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UCD3138RMHT bảng dữ liệu(PDF) 20 Page - Texas Instruments

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tên linh kiện UCD3138RMHT
Giải thích chi tiết về linh kiện  Highly Integrated Digital Controller for Isolated Power
PDF  78 Pages
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nhà sản xuất  TI1 [Texas Instruments]
Trang chủ  http://www.ti.com
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UCD3138RMHT bảng dữ liệu(HTML) 20 Page - Texas Instruments

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TPOR
undefined
V33D
IReset
3.3 V
TPOR
VGH
VGL
Vres
t
t
Brown Out
UCD3138
SLUSAP2F – MARCH 2012 – REVISED NOVEMBER 2013
www.ti.com
Figure 3-2. Bus Timing in Extended Mode
3.6
Power On Reset (POR) / Brown Out Reset (BOR)
Figure 3-3. Power On Reset (POR) / Brown Out Reset (BOR)
VGH
– This is the V33D threshold where the internal power is declared good. The UCD3138 comes
out of reset when above this threshold.
VGL
– This is the V33D threshold where the internal power is declared bad. The device goes into
reset when below this threshold.
Vres
– This is the V33D threshold where the internal reset signal is no longer valid. Below this
threshold the device is in an indeterminate state.
IReset
– This is the internal reset signal. When low, the device is held in reset. This is equivalent to
holding the reset pin on the IC high.
TPOR
– The time delay from when VGH is exceeded to when the device comes out of reset.
Brown
– This is the V33D voltage threshold at which the device sets the brown out status bit. In
Out
addition an interrupt can be triggered if enabled.
20
Electrical Specifications
Copyright © 2012–2013, Texas Instruments Incorporated
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Product Folder Links: UCD3138



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