Dual-Stage Feedback Techniques for Single-Pole Feedback Compensation
May 24, 2012 // Vicor // 0 commentsDownload White Paper 297Ko
This technical paper proposes and studies the effects of a dual-stage compensation technique for achieving greater than 100kHz crossover frequency of a single pole system converting from 48 V to 1.2V. By placing a separate non-inverting gain stage after the error amplifier, the necessary gain-bandwidth of the op amp can be significantly reduced allowing for high crossover frequency and good transient response.
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