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LP8733 Datasheet(数据表) 38 Page - Texas Instruments

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部件型号  LP8733
说明  LP8733xx Dual High-Current Buck Converter and Dual Linear Regulator
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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LP8733 Datasheet(HTML) 38 Page - Texas Instruments

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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
38
LP8733
SNVSBK2 – SEPTEMBER 2019
www.ti.com
Product Folder Links: LP8733
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
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 22.
Figure 22. Device Operation Modes




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