ISO7421 datasheet(17/28 Pages) TI

17 / 28 page

1 MW

500 W

VCCI

OUT

8 W

13 W

Output

VCCO

Input

ISO7420, ISO7420M, ISO7421

www.ti.com

SLLS984I – JUNE 2009 – REVISED JULY 2015

8.3.4 Regulatory Information

VDE

CSA

CQC

Certified according to

DIN V VDE V 0884-10 (VDE V

Recognized under UL1577

Approved under CSA Component

Certified according to

0884-10):2006-12 and

Component Recognition

Acceptance Notice #5A

GB4943.1-2011

DIN EN 61010-1 (VDE 0411-1):

Program(1)

2011-07

Basic Insulation

Basic insulation per CSA 60950-1-

Basic Insulation, Altitude

≤

Maximum Transient Overvoltage,

07 and IEC 60950-1 (2nd Ed),

5000 m, Tropical Climate, 250

4242 VPK

Single Protection, 2500 VRMS

VRMS maximum working

390 VRMS maximum working

Maximum Working Voltage, 566

voltage

VPK

Certificate number:

Certificate number: 40016131

Master contract number: 220991

File number: E181974

CQC14001109540

(1)

Production tested

≥ 3000 VRMS for 1 second in accordance with UL 1577.

8.4 Device Functional Modes

Table 2. Function Table(1)

INPUT

OUTPUT

VCCI

VCCO

INA, INB

OUTA, OUTB

Open

H(2)

Undetermined

(1)

VCCI = Input-side power supply; VCCO = Output-side power supply;

PU = Powered up (VCC ≥ 3.15 V); PD = Powered down (VCC ≤ 2.1

V); X = Irrelevant; H = High level; L = Low level

(2)

In fail-safe condition, output defaults to high level.

8.4.1 Device I/O Schematics

Figure 11. Device I/O Schematics

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