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OB2223F is a high performance, high precision and low cost PWM Power switch for non-isolated buck and flyback application. It combines a dedicated current mode PWM controller (with a high voltage power MOSFET with SOP8/DIP7 package) and built-in error amplifier optimized for good overshoot and dynam.
including Cycle-by-Cycle current limiting, Over Loading Protection, Output Short-Circuit Protection, On-Chip OTP,VDD OVP, and UVLO.
TYPICAL APPLICATION
FEATURES
• Low cost and component count buck application
• Current Mode Control
• Multiple mode control with good dynamic
response
• Oscillator of fixed maximum switching
frequency with frequency-reduction and burst mode control for high efficiency
• Frequency shuffling for EMI improvement
• Power on Soft-start
• Built-in Leading Edge Blanking (LEB)
• Cycle-by-Cycle Current Limiting
• Over Loading Protection
• Output Short-Circuit Protection
•.
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