LM3151MH-3.3
- Mfr.Part #
- LM3151MH-3.3
- Manufacturer
- National Semiconductor
- Package / Case
- Datasheet
- Download
- Description
- SWITCHING CONTROLLER, 250KHZ SWI
- Stock
- 10,503
- In Stock :
- 10,503
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- Manufacturer :
- National Semiconductor
- Product Category :
- DC DC Switching Controllers
- Temperature Grade :
- Automotive
- Input Voltage-Nom :
- 18V
- Surface Mount :
- yes
- Time@Peak Reflow Temperature-Max (s) :
- 40
- HTS Code :
- 8542.39.00.01
- RoHS :
- Non-Compliant
- Reach Compliance Code :
- Compliant
- Operating Temperature (Min) :
- -40°C
- JESD-609 Code :
- e0
- Input Voltage (Min) :
- 6V
- JESD-30 Code :
- R-PDSO-G14
- Number of Pins :
- 14
- Operating Temperature (Max) :
- 125°C
- Terminal Form :
- Gull wing
- RoHS Status :
- Non-RoHS Compliant
- Number of Terminals :
- 14
- Pbfree Code :
- No
- ECCN Code :
- EAR99
- Width :
- 4.4mm
- Terminal Position :
- Dual
- Switching Frequency-Max :
- 250kHz
- Input Voltage (Max) :
- 42V
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Pitch :
- 0.65mm
- Output Current :
- 12 A
- Qualification Status :
- Not Qualified
- Output Voltage :
- 3.3V
- Switcher Configuration :
- Push-Pull
- Pin Count :
- 14
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Number of Functions :
- 1
- Length :
- 5mm
- Terminal Finish :
- TIN LEAD
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Datasheets
- LM3151MH-3.3

DC DC Switching Controllers National Semiconductor LM3151MH-3.3 Overview
The LM3151MH-3.3, a high-efficiency DC DC Switching Controller from National Semiconductor, is engineered for advanced power management. Designed to operate at a switching frequency of 250 kHz, this device optimizes power conversion while reducing external component size and system costs. Its ability to drive high-performance applications with enhanced power density and robust reliability makes the LM3151MH-3.3 an excellent choice for demanding environments. This controller's integration features facilitate streamlined design processes, making it a preferred component for manufacturers aiming at efficiency and scalability in their power supply designs.
LM3151MH-3.3 Features
The LM3151MH-3.3 includes several key features that enhance its utility in complex electronic systems. These include a high switching frequency of up to 250 kHz, which allows for smaller passive components, thus reducing overall footprint and cost. It supports a wide input voltage range, providing flexibility in various power supply scenarios. Additionally, its built-in thermal shutdown and current limit protections ensure safe operation under abnormal operating conditions, thereby enhancing system reliability.
LM3151MH-3.3 Applications
- Telecommunications Equipment: Utilized in powering RF and signal processing circuits, where stable and efficient power supply is crucial.
- Portable Devices: Ideal for use in battery-powered applications, such as portable computing devices, enhancing battery life and reducing energy consumption.
- Industrial Systems: Employs in industrial automation controls, providing reliable power for sensors and PLCs in harsh industrial environments.
- Consumer Electronics: Applied in home entertainment systems, ensuring efficient power management and helping to extend the durability and functionality of consumer electronics.
- Automotive Applications: Supports automotive electronics, such as infotainment systems and dashboard instruments, by delivering stable power, critical for automotive safety and performance.
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