AS3709 datasheet(28/74 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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28 / 74 page

AS3709 – 28

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

Det a il e d De sc r i pt ion - S y s t em F u nc t i on s

Note(s) and/or Footnote(s):

1. The selection of the range and level is done via OTP. It’s recommended to set the ResVoltRise level 200mV above the ResVoltFall

level to have a hysteresis.

2. 2.7V is the default value, other levels can be set via SW.

3. XRES signal is debounced with the specified mask time for rising- and falling slope of VSUP

4. VRES_FALL is only accepted if the reset condition is longer than VRES_MASK. This guard time is used to avoid a complete reset of

the system in case of short drops of VSUP.

Figure 37:

ResVoltRise/ResVoltFall Levels

Note: If bit reslevel_5V is “1”, then the 5.0V mode is selected.

VRES_MAS

Mask time for VXRES_fall

Duration for

VSUP < ResVoltFall

until a reset cycle is

started (3)

FastResEn = 0

FastResEn = 1

μs

Mode

000

001

010

011

100

101

110

111

3.3V

2.7V

2.8V

2.9V

3.0V

3.1V

3.2V

3.3V

3.4V

5.0V

3.6V

3.7V

3.8V

3.9V

4.0V

4.1V

4.2V

4.4V

Symbol

Parameter

Note

Min

Typ

Max

Uni

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