Datasheet ADuM5401, ADuM5402, ADuM5403, ADuM5404 (Analog Devices)

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Quad-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter Data Sheet ADuM5401/ ADuM5402/ ADuM5403/ ADuM5404 FEATURES FUNCTIONAL BLOCK DIAGRAMS iso Power integrated, isolated dc-to-dc converter Regulated 3.3 V or 5.0 V output V 1 OSC RECT 16 DD1 REG VISO Up to 500 mW output power GND 2 15 GND Quad dc-to-25 Mbps (NRZ) signal isolation channels 1 ISO V 3 14 V 16-lead SOIC package with 7.6 mm creepage IA/VOA OA/VIA 4 CHANNEL i COUPLER CORE V V High temperature operation: 105°C maximum 4 13 IB/VOB OB/VIB ADuM5401/ADuM5402/ High common-mode transient immunity: >25 kV/μs V 5 12 IC/VOC VOC/VIC ADuM5403/ADuM5404 Safety and regulatory approvals V 6 11 OD VID UL recognition RC 7 10 OUT VSEL 2500 V rms for 1 minute per UL 1577 GND 8 9
-001
1 GNDISO
06577
CSA Component Acceptance Notice 5A
Figure 1.
VDE certificate of conformity IEC 60747-5-2 (VDE 0884, Part 2) VIA VOA 3 14 V ADuM5401 V IB VOB IORM = 560 V peak 4 13 CQC certification per GB4943.1-2011 VIC VOC 5 12 VOD VID
100
APPLICATIONS 6 11
77- 065
RS-232/RS-422/RS-485 transceivers
Figure 2. ADuM5401
Industrial field bus isolation VIA VOA 3 14 Power supply start-up bias and gate drives V ADuM5402 IB VOB 4 13 Isolated sensor interfaces VOC VIC 5 12 Industrial PLCs VOD VID
101
6 11
77-
GENERAL DESCRIPTION
065 Figure 3. ADuM5402 The ADuM5401/ADuM5402/ADuM5403/ADuM54041 are quad-
VIA VOA
channel digital isolators with isoPower®, an integrated, isolated dc-
3 14 VOB ADuM5403 VIB
to-dc converter. Based on the Analog Devices, Inc., iCoupler®
4 13 VOC VIC
technology, the dc-to-dc converter provides up to 500 mW of
5 12 VOD VID
102 regulated, isolated power at either 5.0 V or 3.3 V from a 5.0 V input
6 11
577- 06 supply, or at 3.3 V from a 3.3 V supply at the power levels shown in Figure 4. ADuM5403 Table 1. These devices eliminate the need for a separate, isolated
VOA VIA
dc-to-dc converter in low power, isolated designs. The iCoupler
3 14 VOB ADuM5404 VIB
chip scale transformer technology is used to isolate the logic
4 13 V
signals and for the power and feedback paths in the dc-to-dc
OC VIC 5 12
03
V
converter. The result is a small form factor, total isolation
OD VID
1
6 11
7- 57 solution. 06 Figure 5. ADuM5404 The ADuM5401/ADuM5402/ADuM5403/ADuM5404 isolators provide four independent isolation channels in a variety of
Table 1. Power Levels
channel configurations and data rates (see the Ordering Guide
Input Voltage (V) Output Voltage (V) Output Power (mW)
for more information). 5.0 5.0 500 isoPower uses high frequency switching elements to transfer 5.0 3.3 330 power through its transformer. Special care must be taken 3.3 3.3 200 during printed circuit board (PCB) layout to meet emissions standards. See the AN-0971 Application Note for board layout recommendations. 1 Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAMS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/5 V SECONDARY ISOLATED SUPPLY ELECTRICAL CHARACTERISTICS—3.3 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY PACKAGE CHARACTERISTICS REGULATORY INFORMATION INSULATION AND SAFETY-RELATED SPECIFICATIONS IEC 60747-5-2 (VDE 0884, PART 2):2003-01 INSULATION CHARACTERISTICS RECOMMENDED OPERATING CONDITIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TRUTH TABLE TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY APPLICATIONS INFORMATION PCB LAYOUT THERMAL ANALYSIS PROPAGATION DELAY-RELATED PARAMETERS START-UP BEHAVIOR EMI CONSIDERATIONS DC CORRECTNESS AND MAGNETIC FIELD IMMUNITY POWER CONSUMPTION POWER CONSIDERATIONS INCREASING AVAILABLE POWER INSULATION LIFETIME OUTLINE DIMENSIONS ORDERING GUIDE NOTES NOTES