参数资料
型号: TB62205F
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 0.96 A, PDSO36
封装: 0.450 INCH, 0.65 MM PITCH, PLASTIC, HSOP-36
文件页数: 16/36页
文件大小: 826K
代理商: TB62205F
TB62205F
2005-04-04
23
Graph of the Power Supply on DCDC Input Side
Equations for Calculating Maximum Current Values in Soft-Start Mode and Full Mode
The values of limited current of the DCDC block in Soft-start Mode and Full Mode are obtained using the
following equations.
(1) When the specified voltage is 0% to 90% of the voltage range
The maximum current value in Soft-start Mode : I DCout_S = 0.33/R RS_D33 (or D12) (A)
(2) When the specified voltage is 90% to 100% of the voltage range
The maximum current value in Full Mode
: I DC_out = I DCout_S × 1.5 (A)
When the current is specified in Full Mode, the current value which can be driven out is obtained
using the following equation.
The maximum load current
: I DCout_const = I DC_out × 0.8 (A)
5 V (3.3 V)
90%
The current capacity is automatically increased
when the level of specified voltage
× 90% is
The power supply is activated when
the current is constant. (Example: 0.8 A)
0.8 A
1.2 A
0.4 A
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