LM2587
Features
- 1 Requires Few External ponents
- 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-k Hz 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 ±4%
Maximum Over Line and Load Conditions
- Create a Custom Design Using the LM2587 With the WEBENCH® Power Designer
2 Typical Applications
- Flyback Regulator
- Multiple-Output Regulator
- Simple Boost Regulator
- Forward Converter
3 Description
The LM2587 series of regulators are monolithic integrated circuits specifically designed for flyback, step-up (boost), and forward converter applications. The device is available in 4 different output voltage versions: 3.3 V, 5 V, 12 V, and...
