LM2574N-ADJ
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- Mfr.Part #
- LM2574N-ADJ
- Manufacturer
- National Semiconductor
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG MULT CONFIG INV ADJ 8DIP
- Stock
- 41,700
- In Stock ：
- 41,700
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - DC DC Switching Regulators
- Terminal Position :
- Dual
- Output Configuration :
- Positive or Negative
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Operating Temperature :
- -40°C~125°C TJ
- Packaging :
- Tube
- Terminal Pitch :
- 2.54mm
- Mount :
- Through Hole
- Voltage - Input (Max) :
- 40V
- Height :
- 3.44mm
- Voltage - Input (Min) :
- 4.75V
- Mounting Type :
- Through Hole
- REACH SVHC :
- No SVHC
- Input Voltage-Nom :
- 12V
- Control Mode :
- VOLTAGE-MODE
- ECCN Code :
- EAR99
- Pbfree Code :
- yes
- Max Duty Cycle :
- 98 %
- Operating Supply Voltage :
- 40V
- Number of Terminations :
- 8
- RoHS Status :
- ROHS3 Compliant
- Number of Outputs :
- 1
- Frequency :
- 52kHz
- JESD-609 Code :
- e3
- Terminal Finish :
- Tin (Sn)
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Output Type :
- Adjustable
- Quiescent Current :
- 9mA
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Lead Free :
- Lead Free
- Max Output Voltage :
- 37V
- Min Output Voltage :
- 1.23V
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Topology :
- Buck, Boost, Buck-Boost
- Efficiency :
- 77 %
- Base Part Number :
- LM2574
- Published :
- 2005
- Peak Reflow Temperature (Cel) :
- 260
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Synchronous Rectifier :
- No
- Width :
- 6.6mm
- Length :
- 10.16mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Factory Lead Time :
- 11 Weeks
- Output Voltage :
- 37V
- Max Output Current :
- 500mA
- Number of Pins :
- 8
- Datasheets
- LM2574N-ADJ
Voltage Regulators - DC DC Switching Regulators National Semiconductor LM2574N-ADJ Overview
The National Semiconductor LM2574N-ADJ is a versatile and robust integrated circuit (IC) designed for various adjustable voltage regulation applications. This component from National Semiconductor is a staple in the realm of power management ICs, providing efficient, reliable solutions for adjustable inverted voltage regulation. This regulator is specifically engineered to simplify the design of switch-mode power supplies. It combines all the active functions required for step-down (buck) converters into a single device, making it an ideal choice for projects that require a compact, high-efficiency voltage regulator.
LM2574N-ADJ Features
The LM2574N-ADJ IC offers several distinctive features that make it highly effective for a wide range of applications. Key features include its ability to drive a 0.5A load with excellent line and load regulation, its versatility in creating a variable output voltage, and its thermal shutdown and current limit protection. Additionally, it operates at a switching frequency of 52 kHz, which minimizes the size of the components needed for operation, such as inductors and capacitors. This IC also provides a high efficiency of up to 85%, which is essential for power-sensitive applications.
LM2574N-ADJ Applications
- Portable Devices: Utilized to provide consistent power management and extended battery life through efficient down-regulation of battery voltage.
- Consumer Electronics: Ensures stable voltage for various consumer electronics that require adjustable input voltage to operate effectively.
- Telecommunications Equipment: Used in devices where maintaining voltage stability is crucial, despite variable load conditions.
- Automotive Applications: Employs in car electronics where durable and reliable voltage regulation is necessary for performance and safety.
- Industrial Machinery: Provides power solutions in harsh environments, maintaining performance across a range of input voltages and conditions.
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