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參數(shù)資料
| 型號： | ADUM5242 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual-Channel Isolators with Integrated DC/DC Converter, 50 mW |
| 中文描述： | 雙通道隔離器的集成DC / DC轉(zhuǎn)換器，50毫瓦 |
| 文件頁數(shù)： | 5/10頁 |
| 文件大小： | 152K |
| 代理商： | ADUM5242 |
Preliminary Technical Data
ADuM5240/ADuM5241/ADuM5242
DIN EN 60747-5-2 (VDE 0884 PART 2) INSULATION CHARACTERISTICS
Table 5.
Description
Installation Classification per DIN VDE 0110
For Rated Mains Voltage ≤ 150 V rms
For Rated Mains Voltage ≤ 300 V rms
Climatic Classification
Pollution Degree (DIN VDE 0110, Table 1)
Maximum Working Insulation Voltage
Input to Output Test Voltage, Method b1
V
IORM
× 1.875 = V
PR
, 100% Production Test, t
m
= 1 sec, Partial Discharge < 5 pC
Input to Output Test Voltage, Method a
After Environmental Tests Subgroup 1
V
IORM
× 1.6 = V
PR
, t
m
= 60 sec, Partial Discharge < 5 pC
After Input and/or Safety Test Subgroup 2/3
V
IORM
× 1.2 = V
PR
, t
m
= 60 sec, Partial Discharge < 5 pC
Highest Allowable Overvoltage (Transient Overvoltage, t
TR
= 10 sec)
Safety-Limiting Values (maximum value allowed in the event of a failure; also see the thermal
derating curve, Figure 4)
Case Temperature
Side 1 Current
Side 2 Current
Insulation Resistance at T
S
, V
IO
= 500 V
Rev. PrN | Page 5 of 10
Symbol Characteristic
IIV
IIII
40/105/21
2
V
IORM
425
V
PR
797
V
PR
680
510
V
TR
4000
Unit
V peak
V peak
V peak
V peak
V peak
T
S
I
S1
I
S2
R
S
150
160
170
>10
9
°C
mA
mA
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
Operating Temperature
Supply Voltages
1
V
DD
, DC/DC Conv. Enabled
V
DD
, DC/DC Conv. Disabled
V
ISO
, DC/DC Conv. Disabled
Input Signal Rise and Fall Times
Input Supply Slew Rate
Symbol
T
A
V
DD
V
DD
V
ISO
Min
40
4.5
2.7
2.7
Max
+105
5.5
4.0
5.5
1.0
10
Unit
°C
V
V
V
ms
V/ms
1
All voltages are relative to their respective ground.
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