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ADUM5240 Datasheet(PDF) 5 Page - Analog Devices

Part No. ADUM5240
Description  Dual-Channel Isolators with Integrated DC/DC Converter, 50 mW
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADUM5240 Datasheet(HTML) 5 Page - Analog Devices

 
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Preliminary Technical Data
ADuM5240/ADuM5241/ADuM5242
Rev. PrN | Page 5 of 10
DIN EN 60747-5-2 (VDE 0884 PART 2) INSULATION CHARACTERISTICS
Table 5.
Description
Symbol
Characteristic
Unit
Installation Classification per DIN VDE 0110
For Rated Mains Voltage ≤ 150 V rms
I−IV
For Rated Mains Voltage ≤ 300 V rms
I−III
Climatic Classification
40/105/21
Pollution Degree (DIN VDE 0110, Table 1)
2
Maximum Working Insulation Voltage
VIORM
425
V peak
Input to Output Test Voltage, Method b1
VPR
797
V peak
VIORM × 1.875 = VPR, 100% Production Test, tm = 1 sec, Partial Discharge < 5 pC
Input to Output Test Voltage, Method a
VPR
After Environmental Tests Subgroup 1
VIORM × 1.6 = VPR, tm = 60 sec, Partial Discharge < 5 pC
680
V peak
After Input and/or Safety Test Subgroup 2/3
VIORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5 pC
510
V peak
Highest Allowable Overvoltage (Transient Overvoltage, tTR = 10 sec)
VTR
4000
V peak
Safety-Limiting Values (maximum value allowed in the event of a failure; also see the thermal
derating curve, Figure 4)
Case Temperature
TS
150
°C
Side 1 Current
IS1
160
mA
Side 2 Current
IS2
170
mA
Insulation Resistance at TS, VIO = 500 V
RS
>109
Ω
Note that the “*” marking on the package denotes DIN EN 60747-5-2 approval for a 425 V peak working voltage.
This isolator is suitable for basic isolation only within the safety limit data. Maintenance of the safety data is ensured by protective circuits.
[Figure to be added]
Figure 4. Thermal Derating Curve, Dependence of Safety
Limiting Values on Case Temperature, per DIN EN 60747-5-
2
RECOMMENDED OPERATING CONDITIONS
Table 6.
Parameter
Symbol
Min
Max
Unit
Operating Temperature
TA
−40
+105
°C
Supply Voltages1
VDD, DC/DC Conv. Enabled
VDD
4.5
5.5
V
VDD, DC/DC Conv. Disabled
VDD
2.7
4.0
V
VISO, DC/DC Conv. Disabled
VISO
2.7
5.5
V
Input Signal Rise and Fall Times
1.0
ms
Input Supply Slew Rate
10
V/ms
1 All voltages are relative to their respective ground.


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