AS3709 datasheet(51/74 Pages) AMSCO

номер детали	AS3709

подробное описание детали	關PMIC with 5 DCDC and 2 LDOs

PDF	74 Pages

Scroll/Zoom	100%

производитель	AMSCO [ams AG]

домашняя страница	http://www.ams.com

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51 / 74 page

ams Datasheet, Confidential: 2013-Aug [1-02]

AS3709 – 51

Reg i st er Description

Figure 70:

SD_control3 Register (Address 29h)

Addr: 29h

SD_control3

Bit

Bit Name

Default

Access

Bit Description

sd5_slave

Enables slave mode of SD5

0 : Normal mode of SD5

1 : SD5 is slave of SD3

sd4_slave

Enables slave mode of SD4

0 : Normal mode of SD4

1 : SD4 is slave of SD3

sd2_slave

Enables slave mode of SD2

0 : Normal mode of SD2

1 : SD2 is slave of SD1

4sd5_fsel

Selects between high and low frequency range

0 : 2 or 3MHz frequency (selectable by sd5_frequ)

1 : 3 or 4MHz frequency (selectable by sd5_frequ)

3sd5_fast

Selects a faster regulation mode for SD5 suitable for

larger load changes.

0 : Normal mode, Cext=10μF

1 : Fast mode, Cext=22μF required

sd5_low_noise

Enables low noise mode of SD5. If enabled smaller

current pulses and output ripple is activated.

0 : Normal mode.

Minimum current pulses of >100mA applied in skip

mode.

1 : Low noise mode.

Only minimum on time applied in skip mode.

1:0

'b00

N/A

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