23-8, it is ideal for applications with space constraints.
Key features include a high-efficiency synchronous mode that minimizes power loss, and a 340kHz switching frequency that allows for the use of small inductors and capacitors, reducing the overall footprint. The MP1470GJ-Z includes an internal reference of 0.8V that supports adjustable output voltages down to 0.8V.
Additional features include short-circuit protection, over-current protection, and thermal shutdown for enhanced reliability and safety. The device also supports a fixed soft-start time, which helps in managing inrush current during startup, and offers a low dropout mode for efficient operation at low output voltages.
Packaged in a small 8-pin TSOT23-8, it is ideal for applications with space constraints.
Pinout
The MP1470GJ-Z is a step-down, buck converter IC designed by MPS (Monolithic Power Systems). It typically comes in an 8-pin TSOT23-8 package. Here's a brief overview of its pin functions:
1. VIN: Input Supply Voltage. Connect the input voltage here.
2. SW: Switch Node. Connect this pin to the inductor and the power switch.
3. GND: Ground. Common ground for both the input and output.
4. FB: Feedback. Connect to the output voltage divider to set the output voltage.
5. EN: Enable. A high signal enables the IC, while a low signal disables it.
6. SS: Soft-Start. Used to control the startup time and reduce inrush current.
7. COMP: Compensation. Connect the compensation network here to stabilize the control loop.
8. BST: Bootstrap. Connect a capacitor between this pin and the SW node for high-side gate drive.
These pins provide basic functionality for regulating and maintaining the desired output voltage with efficient power conversion.
1. VIN: Input Supply Voltage. Connect the input voltage here.
2. SW: Switch Node. Connect this pin to the inductor and the power switch.
3. GND: Ground. Common ground for both the input and output.
4. FB: Feedback. Connect to the output voltage divider to set the output voltage.
5. EN: Enable. A high signal enables the IC, while a low signal disables it.
6. SS: Soft-Start. Used to control the startup time and reduce inrush current.
7. COMP: Compensation. Connect the compensation network here to stabilize the control loop.
8. BST: Bootstrap. Connect a capacitor between this pin and the SW node for high-side gate drive.
These pins provide basic functionality for regulating and maintaining the desired output voltage with efficient power conversion.
Manufacturer
The MP1470GJ-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that specializes in designing, developing, and providing high-performance analog and mixed-signal integrated circuits. Their products are used in a wide range of applications, including consumer electronics, automotive, industrial, medical, and telecommunications. MPS is known for its expertise in power management solutions, offering a variety of products such as DC/DC converters, LED drivers, battery management systems, and other power-related components. The company focuses on innovation and efficiency, aiming to deliver solutions that minimize energy consumption and maximize performance.
Application
The MP1470GJ-Z is a high-frequency, synchronous, step-down switching regulator from Monolithic Power Systems. It is commonly used in applications requiring efficient power conversion from a higher input voltage to a regulated lower output voltage. Typical application areas include telecommunications, networking equipment, industrial control systems, distributed power systems, and consumer electronics. This regulator is suitable for use in scenarios where space is limited and high efficiency is critical. Its compact design and ability to handle high input voltage make it ideal for advanced electronics requiring reliable power management solutions.
Package
The MP1470GJ-Z is typically available in a TSOT-23-6 package type. This package is a small outline, surface-mount package that is commonly used for compact electronic devices.
