ADUM5401WCRWZ-1 Datasheet, PDF (1/24 Pages) Analog Devices – Quad-Channel, 2.5 kV Isolators with Integrated DC-to-DC Converter

Data Sheet
Quad-Channel Isolators with
Integrated DC-to-DC Converter
ADuM5401W/ADuM5402W/ADuM5403W
FEATURES
isoPower integrated, isolated dc-to-dc converter
Qualified for automotive applications
Regulated 5 V or 3.3 V output
Up to 500 mW output power
Quad dc-to-25 Mbps (NRZ) signal isolation channels
16-lead SOIC package with 7.6 mm creepage
High temperature operation: 105°C
High common-mode transient immunity: >25 kV/µs
Safety and regulatory approvals
UL recognition: 2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
VDE certificate of conformity
DIN EN 69747-5-2 (VDE 0884 Teil 2):2003-1
VIORM = 565 V peak
APPLICATIONS
Hybrid electric battery management
GENERAL DESCRIPTION
The ADuM5401W/ADuM5402W/ADuM5403W¹ devices are
quad-channel digital isolators with isoPower®, an integrated,
isolated dc-to-dc converter. Based on the Analog Devices, Inc.,
iCoupler® technology, the dc-to-dc converter provides up to
500 mW of regulated, isolated power at 5.0 V (see Table 1).
These devices eliminate the need for a separate, isolated dc-to-
dc converter in low power, isolated designs. The iCoupler chip
scale transformer technology is used to isolate the logic signals
and for the magnetic components of the dc-to-dc converter.
The result is a small form factor, total isolation solution.
The ADuM5401W-1/ADuM5402W-1/ADuM5403W-1
versions of the isolators provide an upgraded voltage reference
to ensure proper startup under all load conditions (see the
Ordering Guide for more information).
isoPower uses high frequency switching elements to transfer
power through its transformer. Special care must be taken
during printed circuit board (PCB) layout to meet emissions
standards. See the AN-0971 Application Note for board layout
recommendations.
FUNCTIONAL BLOCK DIAGRAMS
V_DD1 1
GND₁ 2
V_IA 3
V_IB/V_OB 4
V_IC/V_OC 5
V_OD 6
RC_OUT 7
GND₁ 8
OSC
RECT REG
4 CHANNEL iCOUPLER CORE
ADuM5401W/ADuM5402W/
ADuM5403W
16 V_ISO
15 GND_ISO
14 V_OA
13 V_OB/V_IB
12 V_OC/V_IC
11 V_ID
10 V_SEL
9 GND_ISO
Figure 1. ADuM5401W/ADuM5402W/ADuM5403W Block Diagram
V_IA
3
V_OA
14
V_IB ADuM5401W V_OB
4
13
V_IC
5
V_OC
12
V_OD
6
V_ID
11
Figure 2. ADuM5401W
V_IA
3
V_OA
14
V_IB ADuM5402W V_OB
4
13
V_OC
5
V_IC
12
V_OD
6
V_ID
11
Figure 3. ADuM5402W
V_IA
3
V_OA
14
V_OB ADuM5403W V_IB
4
13
V_OC
5
V_IC
12
V_OD
6
V_ID
11
Figure 4. ADuM5403W
Table 1. Power Levels
Input Voltage (V) Output Voltage (V)
5.0
5.0
5.0
3.3
3.3
3.3
Output Power (mW)
500
330
200
1 _{Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; and 7,075,329. Other patents are pending.}
Rev. D
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