參數(shù)資料
型號(hào): L6727TR
廠商: 意法半導(dǎo)體
英文描述: Single phase PWM controller
中文描述: 單相PWM控制器
文件頁(yè)數(shù): 12/22頁(yè)
文件大?。?/td> 318K
代理商: L6727TR
Soft Start and Disable
L6727
12/22
6.2
Enable / Disable
The device can be disabled by externally pushing COMP / DIS pin under 0.5V (typ). In
disable condition HS and LS MOSFETs are turned off, and a 20
μ
A current is sourced from
COMP / DIS pin. Setting free the pin, this current pulls it over the threshold and the device
enables again performing a new SS.
To disable the device, the external pull-down needs to overcome 10mA of COMP output
current for about 15
μ
s. Once disabled, COMP output current drops to 20
μ
A.
Figure 5.
Start Up sequence; V
CC
= 5V (Left). Over Current Hiccup (Right)
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