參數(shù)資料
型號: UC1886
廠商: Texas Instruments, Inc.
英文描述: Average Current Mode PWM Controller IC
中文描述: 平均電流模式PWM控制IC
文件頁數(shù): 6/8頁
文件大小: 292K
代理商: UC1886
6
UC1886
UC2886
UC3886
Enabling/Disabling the UC3886 Gate Drive
The CAO/ENBL pin can be used to Disable the UC3886
gate drive by forcing this pin below 0.8V, as shown.
Bringing the voltage below the valley of the PWM oscil-
lator ramp will insure a 0% duty cycle, effectively dis-
abling the gate drive. A low noise open collector signal
should be used as an Enable/Disable command.
APPLICATION INFORMATION (cont.)
Figure 5. Configuring the Current Sense Amplifier
UDG-96024
Figure 6. Enabling/Disabling the UC3886
UDG-96023
Figure 7. The UC3886 Configured in a Buck Regulator
TYPICAL APPLICATIONS
UDG-96025
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