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ISO721 bảng dữ liệu(PDF) 12 Page - Texas Instruments

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tên linh kiện ISO721
Giải thích chi tiết về linh kiện  3.3-V/5-V HIGH-SPEED DIGITAL ISOLATORS
PDF  24 Pages
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ISO721 bảng dữ liệu(HTML) 12 Page - Texas Instruments

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DEVICE INFORMATION
DEVICE I/O SCHEMATIC
13 W
8 W
VCC2
EN
1MW
Enable
VCC2
500 W
VCC2
Output
OUT
IN
1MW
Input
VCC1
VCC1
500 W
VCC1
ISO721M-EP
SLLS882 – JUNE 2008....................................................................................................................................................................................................... www.ti.com
PACKAGE CHARACTERISTICS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
L(101) Minimum air gap (Clearance) (1)
Shortest terminal to terminal distance through air
4.8
mm
Shortest terminal to terminal distance across the
L(102) Minimum external tracking (Creepage)
4.3
mm
package surface
Tracking resistance (comparative tracking
CTI
DIN IEC 60112/VDE 0303 Part 1
≥ 175
V
index)
Minimum internal gap (internal clearance)
Distance through insulation
0.008
mm
Input to output, VIO = 500 V, all pins on each side
of the barrier tied together creating a two-terminal
>1012
device, TA < 100 °C
RIO
Isolation resistance
Input to output, VIO = 500 V,
>1011
100°C
≤ TA< TA max.
Barrier capacitance
CIO
VI = 0.4 sin (4E6πt)
1
pF
Input-to-output
CI
Input capacitance to ground
VI = 0.4 sin (4E6πt)
1
pF
(1)
Creepage and clearance requirements are 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
IIIa
Rated mains voltage
≤150 VRMS
I-IV
Installation classification
Rated mains voltage
≤300 VRMS
I-III
Equivalent Input and Output Schematic Diagrams
12
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): ISO721M-EP



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