Managing medium- to high-current POL buck converters, the IR3622MPbF and IR3622AMPbF dual-phase PWM control ICs can be configured to support a single output in current-share mode, delivering up to 80A, or to support two independent outputs. The independent channels run 180° out of phase to reduce input-capacitance requirements. The IR3622MPbF targets 12V single-input applications while the IR3622AMPbF supports 5V and 12V applications. Protection features include selectable hiccup or latched current limit, pre-bias startup, thermal shutdown, and under-/over-voltage protection. Both devices feature a programmable switching frequency up to 600 kHz and are available in a 32-lead MLPQ packages. Price for either is $1.90 each/10,000. INTERNATIONAL RECTIFIER, El Segundo, CA. (310) 252-7726.
Company: INTERNATIONAL RECTIFIER
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