LM2641
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SNVS040B – JANUARY 2000 – REVISED APRIL 2013
LM2641 Dual Adjustable Step-Down Switching Power Supply Controller
Check for Samples: LM2641
FEATURES
1
•2 300 kHz Fixed-Frequency Switching • Switching Synchronization with an External
Signal up to 400 kHz • Optional Pulse-Skipping Mode • Adjustable Secondary Feedback • Input Under
voltage Lockout • Output Under
voltage Shutdown Protection • Output Over
voltage Shutdown Protection • Programmable Soft-Start (Each Controller) • 5V, 50 mA Linear Regulator Output • Precision 2.
5V Reference Output • 28-pin TSSOP
APPLICATIONS
• Notebook and Subnotebook Computers • Wireless Data Terminals • Battery-Powered Instruments
KEY SPECIFICATIO...