Current Mode PWM Power Switch Freq Shuffling, BL8891B Replace OB2358.
FEATURES

• 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
CROSS
OB2358 OB2358.pdf

No.12081

FEATURES

 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)

     On-Bright Proprietary 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)



PIN CONFIGUTION
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