參數(shù)資料
型號(hào): HA16666P
廠商: Hitachi,Ltd.
元件分類: FPGA
英文描述: 2000000 SYSTEM GATE 1.5 VOLT FPGA
中文描述: 600kHz的PWM控制開(kāi)關(guān)穩(wěn)壓器
文件頁(yè)數(shù): 10/15頁(yè)
文件大?。?/td> 93K
代理商: HA16666P
HA16666P/FP
10
800 k
100 k
10 k
1 k
5
10
20
30 4050
0.01 F
3300 pF
1000 pF
430 pF
180 pF
120 pF
C
T
F
0.033 F
0.15 F
R = R (k )
HA16666 summary formula of the oscillation ferquency
log (f)
a
×
log (R
T1
) + b
Formula for the oscillation frequency
Frequency vs. R
T1
, R
T2
Dependence
The following table show empirical values of
a and b for different values of C
T
.
C
T
180pF
330pF
1000pF
0.01
μ
F
0.15
μ
F
a
0.50
0.61
0.75
0.86
0.86
b
7.58
7.86
8.09
7.57
6.45
HA16666
Vref
R
T2
R
T1
C
T
R
T1
C
T
R
T2
OSC
Out
(= R
T2
)
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