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SABRE-LL-I bảng dữ liệu(PDF) 16 Page - STMicroelectronics

tên linh kiện SABRE-LL-I
Giải thích chi tiết về linh kiện  Combo motor driver
PDF  141 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SABRE-LL-I bảng dữ liệu(HTML) 16 Page - STMicroelectronics

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Internal supplies
SABRE-LL-I
16/141
4
Internal supplies
4.1
Overview
S.A.B.Re includes three internal regulators used to provide a regulated voltage to internal
circuits.
The internal regulators are the following:
- VSupplyInt regulator.
- Charge pump regulator.
- V3v3 regulator.
4.2
VSupplyInt regulator
VSupplyInt is the output of an internal regulator used to supply some internal circuits. This
regulator is not intended to provide external current so it must not be used to supply external
loads. An external capacitor must always be connected to this pin (preferably towards
VSupply pin).
Figure 2.
VSupplyInt pin
The VSupplyInt pin may also be externally connected to VSupply pin by means of an external
resistor REXT: this allows REXT, particularly when VSupply is at the max values of the
operative supply range, to dissipate power that otherwise would be dissipated inside the
chip. The choice of the optimal resistor depends on the application since it is strictly
depending on both VSupply and the current used inside the chip (that is changing with the
chosen configuration).
SABRe
VsupplyInt
IS_Int_TYP
Vsupply
GND
SABRe
internal
circuits



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