AS1170 datasheet(10/53 Pages) AMSOSRAM

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AS1170

Electrical characteristics

Datasheet

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DS001083

• v2-00 • 2024-Feb-05

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Symbol

Parameter

Condition

Min

Typ.

Max

Unit

VLEDSHORT

Flash LED short

circuit detection

voltage

Voltage measured between pins

VOUT1,2 and LED_OUT1,2

1.0

TOVTEMP

Overtemperature

protection

Junction temperature

144

°C

TOVTEMPHYST

Overtemperature

hysteresis

°C

tFLASHTIMEOUT

Flash timeout

timer

Can be adjusted with register

flash_timeout

1280

Accuracy

-7.5

+7.5

VUVLO

Undervoltage

lockout

Falling VVIN

2.25

2.4

2.5

Rising VVIN

VUVLO+

0.05

VUVLO+

0.1

VUVLO+

0.15

Digital interface

VIH

High level input

voltage

Pins SCL, SDA

1.26

VVIN

VIL

Low level input

voltage

0.0

0.54

VIHFLASH

High level input

voltage

Pin STROBE

0.7

VVIN

VILFLASH

Low level input

voltage

0.0

0.54

VOL

Low level output

voltage

Pin SDA, IOL=3 mA

0.3

ILEAK

Leakage current

Pins SCL, SDA

-1.0

0.0

+1.0

µA

IPD

Pulldown current

to GND

Pins STROBE

µA

tTIMEOUT

SCL timeout

In indicator, assist or flash mode, if

SCL is low longer than this

timeout, the AS1170 automatically

enters shutdown mode

100

(1) VVIN = +2.7 V to +4.4 V, TAMB = -30 °C to 85 °C, unless otherwise specified. Typical values are at VVIN = +3.7 V, TAMB = 25 °C,

unless otherwise specified.

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