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UC3845B Fixed Frequency Current Mode Controller IC

UC3845B Fixed Frequency Current Mode Controller IC

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11.76
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The UC3845 fixed frequency current mode controller is made for off-line and DC-to-DC converter applications and provides a low-cost option with few external components for the designer. These coordinated circuits include a managed oscillator for exact obligation cycle control‚ a temperature repaid reference‚ high increase blunder speaker‚ current detecting comparator‚ and a high current chain of command yield unmistakably appropriate for driving a power MOSFET

Features:

  • Trimmed Oscillator Discharge Current for Precise Duty Cycle Control

  • Current Mode Operation to 500 kHz

  • Automatic Feed Forward Compensation

  • Latching PWM for Cycle−By−Cycle Current Limiting

  • Internally Trimmed Reference with Under voltage Lockout

  • High Current Totem Pole Output

  • Under voltage Lockout with Hysteresis

Specifications
Model UC3845B
Package SO8
Mounting Type SMD
Frequency 500 kHz Output Switching Frequency
No of Pins 8
Type Current Mode PWM Controller

T&C Apply.

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