AMC3302 datasheet(7/24 Pages) TI

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6.7 Safety-Related Certifications

VDE

Certified according to DIN VDE V 0884-11 (VDE V 0884-11):

2017-01,

DIN EN 60950-1 (VDE 0805 Teil 1): 2014-08, and

DIN EN 60065 (VDE 0860): 2005-11

Recognized under 1577 component recognition and

CSA component acceptance NO 5 programs

Reinforced insulation

Single protection

Certificate number: 40040142

Certificate planned

6.8 Safety Limiting Values

Safety limiting (1) intends to minimize potential damage to the isolation barrier upon failure of input or output

circuitry. A failure ofthe I/O can allow low resistance to ground or the supply and, without current limiting,

dissipate sufficient power to overheatthe die and damage the isolation barrier potentially leading to secondary

system failures.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Safety input, output, or supply current

RθJA = 73.5°C/W, VDD = 5.5 V, TJ =

150°C, TA = 25°C

309

RθJA = 73.5°C/W, VDD = 3.6 V, TJ =

150°C, TA = 25°C

472

Safety input, output, or total power

RθJA = 73.5°C/W, TJ = 150°C, TA = 25°C

1700

Maximum safety temperature

150

°C

(1)

The maximum safety temperature, TS, has the same value as the maximum junction temperature, TJ, specified for the device. The IS

and PS parameters represent the safety current and safety power, respectively. Do not exceed the maximum limits of IS and PS. These

limits vary with the ambient temperature, TA.

The junction-to-air thermal resistance, RθJA, in the Section 6.4 table is that of a device installed on a high-K test board for leaded

surface-mount packages. Use these equations to calculate the value for each parameter:

TJ = TA + RθJA × P, where P is the power dissipated in the device.

TJ(max) = TS = TA + RθJA × PS, where TJ(max) is the maximum junction temperature.

PS = IS × VDDmax, where VDDmax is the maximum low-side voltage.

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AMC3302

SBASA11 – AUGUST 2020

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