UWR-12/1250-D12A-C 查看數據表（PDF） - Murata Manufacturing
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UWR-12/1250-D12A-C Datasheet PDF : 13 Pages
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UWR Models
Single Output, High-Density,
6 Amp/15 Watt DC/DC Converters
Temperature Derating Curves for UWR 7-15W A-Series
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.
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
www.murata-ps.com/support
0
–40 0 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (°C)
MDC_UWR_7-15.I03 Page 6 of 13
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