Current Mode PWM Power Switch Freq Shuffling,BL8891B Replace SP7625.
BL8891B
BL8891B.pdf
BL8891B.pdfFEATURES
? Power on Soft Start Reducing MOSFET VDS Stress
? Frequency shuffling for EMI
? Extended Burst Mode Control For Improved
Efficiency and Minimum Standby Power Design
? Audio Noise Free Operation
? Fixed 50KHZ Switching Frequency
? Internal Synchronized Slope Compensation
? Low VDD Startup Current and Low Operating Current
? Leading Edge Blanking on Current Sense Input
Good Protection Coverage With Auto Self-Recovery
VDD Over Voltage Clamp and Under Voltage Lockout with Hysteresis (UVLO)
Line Input Compensated Cycle-by-Cycle Over-current Threshold Setting
For Constant Output Power Limiting Over Universal Input Voltage Range
Overload Protection (OLP)
Over voltage Protection (OVP)
? DIP7 package
PIN CONFIGUTION
優勢替代
