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LM2587
SNVS115E – APRIL 2000 – REVISED JUNE 2019
LM2587 4-V To 40-V, 5-A Step-Up Wide VIN Flyback
Regulator
1 Features
•1 Requires Few External Components • Family of Standard Inductors and Transformers •
NPN Output Switches 5 A, Can Stand Off 65 V • Wide Input Voltage Range: 4 V to 40 V • Current-mode Operation for Improved Transient
Response, Line Regulation, and Current Limit • 100-kHz Switching Frequency • Internal Soft-Start Function Reduces In-rush
Current During Start-up • Output
Transistor Protected by Current Limit,
Undervoltage Lockout, and Thermal Shutdown • System Output Voltage Tolerance of ...