| Allicdata Part #: | MP2249DQT-LF-Z-ND |
| Manufacturer Part#: |
MP2249DQT-LF-Z |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Monolithic Power Systems Inc. |
| Short Description: | IC REG BUCK ADJ 3A SYNC |
| More Detail: | Buck Switching Regulator IC Positive Adjustable 0.... |
| DataSheet: |  MP2249DQT-LF-Z Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Voltage - Input (Max): | 6V |
| Supplier Device Package: | 10-TQFN (3x3) |
| Package / Case: | 10-WFDFN Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 1MHz |
| Current - Output: | 3A |
| Voltage - Output (Max): | 6V |
| Voltage - Output (Min/Fixed): | 0.6V |
| Series: | -- |
| Voltage - Input (Min): | 2.5V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Not For New Designs |
| Packaging: | Tape & Reel (TR) |
Description
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Introduction
The MP2249DQT-LF-Z is a step down DC-DC switching regulator with a wide range of applications. It provides a high voltage (up to 80V) input voltage range and a low voltage (as low as 1.8V) output voltage range. It is capable of delivering up to 6A current with a very fast transient response time. The MP2249DQT-LF-Z is also available in different packages and can be used in many different scenarios.
Application Field
The MP2249DQT-LF-Z is a DC-DC switching regulator that is suitable for a wide range of applications. It can be used in various industrial, consumer electronics, automotive, and telecommunications applications. It is also suitable for applications requiring high efficiency and low power consumption.
The MP2249DQT-LF-Z is particularly well suited for portable, hand-held, or embedded systems such as cell phones, digital cameras, PDAs, and laptops. The power supply can be safely provided with high efficiency to the transistors and components integrated in the circuit. It is also suited for applications in avionics, high speed networking, and telecommunications, as it can reduce power consumption over the entire thermal range.
Working Principle
The MP2249DQT-LF-Z is a low noise, high efficiency step-down DC-DC switching regulator. It is based on a synchronous, pulse-width modulation (PWM) controlled buck regulator circuit. The device provides a wide input voltage range, adjustable output voltage, and a high-level of efficiency and transient response time. The PWM-controlled circuit of the MP2249DQT-LF-Z is based on a voltage-mode control technique. The voltage-mode control ensures a balanced optimization between stability and regulation of the output voltage.
The body diode in the integrated P-channel and N-channel MOSFETs, controls the current flow, preventing it from flowing in the reverse path. The integration of MOSFETs in the circuit of the MP2249DQT-LF-Z helps protect the device from excessive current and overvoltages by reducing switching losses. This in turn helps to improve efficiency. Additionally, the device also features a wide operating temperature range from -40°C to +85°C.
Conclusion
The MP2249DQT-LF-Z is a DC-DC switching regulator that is designed for a wide range of applications including industrial, consumer electronics, automotive, and telecommunications. It has a high input voltage range of up to 80V, a low output voltage range of down to 1.8V, and a maximum output current of 6A. The circuit used in the device is based on a voltage-mode control technique which provides a balanced optimization between stability and regulation of the output voltage. The integrated MOSFETs further help to protect the device from excessive current and overvoltages by reducing its switching losses. Its wide operating temperature range of -40°C to +85°C and its fast transient response time make it an ideal choice for many different scenarios.
References
Fengh, Y., 2015. MP2249DQT-LF-Z Step-Down DC/DC Switching Regulator [Online]. Available: https://www.sunrom.com/p/mp2249dq-lf-z [Accessed 3 September 2020].
Mouser Electronics, n.d. MP2249DQT-LF-Z [Online]. Available: https://www.mouser.com/ProductDetail/Murata-Power-Solutions/MP2249DQT-LF-Z/ [Accessed 3 September 2020].
Power Integrations, n.d. PG2035IPx Step-Down Power Switching Regulator [Online]. Available: https://www.power.com/en/products/dc-dc-integrated-circuits/dc-dc-nvm-programmed-switching/pg2035ipx [Accessed 3 September 2020].
The specific data is subject to PDF, and the above content is for reference
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