H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 3/335 (2006.01) H02M 3/155 (2006.01) H02M 3/156 (2006.01) H03K 17/16 (2006.01) H03K 17/687 (2006.01)
Patent
CA 2088058
A high frequency miniaturized switching power supply has a unidirectional spike filter (17) which removed spikes appearing on a feedback signal (53) before such feedback signal (53) is provided to a comparator (14) of the switching power supply. The spike filter (17) removes voltage spikes of one polarity without lengthening the reset time of the comparator (14) in response to a wavefront of the opposite polarity.
Alimentation miniaturisée en courant de commutation à haute fréquence comprenant un filtre d'écrêtage (17) qui élimine les crêtes apparaissant sur un signal de rétroaction (53) avant que ce même signal de retour (53) ne parvienne à un comparateur (14) de l'alimentation en courant de commutation. En réponse à un front d'onde d'une polarité opposée, le filtre d'écrêtage (17) élimine les crêtes de tension d'une polarité sans allonger le temps de remise à zéro du comparateur (14).
Kayser Kenneth W.
Van Antwerp Joel C.
Smart & Biggar
Texas Instruments Incorporated
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