发明名称 |
Synchronization of multiphase synthetic ripple voltage regulator |
摘要 |
A multiphase ripple voltage regulator generator employs a hysteretic comparator referenced to upper and lower voltage thresholds. The hysteretic comparator monitors a master ripple voltage waveform developed across a capacitor supplied with a current proportional to the difference between the output voltage and either the input voltage or ground. The output of the hysteretic comparator generates a master clock signal that is sequentially coupled to PWM latches, the states of which define the durations of respective components of the synthesized ripple voltage. A respective PWM latch has a first state initiated by a selected master clock signal and terminated by an associated phase voltage comparator that monitors a respective phase node voltage.
|
申请公布号 |
US2004070382(A1) |
申请公布日期 |
2004.04.15 |
申请号 |
US20030673684 |
申请日期 |
2003.09.29 |
申请人 |
INTERSIL AMERICAS INC. |
发明人 |
WALTERS MICHAEL M.;LI XUENING;JOCHUM THOMAS A. |
分类号 |
H02M3/155;G05F5/00;H02J1/10;H02M3/156;H02M3/158;H02M3/28;(IPC1-7):G05F1/40 |
主分类号 |
H02M3/155 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|