參數(shù)資料
型號(hào): TB62205FG
元件分類(lèi): 運(yùn)動(dòng)控制電子
英文描述: STEPPER MOTOR CONTROLLER, 0.96 A, PDSO38
封裝: 0.450 INCH, 0.65 MM PITCH, PLASTIC, HSOP-36/38
文件頁(yè)數(shù): 19/36頁(yè)
文件大?。?/td> 828K
代理商: TB62205FG
TB62205FG
2005-04-04
26
External Constant of Charge Pump
When VDD = 5V, fchop = 100 kHz, and L = 10 mH is driven with VM = 24 V, Iout = 1000 mA, the theoretical values
for Ccp1 and Ccp2 are as shown below:
For the combination of Ccp1 and Ccp2, please refer to the shaded area in the figure above.
Toshiba recommends the relation of Ccp1 : Ccp2 ≥ 10 : 1.
When the values of Ccp1 and Ccp2 are specified, perform an adequate test and allow sufficient margins for the
values.
Please use the recommended values of Ccp1 = 0.22 F and Ccp2 = 0. 022 F for normal operation.
0.05
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
0.04
0.045
0.05
0.1
0.15
0.2
0.25
0.35
0.4
0.45
0.5
0.3
Usable range
Ccp1 capacitance (F)
Ccp1 – Ccp2
C
cp2
cap
a
cit
ance
(
F)
Recommended
value
Recommended
range
Ccp1 = (NG)
Ccp2 = (OK)
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