LM2647MTC/NOPB
- Mfr.Part #
- LM2647MTC/NOPB
- Manufacturer
- National Semiconductor
- Package / Case
- 28-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- LM2647 DUAL SYNCHRONOUS BUCK REG
- Stock
- 7,522
- In Stock :
- 7,522
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- Manufacturer :
- National Semiconductor
- Product Category :
- DC DC Switching Controllers
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Lead Free :
- Lead Free
- Width :
- 4.4mm
- ECCN Code :
- EAR99
- Peak Reflow Temperature (Cel) :
- 260
- Mounting Type :
- Surface Mount
- Control Mode :
- VOLTAGE-MODE
- Output Type :
- Transistor Driver
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 6 Weeks
- Terminal Finish :
- Matte Tin (Sn)
- Output Current :
- 20A
- Analog IC - Other Type :
- DUAL SWITCHING CONTROLLER
- Terminal Form :
- Gull wing
- Clock Sync :
- No
- Function :
- Step-Down
- Input Voltage-Nom :
- 5V
- Packaging :
- Tube
- Package / Case :
- 28-TSSOP (0.173, 4.40mm Width)
- Frequency - Switching :
- 200kHz~500kHz
- Number of Outputs :
- 2
- Terminal Pitch :
- 0.65mm
- Thickness :
- 1mm
- Output Configuration :
- Positive
- Number of Pins :
- 28
- Control Technique :
- PULSE WIDTH MODULATION
- Control Features :
- Current Limit, Enable, Frequency Control, Power Good, Soft Start
- Topology :
- Buck
- Frequency :
- 345kHz
- Length :
- 9.7mm
- Base Part Number :
- LM2647
- Terminal Position :
- Dual
- Switcher Configuration :
- Push-Pull
- Max Duty Cycle :
- 75 %
- Mount :
- Surface Mount
- Number of Terminations :
- 28
- Voltage - Supply (Vcc/Vdd) :
- 5.5V~28V
- Pbfree Code :
- yes
- Weight :
- 402.988471mg
- JESD-609 Code :
- e3
- Output Voltage :
- 5V
- Synchronous Rectifier :
- yes
- Quiescent Current :
- 2.5mA
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Height :
- 1.2mm
- Operating Supply Voltage :
- 28V
- Operating Temperature :
- -5°C~125°C TJ
- Datasheets
- LM2647MTC/NOPB

DC DC Switching Controllers National Semiconductor LM2647MTC/NOPB Overview
Introducing the LM2647MTC/NOPB by National Semiconductor, a cutting-edge solution in the realm of DC DC Switching Controllers. This dual synchronous buck regulator is engineered to deliver high-efficiency, low-voltage power conversion for today's demanding applications. With its ability to operate over a broad voltage range while maintaining stability and efficiency, the LM2647MTC/NOPB is an ideal choice for designers seeking reliable and robust power management solutions. Its integration features, including programmable soft-start and precision enable pin, make it exceptionally versatile for designing complex multi-voltage platforms.
LM2647MTC/NOPB Features
The LM2647MTC/NOPB boasts a range of features designed to enhance its performance and usability. Key features include two independently adjustable outputs, high efficiency with up to 95% power conversion under typical conditions, integrated MOSFET switches, and a programmable switching frequency from 250 kHz to 750 kHz. Additionally, it offers over-temperature and over-current protection, ensuring reliable operation under adverse conditions.
LM2647MTC/NOPB Applications
- Portable Devices: Utilized in smartphones, tablets, and other portable electronics, the LM2647MTC/NOPB optimizes power consumption, thereby extending battery life and reducing heating.
- Networking Equipment: In routers, switches, and networking hubs, this controller ensures stable and efficient power management, crucial for maintaining system reliability and performance in data-intensive operations.
- Office Automation Equipment: Applied in printers, scanners, and fax machines, the LM2647MTC/NOPB provides consistent power, enhancing device functionality and efficiency.
- Embedded Systems: Ideal for use in complex embedded systems, it offers precise power regulation, essential for the smooth operation of microcontroller-based applications.
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