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參數(shù)資料
| 型號(hào)： | Q67000-A9310-A702 |
| 廠商： | SIEMENS AG |
| 英文描述： | High Performance Power Combi Controller |
| 中文描述： | 高性能功率Combi機(jī)控制器 |
| 文件頁(yè)數(shù)： | 14/39頁(yè) |
| 文件大?。?/td> | 472K |
| 代理商： | Q67000-A9310-A702 |
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TDA 16888
Semiconductor Group
14
Data Sheet 1998-05-06
Comparator C8
The control of the pulse width modulation of the PWM section is taken over by
comparator C8 as soon as the soft start is finished. This is achieved by comparison of
the PWM output voltage at pin 14 (PWM IN) and the PWM voltage ramp at pin 15
(PWM RMP).
Comparator C9
By means of this extremely fast comparator sensing at pin 11 (PWM CS) peak current
limitation is realized. When being activated (
V
PWM CS
> 1 V) it will immediately shut down
the gate drive of the PWM section (PWM OUT).
Comparator C10
By means of the threshold of 0.4 V the comparator C10 allows the PWM duty cycle to be
continuously controlled from 0 to 50%. As long as the ramp voltage at pin 15
(PWM RMP) is below this threshold the gate drive of the PWM section (pin 10,
PWM OUT) is turned off.
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