參數(shù)資料
型號: 3842GM
廠商: BCD Semiconductor Manufacturing Limited
英文描述: GREEN MODE PWM CONTROLLER
中文描述: 綠色模式PWM控制器
文件頁數(shù): 7/13頁
文件大?。?/td> 173K
代理商: 3842GM
GREEN MODE PWM CONTROLLER AP384XG
Data Sheet
7
Aug. 2005 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
Figure 4. Basic Test Circuit
Figure 4 is the basic test circuit for AP384XG. In testing, the high peak currents associated with capacitive loads
necessitate careful grounding techniques. Timing and bypass capacitors should be connected close to pin 5 in a
single point ground. The transistor and 5k potentiometer are used to sample the oscillator waveform and apply an
adjustable ramp to pin 3.
Electrical Characteristics (Continued)
1
2
8
7
AP3842G
3
4
5
6
REF
VCC
OUTPUT
GND
R
T
/C
T
CS
FB
COMP
V
REF
V
CC
OUTPUT
GND
1K
1W
C
T
5k
I
ADJUST
1k
ERROR AMP
ADJUST
4.7k
100k
2N2222
4.7k
R
T
0.1
μ
F
0.1
μ
F
A
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