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LP8733 bảng dữ liệu(PDF) 37 Page - Texas Instruments

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tên linh kiện LP8733
Giải thích chi tiết về linh kiện  LP8733xx Dual High-Current Buck Converter and Dual Linear Regulator
PDF  84 Pages
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nhà sản xuất  TI [Texas Instruments]
Trang chủ  http://www.ti.com
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LP8733 bảng dữ liệu(HTML) 37 Page - Texas Instruments

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7.4 Device Functional Modes
7.4.1 Modes of Operation
SHUTDOWN: The V(VANA) voltage is below VANAUVLO threshold level. All switch, reference, control, and bias
circuitry of the LP8733xx device are turned off.
READ OTP:
The main supply voltage V(VANA) is above VANAUVLO level. The regulators are disabled, and the
reference and bias circuitry of the LP8733xx are enabled. The OTP bits are loaded to registers.
STANDBY:
The main supply voltage V(VANA) is above VANAUVLO level. The regulators are disabled, and the
reference, control, and bias circuitry of the LP8733xx are enabled. All registers can be read or
written by the host processor through the system serial interface. The regulators can be enabled
if needed.
ACTIVE:
The main supply voltage V(VANA) is above VANAUVLO level. At least one regulator is enabled. All
registers can be read or written by the host processor through the system serial interface.
The operating modes and transitions between the modes are shown in Figure 7-15.
SHUTDOWN
STANDBY
ACTIVE
REGULATORS
ENABLED
READ
OTP
REG
RESET
I
2C RESET
FROM ANY STATE
EXCEPT SHUTDOWN
REGULATORS
DISABLED
V(VANA) < VANAUVLO
V(VANA) > VANAUVLO
Figure 7-15. Device Operation Modes
www.ti.com
LP8733
SNVSBK2A – SEPTEMBER 2019 – REVISED JUNE 2021
Copyright © 2021 Texas Instruments Incorporated
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