Datasheet Summary
LM1577, LM2577
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SNOS658D
- JUNE 1999
- REVISED APRIL 2013
LM1577/LM2577 SIMPLE SWITCHER® Step-Up Voltage Regulator
Check for Samples: LM1577, LM2577
Features
- 23 Requires Few External ponents
- NPN Output Switches 3.0A, can Stand off 65V
- Wide Input Voltage Range: 3.5V to 40V
- Current-mode Operation for Improved
Transient Response, Line Regulation, and Current Limit
- 52 kHz Internal Oscillator
- Soft-start Function Reduces In-rush Current During Start-up
- Output Switch Protected by Current Limit, Under-voltage Lockout, and Thermal Shutdown
TYPICAL APPLICATIONS
- Simple Boost Regulator
- Flyback and Forward Regulators
- Multiple-output Regulator
DESCRIPTION
The...
