UWR-12/1250-D12A 查看數據表（PDF） - C and D TECHNOLOGIES
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UWR-12/1250-D12A Datasheet PDF : 12 Pages
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A Series
7-15W, SINGLE OUTPUT DC/DC CONVERTERS
TEMPERATURE DERATING
The thermal performance of A-Series UWR 7-15 Watt DC/DC Converters
is depicted in the derating curves shown below. All devices, when operated
at full load, in still ambient air, over their full specified input voltage range,
can safely operate to TA maximum. All models, other than the D12A models
(10-18 Volt input range), can operate at higher ambient temperatures if the
input range is narrowed. For example, model UWR-5/3000-D48A can operate
safely to +70°C if the input range is kept between 36 and 48 Volts. Contact
DATEL's Applications Engineering Group if you need additional details.
D12A (10-18V) Temperature Derating
15.0
13.5
12.0
VOUT = 2.5V, 5V, 12V and 15V
10.5
9.0
7.5
6.0
VOUT = 1.2V
4.5
VOUT = 1.5V
3
VOUT = 1.8V
1.5
VOUT = 3.3V
0
–40 0 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
D24A and D48A Temperature Derating for 2.5/5/12 /15V Output Models
15.0
13.5
VIN = 18V-27V (D24A)
VIN = 36V-48V (D48A)
12.0
10.5
9.0
7.5
6.0
4.5
VIN = 18V-30V (D24A)
VIN = 36V-60V (D48A)
VIN = 18V-36V (D24A)
VIN = 36V-75V (D48A)
3
1.5
0
–40 0 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
D24A and D48A Temperature Derating for 1.5V Output Models
10
9
VIN = 18V-27V (D24A)
8
VIN = 36V-48V (D48A)
7
6
VIN = 18V-30V (D24A)
VIN = 36V-60V (D48A)
5
4
VIN = 18V-36V (D24A)
3
VIN = 36V-75V (D48A)
2
1
0
–40 0 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
D24A and D48A Temperature Derating for 1.8V Output Models
12
11
VIN = 18V-27V (D24A)
VIN = 36V-48V (D48A)
10
9
8
VIN = 18V-30V (D24A)
7
VIN = 36V-60V (D48A)
6
5
VIN = 18V-36V (D24A)
VIN = 36V-75V (D48A)
4
3
2
1
0
–40 0 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
D24A and D48A Temperature Derating for 3.3V Output Models
14
VIN = 18V-27V (D24A)
VIN = 36V-48V (D48A)
12
10
VIN = 18V-30V (D24A)
8
VIN = 36V-60V (D48A)
6
VIN = 18V-36V (D24A)
VIN = 36V-75V (D48A)
4
2
0
–40 0 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
6
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