Overview
The MP2143DJ-LF-Z is a high-performance synchronous step-down switcher designed by Monolithic Power Systems Inc. This power management IC is tailored for modern applications that demand efficient energy conversion, stability, and reliability. It operates with an input voltage range of 2.5V to 5.5V, delivering an output current of up to 3A at a switching frequency of 1.2MHz. The device features dual-mode operation, current limiting, soft start, overvoltage protection, undervoltage lockout, and thermal shutdown, ensuring safe and efficient power delivery.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 600 mV to 5 V |
| Output Current | 3 A |
| Input Voltage, Max | 5.5 V |
| Number of Outputs | 1 Output |
| Topology | Buck |
| Mounting Style | SMD/SMT |
| Switching Frequency | 1.2 MHz |
| Quiescent Current | 40 uA |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Package/Case | TSOT-23-8 |
Key Features
- Dual-mode operation
- Current limiting function
- Soft start to prevent in-rush current
- Overvoltage protection
- Undervoltage lockout
- Thermal shutdown protection
- High accuracy and stability
- Silicon-based design
- Magnetic components shielding
- Fast response time
- Low noise operation
- Compact package size
- High-density interconnection
- Reduced electromagnetic emission
- Improved thermal management
- Programmable soft-start feature
- Fault detection and self-recovery
- Overcurrent protection circuitry
Applications
The MP2143DJ-LF-Z is suitable for a wide range of applications, including efficient networking devices, medical-grade technology, modern consumer electronics, sleek mobile devices, high-performance electronics, high-capacity power banks, compact LED lights, smart industrial equipment, wireless charging solutions, and portable computing devices. It is also applicable to multi-functional power tools, energy-efficient lighting solutions, and innovative power solutions.
Q & A
- What is the maximum input voltage of the MP2143DJ-LF-Z? The maximum input voltage is 5.5V.
- What is the maximum output current of the MP2143DJ-LF-Z? The maximum output current is 3A.
- What is the switching frequency of the MP2143DJ-LF-Z? The switching frequency is 1.2MHz.
- What are the key protection features of the MP2143DJ-LF-Z? Key protection features include overvoltage protection, undervoltage lockout, thermal shutdown, and overcurrent protection.
- What is the package type of the MP2143DJ-LF-Z? The package type is TSOT-23-8.
- What are some typical applications of the MP2143DJ-LF-Z? Typical applications include networking devices, medical-grade technology, consumer electronics, mobile devices, and energy converters.
- Does the MP2143DJ-LF-Z support dual-mode operation? Yes, it supports dual-mode operation.
- What is the quiescent current of the MP2143DJ-LF-Z? The quiescent current is 40 uA.
- Is the MP2143DJ-LF-Z RoHS compliant? Yes, it is RoHS compliant.
- What is the operating temperature range of the MP2143DJ-LF-Z? The operating temperature range is -40°C to +125°C.
