參數(shù)資料
型號(hào): CM3842
廠商: Electronic Theatre Controls, Inc.
英文描述: CURRENT MODE PWM CONTROLLER
中文描述: 電流模式PWM控制器
文件頁數(shù): 8/12頁
文件大小: 638K
代理商: CM3842
CM3842/3843
C
URRENT
M
ODE
PWM C
ONTROLLER
2001/06/27
Advanced
Champion Microelectronic Corporation
Page 7
APPLICATION INFORMATION
(continued)
Fig. 5. Shutdown Techniques -
there are two ways to shutdown the PWM controller: 1) raise the voltage at
I
SENSE
above 1V or, 2) pull the COMP below a voltage two diodes above ground.
Fig 6. Slop Compensation –
To achieve duty cycles over 50% for some applications , the above
slope compensation technique is suggested by resistively summing a fraction of the
oscillator ramp with the current sense signal.
I
SENSE
Shutdown
V
REF
500
To Current
Sense Resistor
330
1K
Shutdown
COMP
V
REF
R
T
/C
T
I
SENSE
R
T
C
T
0.1
μ
F
C
R
2
R
1
I
SENSE
R
SENSE
相關(guān)PDF資料
PDF描述
CM3842CP CURRENT MODE PWM CONTROLLER
CM3842CS CURRENT MODE PWM CONTROLLER
CM3843 CURRENT MODE PWM CONTROLLER
CM3843CP CURRENT MODE PWM CONTROLLER
CM3843CS CURRENT MODE PWM CONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CM3842CP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CURRENT MODE PWM CONTROLLER
CM3842CS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CURRENT MODE PWM CONTROLLER
CM3843 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CURRENT MODE PWM CONTROLLER
CM3843CP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CURRENT MODE PWM CONTROLLER
CM3843CS 制造商:CHAMP 功能描述: