General Description
The MIC3832 and MIC3833 are unique PWM controllers designed for current-fed, multiple-output or push-pull, switched-mode power supply applications.

Features
• 15.9V startup, up to 21V operation (MIC3832)
    8.3V startup, up to 21V operation (MIC3833)
• 9.8V undervoltage lockout (MIC3832)
    7.8V undervoltage lockout (MIC3833)
• 0.5mA maximum startup current (40µA typical)
• 17mA typical operating current
• 50ns maximum rise and fall times
• 30kHz to 500kHz RC oscillator
• Voltage or current-mode control
• Cycle-by-cycle current limit
• Soft start function
• 5V 2% reference sources 20mA
• Totem-pole output drive stages 1A peak output drive current
• 22V zener clamp on supply pin
• PWM latch eliminates false outputs from noise or ringing
• Adjustable maximum duty-cycle limit
• 5MHz bandwidth error amplifier

Applications
• High-power, multiple-output, switched-mode power supplies and dc-to-dc Converters
• Current-fed, push-pull, switched-mode power supplies or dc-to-dc converters
• Isolated high-voltage supplies