Si88421ED-IS datasheet, PDF - EEWORLD Datasheet

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Si88421ED-IS: DescriptionDigital Isolators 5KV digital Isolator with DC/DC converter; Categorysemiconductor Analog mixed-signal IC; File Size943KB，48 Pages; ManufacturerSilicon Laboratories; Environmental Compliance

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Si88421ED-IS Overview

Digital Isolators 5KV digital Isolator with DC/DC converter

Si88421ED-IS Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Silicon Laboratories
Product Category	Digital Isolators
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	SO-16
Number of Channels	2 Channel
Polarity	Unidirectional
Isolation Voltage	5000 Vrms
Isolation Type	Capacitive Coupling
Data Rate	100 Mb/s
Propagation Delay Time	17.5 ns
Supply Voltage - Max	5.5 V
Supply Voltage - Min	3 V
Operating Supply Current	9.7 mA
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C
Packaging	Tube
Product	Digital Isolators
Shutdown	Shutdown
Forward Channels	1 Channel
Maximum Fall Time	2.5 ns
Maximum Rise Time	2.5 ns
Pd - Power Dissipation	2.27 W
Pulse Width	10 ns
Pulse Width Distortion	4.8 ns
Reverse Channels	1 Channel
Factory Pack Quantity	46

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Si88x2x Data Sheet

Dual Digital Isolators with DC-DC Converter

KEY FEATURES

The Si88xx integrates Silicon Labs' proven digital isolator technology with an on-chip

isolated dc-dc converter that provides regulated output voltages of 3.3 or 5.0 V (or >5 V

with external components) at peak output power levels of up to 5 W. These devices pro-

vide up to two digital channels. The dc-dc converter has user-adjustable frequency for

minimizing emissions, a soft-start function for safety, a shutdown option and loop com-

pensation. The device requires only minimal passive components and a miniature trans-

former.

The ultra-low-power digital isolation channels offer substantial data rate, propagation de-

lay, size and reliability advantages over legacy isolation technologies. Data rates up to

100 Mbps max are supported, and all devices achieve propagation delays of only 23 ns

max. Ordering options include a choice of dc-dc converter features, isolation channel

configurations and a fail-safe mode. All products are certified by UL, CSA, VDE, and

CQC.

• High-speed isolators with integrated dc-dc

converter

• Fully-integrated secondary sensing

feedback-controlled converter with

dithering for low EMI

• dc-dc converter peak efficiency of 83%

with external power switch

• Up to 5 W isolated power with external

power switch

• Options include dc-dc shutdown, frequency

control, and soft start

• Standard Voltage Conversion

• 3/5 V to isolated 3/5 V

• 24 V to isolated 3/5 V

• 3/5 V to isolated 24 V

• 24 V to isolated 24 V

Applications:

•

Industrial automation systems

Hybrid electric and electric vehicles

Isolated power supplies

Inverters

• Data acquisition

• Motor control

• PLCs, distributed control systems

• Precise timing on digital isolators

• 0 – 100 Mbps

• 18 ns typical prop delay

• Highly-reliable: 100 year lifetime

• High electromagnetic immunity and ultra-

low emissions

• RoHS compliant packages

• SOIC-20 wide body

Safety Approval (Pending):

• UL 1577 recognized

• Up to 5000 Vrms for 1 minute

• CSA component notice 5A approval

• IEC 60950

• VDE certification conformity

• VDE0884-10

• CQC certification approval

• GB4943.1

• SOIC-16 wide body

• Isolation of up to 5000 Vrms

• High transient immunity of 100 kV/µs

(typical)

• AEC-Q100 qualified

• Wide temp range

• –40 to +125 °C

silabs.com

| Building a more connected world.

Rev. 1.0

Si88421ED-IS Related Products

	Si88421ED-IS	Si88420BD-IS
Description	Digital Isolators 5KV digital Isolator with DC/DC converter	Digital Isolators 5KV digital Isolator with DC/DC converter
Product Attribute	Attribute Value	Attribute Value
Manufacturer	Silicon Laboratories	Silicon Laboratories
Product Category	Digital Isolators	Digital Isolators
RoHS	Details	Details
Mounting Style	SMD/SMT	SMD/SMT
Package / Case	SO-16	SO-16
Number of Channels	2 Channel	2 Channel
Polarity	Unidirectional	Unidirectional
Isolation Voltage	5000 Vrms	5000 Vrms
Isolation Type	Capacitive Coupling	Capacitive Coupling
Data Rate	100 Mb/s	100 Mb/s
Propagation Delay Time	17.5 ns	17.5 ns
Supply Voltage - Max	5.5 V	5.5 V
Supply Voltage - Min	3 V	3 V
Operating Supply Current	9.7 mA	16.1 mA
Minimum Operating Temperature	- 40 C	- 40 C
Maximum Operating Temperature	+ 125 C	+ 125 C
Packaging	Tube	Tube
Product	Digital Isolators	Digital Isolators
Shutdown	Shutdown	Shutdown
Forward Channels	1 Channel	2 Channel
Maximum Fall Time	2.5 ns	2.5 ns
Maximum Rise Time	2.5 ns	2.5 ns
Pd - Power Dissipation	2.27 W	2.27 W
Pulse Width	10 ns	10 ns
Pulse Width Distortion	4.8 ns	4.8 ns
Reverse Channels	1 Channel	0 Channel
Factory Pack Quantity	46	46

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