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ISO3086T Datasheet(PDF) 11 Page - Texas Instruments

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Part # ISO3086T
Description  Isolated 5V RS-485 Transceiver With Integrated Transformer Driver
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

ISO3086T Datasheet(HTML) 11 Page - Texas Instruments

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ISO3086T
www.ti.com
SLLSE27C
– JANUARY 2011 – REVISED JULY 2011
IEC INSULATION AND SAFETY RELATED SPECIFICATIONS FOR 16-DW PACKAGE
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
L(I01)
Minimum air gap (Clearance(1))
Shortest terminal to terminal distance through air
8.3
mm
L(I02)
Minimum external tracking (Creepage(1))
Shortest terminal to terminal distance across the
8.1
mm
package surface
CTI
Tracking resistance(Comparative Tracking
DIN IEC 60112 / VDE 0303 Part 1
400
V
Index)
Minimum Internal Gap (Internal Clearance)
Distance through the insulation
0.008
mm
RIO
Isolation resistance
Input to output, VIO = 500 V, all pins on each
>1012
Ω
side of the barrier tied together creating a
two-terminal device
CIO
Barrier capacitance Input to output
VI = VCC/2 + 0.4 sin (2πft), f = 1 MHz, VCC = 5 V
2
pF
CI
Input capacitance to ground
VIO = 0.4 sin (2πft), f = 1 MHz
2
pF
(1)
Creepage and clearance requirements should be applied according to the specific equipment isolation standards of an application. Care
should be taken to maintain the creepage and clearance distance of a board design to ensure that the mounting pads of the isolator on
the printed circuit board do not reduce this distance.
Creepage and clearance on a printed circuit board become equal according to the measurement techniques
shown in the Isolation Glossary. Techniques such as inserting grooves and/or ribs on a printed circuit board are
used to help increase these specifications.
IEC 60664-1 RATINGS TABLE
PARAMETER
TEST CONDITIONS
SPECIFICATION
Basic isolation group
Material group
II
Rated mains voltage
≤ 150 VRMS
I-IV
Installation classification
Rated mains voltage
≤ 300 VRMS
I-III
Rated mains voltage
≤ 400 VRMS
I-II
IEC 60747-5-2 INSULATION CHARACTERISTICS(1)
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
SPECIFICATION
UNIT
VIORM
Maximum working insulation voltage
566
VPK
VPR
Input to output test voltage
Method b1, VPR = VIORM × 1.875,
1062
VPK
100% Production test with t = 1 s,
Partial discharge
< 5 pC
Method a, After environmental tests subgroup 1,
906
VPR = VIORM × 1.6, t = 10 s,
Partial discharge
< 5pC
After Input/Output Safety Test Subgroup 2/3,
680
VPR = VIORM x 1.2, t = 10 s,
Partial discharge
< 5 pC
VIOTM
Maximum transient overvoltage
t = 60 s
4242
VPK
VIOSM
Maximum surge voltage
Tested per IEC 60065 (Qualification Test)
4242
VPK
RS
Insulation resistance
VIO = 500 V at TS
> 109
Ω
Pollution degree
2
(1)
Climatic Classification 40/125/21
Copyright
© 2011, Texas Instruments Incorporated
11


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