The LM2577T-12 is a fixed output voltage regulator from Texas Instruments, designed to deliver a stable 12V output at a maximum current of 3A. This regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance in power management applications. The LM2577T-12 operates within an input voltage range of 3.5V to 40V, making it suitable for a wide variety of power supply designs. Its switching frequency is set at 52kHz, ensuring efficient power conversion with minimal noise. The regulator supports both positive and negative output configurations, offering flexibility in circuit design.
LM2577T-12 Features
Fixed Output Voltage: The LM2577T-12 provides a stable 12V output, ideal for applications requiring a consistent power supply.
Wide Input Voltage Range: With an input voltage range from 3.5V to 40V, this regulator can handle a variety of input sources, enhancing its versatility.
High Output Current: Capable of delivering up to 3A of output current, the LM2577T-12 is suitable for applications with high power demands.
Switching Frequency: The 52kHz switching frequency ensures efficient power conversion while minimizing electromagnetic interference (EMI).
Output Configuration Flexibility: Supports both positive and negative output configurations, providing design flexibility.
Topology Versatility: Compatible with boost, flyback, and forward converter topologies, making it suitable for a range of power conversion architectures.
Through Hole Mounting: The through-hole mounting type ensures robust mechanical stability and ease of integration into printed circuit boards.
Obsolete Status: While the LM2577T-12 is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.
LM2577T-12 Applications
The LM2577T-12 is well-suited for a variety of applications where a stable and efficient power supply is crucial. Some specific use cases include:
Industrial Control Systems: Provides a reliable power source for control boards and sensors in industrial environments.
Telecommunications Equipment: Ensures stable power delivery for communication modules and base stations.
Automotive Electronics: Suitable for automotive applications requiring a robust power supply with a wide input voltage range.
Consumer Electronics: Ideal for powering devices such as routers, modems, and other consumer electronics that require a stable 12V supply.
Medical Devices: Can be used in medical equipment where a stable power supply is essential for reliable operation.
Conclusion of LM2577T-12
The LM2577T-12 from Texas Instruments is a robust and versatile fixed output voltage regulator designed for high-performance power management applications. Its wide input voltage range, high output current capability, and flexible output configuration make it a valuable component for a variety of industrial, automotive, and consumer electronics applications. Despite its obsolete status, the LM2577T-12 continues to offer reliable performance and is an excellent choice for legacy systems and specific applications where its unique features are required.
Tech Specifications
Output Type
Voltage - Input (Max)
Current - Output
Output Configuration
Product Status
Supplier Device Package
Voltage - Input (Min)
Function
Package / Case
Frequency - Switching
REACH Status
Mfr
Voltage - Output (Min/Fixed)
RoHS Status
Moisture Sensitivity Level (MSL)
Operating Temperature
Synchronous Rectifier
ECCN
Topology
Mounting Type
Voltage - Output (Max)
Number of Outputs
Series
HTSUS
Package
Base Product Number
Efficiency (%)
Minimum Input Voltage (V)
PCB changed
HTS
ECCN (US)
PPAP
Automotive
Operating Supply Voltage (V)
Minimum Operating Temperature (°C)
Maximum Operating Temperature (°C)
Supplier Package
Line Regulation
Switching Frequency (kHz)
Maximum Input Voltage (V)
Package Height
EU RoHS
Typical Quiescent Current (uA)
SVHC Exceeds Threshold
Package Length
Maximum Output Current (A)
Standard Package Name
Pin Count
Mounting
Type
Tab
Part Status
SVHC
Switching Regulator
Output Voltage (V)
Package Width
Load Regulation
LM2577T-12 Documents
Download datasheets and manufacturer documentation for LM2577T-12
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