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参数资料
| 型号： | TLE8386EL |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 稳压器 |
| 英文描述： | 0.09 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封装： | GREEN, PLASTIC, SSOP-14 |
| 文件页数： | 17/26页 |
| 文件大小： | 1527K |
| 代理商： | TLE8386EL |
Datasheet
24
Rev. 1.0, 2009-11-30
TLE8386EL
Application Information
11.1
Further Application Information
In fixed frequency mode where an external resistor configures the switching frequency the minimum boost inductor
is given by the formula inFigure 16.
LMIN = Minimum Inductacne Required During Fixed Frequency Operation
VBO = Boost Output Voltage
RCS = Current Sense Resistor
fFREQ = Switching Frequency
Figure 16
Minimum Inductance Required During Fixed Frequency Operation
In synchronization mode where an external clock source configures the switching frequency the minimum boost
inductor is given by the formula in Figure 17.
LSYNC = Minimum Inductacne Required During Synchronization Operation
VBO = Boost Output Voltage
RCS = Current Sense Resistor
Figure 17
Minimum Inductance Required During Synchronization Operation
LMIN
VBO V
[] RCS
[]
×
106
3
–
×10 V
[] fFREQ Hz
[]
×
------------------------------------------------------------------
≥
LSYNC
VBO V
[] RCS
[]
×
106
3
–
×10 V
[] 250kHz
×
-----------------------------------------------------------
≥
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