LM2647LQ
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- Mfr.Part #
- LM2647LQ
- Manufacturer
- Texas Instruments
- Package / Case
- 28-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC REG CTRLR BUCK 28WQFN
- Stock
- 3,487
- In Stock ：
- 3,487
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Operating Supply Voltage :
- 28V
- Synchronous Rectifier :
- yes
- Peak Reflow Temperature (Cel) :
- 260
- Quiescent Current :
- 2.5mA
- Package / Case :
- 28-WFQFN Exposed Pad
- Terminal Position :
- QUAD
- Frequency :
- 345kHz
- Output Configuration :
- Positive
- JESD-609 Code :
- e0
- Switcher Configuration :
- Push-Pull
- Terminal Pitch :
- 0.5mm
- Number of Outputs :
- 2
- Mount :
- Surface Mount
- Input Voltage-Nom :
- 5V
- Operating Temperature :
- -5°C~125°C TJ
- Width :
- 5mm
- Control Technique :
- PULSE WIDTH MODULATION
- Analog IC - Other Type :
- DUAL SWITCHING CONTROLLER
- Output Current :
- 20A
- Voltage - Supply (Vcc/Vdd) :
- 5.5V~28V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Duty Cycle (Max) :
- 75%
- Control Mode :
- VOLTAGE-MODE
- Base Part Number :
- LM2647
- Height Seated (Max) :
- 0.8mm
- Output Voltage :
- 5V
- Packaging :
- Tape and Reel (TR)
- ECCN Code :
- EAR99
- Control Features :
- Current Limit, Enable, Frequency Control, Power Good, Soft Start
- Function :
- Step-Down
- Lead Free :
- Contains Lead
- Mounting Type :
- Surface Mount
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Clock Sync :
- No
- Length :
- 5mm
- Pbfree Code :
- No
- RoHS Status :
- Non-RoHS Compliant
- Topology :
- Buck
- Frequency - Switching :
- 200kHz~500kHz
- Number of Pins :
- 28
- Number of Terminations :
- 28
- Output Type :
- Transistor Driver
- Datasheets
- LM2647LQ
DC DC Switching Controllers Texas Instruments LM2647LQ Overview
The Texas Instruments LM2647LQ is a sophisticated IC REG CTRLR BUCK housed in a compact 28WQFN package, designed for high-efficiency DC DC power conversion. The LM2647LQ utilizes a dual-channel approach, allowing for simultaneous management of multiple power rails with exceptional accuracy and stability. This controller is optimized for applications requiring efficient voltage stepping down, where space and power efficiency are crucial. The integration of advanced features ensures that the LM2647LQ meets the stringent requirements of modern electronic devices, making it an ideal choice for designers looking to enhance system reliability and performance while minimizing power losses.
LM2647LQ Features
The LM2647LQ includes several key features that make it stand out in the field of DC DC switching controllers. These features include dual synchronous buck controller circuits, a wide input voltage range from 3V to 14V, and a switching frequency that can be programmed up to 1MHz. Additionally, the device boasts integrated gate drivers and an adaptive non-overlapping gate driver scheme to reduce diode conduction losses. Its thermal shutdown feature and current limit protections further ensure safe operation under various load conditions.
LM2647LQ Applications
- Portable Computing Devices: Used in laptops and tablets to provide precise voltage control for power-sensitive components, enhancing battery life and efficiency.
- Networking Equipment: Powers routers and switches, ensuring reliable performance through stable and efficient power delivery.
- Telecommunications Hardware: Ideal for telecom infrastructures like base stations that require consistent and efficient power management.
- Industrial Systems: Utilized in complex industrial machinery for better power regulation, leading to improved safety and operational efficiency.
- Consumer Electronics: Supports power management solutions in devices such as gaming consoles and home entertainment systems, providing enhanced power efficiency and reliability.
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