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參數(shù)資料
| 型號： | S3882 |
| 廠商： | AUK Corp |
| 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)： | 6/8頁 |
| 文件大?。?/td> | 327K |
| 代理商： | S3882 |
KSI-8008-001
6
High peak currents associated with capacitive leads necessitate careful grounding techniques. Timing and bypass
capacitors should be connected close to Pin5 in a single point ground. The transistor and 5
potentiometer are
used to sample the oscillator waveform and apply an adjustable ramp to Pin 3.
A fraction of the oscillator ramp can be resistively
R
T
summed with the current sense signal to provide
slope compensation for converters requiring duty
cycle over 50%. Note that capacitor C, forms a
4
R
T
/C
/C
T
C
T
filter with R
2
to suppress the leading edge switch
spikes.
3
I
SENSE
C
R
SENSE
S3882
6. Open Loop Test
7.Slope Compensation
I
SENSE
0.1uF
I
I
ADJUST
SENSE
S3882
V
REF
1
GND
V
REF
SENSE
4 7K
COMP
2
3
4
5
6
7
8
Vcc
OUTPUT
ERROR
AMP
ADJUST
2N2222
R
T
4 7K
1K
0.1uF
0.1uF
1K/1W
R
T
/C
T
Vin
Vcc
OUTPUT
100K
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S3882P | 制造商:AUK 制造商全稱:AUK corp 功能描述:Current Mode PWM Controller |
| S3883 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:Si PIN photodiode Large area, high-speed Si PIN photodiodes |
| S3883-32.768K | 制造商:Pletronics 功能描述:SMD Crystal Oscillator 0.032768MHz 1.8V/2.5V/3.3V 4-Pin CLCC |
| S3883-32.768K-SMD | 制造商:Pletronics 功能描述:CMOS S PKG OSC (S3884)__Contact Local Pletronics Rep |
| S3884 | 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:Si APD Low bias operation, for 800 nm band |
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