Overview
The MP2456GJ-Z is a monolithic, step-down, switch-mode converter designed by Monolithic Power Systems Inc. This device is engineered to provide a reliable and robust solution for power delivery requirements in various electronic systems. It features a built-in power MOSFET and operates with a high efficiency of up to 90%. The MP2456GJ-Z is known for its compact TSOT23-6 package and minimal external component requirements, which simplify system design and PCB layout, thereby accelerating the time-to-market for electronic products.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Output Voltage | 0.81V to 45V | MAX Output Current | 500 mA |
| Collector-Emitter Voltage VCEO Max | 50 V | Number of Outputs | 1 Output |
| Regulator Topology | Buck | Mounting Style | SMD/SMT |
| Switching Frequency | 1.2 MHz | Minimum Operating Temperature (°C) | -40°C |
| Maximum Operating Temperature (°C) | +125°C | Input Voltage Range | 4.5 V to 50 V |
| Thermal Shutdown | Yes | Cycle-by-Cycle Over-Current Protection | Yes |
| Package Type | TSOT23-6 | Shutdown Mode Current | 0.1 μA |
Key Features
- 0.5A peak output current
- 1Ω internal power MOSFET
- Capable of starting up with big output capacitors
- Stable with low-ESR ceramic output capacitors
- Up to 90% efficiency
- Fixed 1.2MHz switching frequency
- Thermal shutdown and cycle-by-cycle over-current protection
- Wide 4.5V to 50V operating input range
- Output adjustable from 0.81V to 0.9xVIN
- Minimal external component requirements
Applications
- Power meters
- Distributed power systems
- Battery chargers
- Pre-regulator for linear regulators
- WLED drivers
- Smartphones, tablets, laptops, and other portable devices
- Industrial applications such as automation systems, power supplies, and LED lighting
Q & A
- What is the MP2456GJ-Z?
The MP2456GJ-Z is a monolithic, step-down, switch-mode converter designed by Monolithic Power Systems Inc.
- What is the output voltage range of the MP2456GJ-Z?
The output voltage is adjustable from 0.81V to 45V.
- What is the maximum output current of the MP2456GJ-Z?
The maximum output current is 500 mA.
- What is the switching frequency of the MP2456GJ-Z?
The switching frequency is fixed at 1.2 MHz.
- What protection features does the MP2456GJ-Z have?
The device includes thermal shutdown and cycle-by-cycle over-current protection.
- What is the input voltage range of the MP2456GJ-Z?
The input voltage range is from 4.5 V to 50 V.
- What package type does the MP2456GJ-Z come in?
The device is available in a TSOT23-6 package.
- Is the MP2456GJ-Z RoHS compliant?
Yes, the MP2456GJ-Z is lead-free and adheres to the RoHS directive.
- What are some common applications of the MP2456GJ-Z?
Common applications include power meters, distributed power systems, battery chargers, pre-regulators for linear regulators, WLED drivers, and various portable and industrial devices.
- How efficient is the MP2456GJ-Z?
The device achieves an efficiency of up to 90%.
