STW4811N datasheet(7/85 Pages) STMICROELECTRONICS

Part #	STW4811N

Description	Power management for multimedia processors

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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7 / 85 page

STw4811M/STw4811N

Overview

CD00131784

7/85

1

Overview

The STw4811 power management device has the following features:

●

Power management module

–

1 step-down converter for processor core (1 V to 1.45 V with 15 steps at 700 mA)

–

1 step-down converter (1.8 V at 600 mA) for general purpose usage such as

processor input/output supply, external memory, DDR and SDRAM and

peripherals

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1 low-drop output regulator for analog supplies, such as PLL (1.05 V, 1.2 V, 1.3 V,

1.8 V at 10 mA)

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1 low-drop output regulator for processor analog functions (2.5 V at 10 mA)

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1 low-drop output regulator for auxiliary devices (1.5 V, 1.8 V, 2.5 V, 2.8 V at

150 mA)

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Auxiliary device

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STw4811M: Vaux OFF at start up

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STw4811N: Vaux ON at start up

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USB OTG module

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Full and low speed USB OTG transceiver

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1 linear regulator 3.1 V supplying transceiver

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1 charge-pump (5 V at 100 mA) supplying VBUS line of the USB cable

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Mass memory cards (SD/MMC/SDIO)

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1 linear regulator (1.8 V, 1.85 V, 2.6 V, 2.7 V, 2.85 V, 3 V, 3.3 V at 150 mA)

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Level shifters

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Miscellaneous

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32 kHz control for multimedia processor

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Processor supply monitoring

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Processor reset control

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2 serial I2C interfaces

Similar Part No. - STW4811N

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	STW4811NBHD/LF	1Mb / 86P	Power management for multimedia processors
	STW4811NBHDT/LF	1Mb / 86P	Power management for multimedia processors
	STW4811NBRA/LF	1Mb / 86P	Power management for multimedia processors
	STW4811NBRAT/LF	1Mb / 86P	Power management for multimedia processors

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Similar Description - STW4811N

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	STW4810	847Kb / 72P	Power Management for Multimedia Processors
	STW4810_0709	979Kb / 79P	Power management for multimedia processors
	STW4811M	1Mb / 86P	Power management for multimedia processors
	STW4810	940Kb / 78P	Power management for multimedia processors
National Semiconductor ...	LP8725	537Kb / 6P	Power Management Unit for Application/Multimedia Processors and Sub-Systems
Texas Instruments	LP8725	1Mb / 46P	[Old version datasheet] LP8725 Power Management Unit for Application or Multimedia Processors and Subsystems
Freescale Semiconductor...	MCIMX31	1Mb / 108P	Multimedia Applications Processors
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STW4811N Datasheet(PDF) 7 Page - STMicroelectronics

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