參數(shù)資料
型號(hào): PWM5031-I
廠商: Aeroflex Inc.
英文描述: RadHard High Speed PWM Controller
中文描述: RadHard高速PWM控制器
文件頁數(shù): 11/17頁
文件大小: 620K
代理商: PWM5031-I
11
SCD5031 Rev B
Peimnay
10
100
1K
FIGURE 6 – Current Sense Circuit
Error
Amp
1.4V
1V
Current
Sense
Comparators
2R
R
2
10
8
12
11
V
SOFT
2.5V
V
FB
COMP
CURRENT
SENSE
GND
R
S
R
C
I
S
S
R
Q
Q
Peak Current (Is) is determined by the formula:
A small RC filter may be required to suppress switch transients
ISMAX
RS
-----------
=
or
ISMAX
VSOFT
1.4
3
RS
=
FIGURE 7 – Error Frequency Amplifier Open-Loop Response
at +125°C & -55°C
Gain
dB
Frequency Hz
120
80
40
0
-40
10K
100K
1M
10M
1
+125°C
-55°C
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