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Active Clamp Voltage Mode PWM Controller
National Semiconductor
Description
The LM5025B is a functional variant of the LM5025 active clamp PWM controller. More...
Features
• Internal start-up bias regulator
• 3A compound main gate driver
• Programmable line under-voltage lockout (UVLO) with adjustable hysteresis
• Voltage mode control with feed-forward
• Adjustable dual mode over-current protection
• Programmable overlap or deadtime between the main and active clamp outputs
• Volt x Second maximum duty cycle clamp
• Programmable soft-start
• Current sense leading edge blanking
• Single resistor programmable oscillator
• Oscillator up / down sync capability
• Precision 5V reference
• Thermal shutdown
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