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WRN72XX-2000 Datasheet(PDF) 2 Page - Microdc power Technology Co., Ltd

Part # WRN72XX-2000
Description  WIDEINPUTNON-ISOLATED & REGULATED SINGLEOUTPUT
Download  4 Pages
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Manufacturer  MICRODC [Microdc power Technology Co., Ltd]
Direct Link  http://www.microdc.cn/
Logo MICRODC - Microdc power Technology Co., Ltd

WRN72XX-2000 Datasheet(HTML) 2 Page - Microdc power Technology Co., Ltd

  WRN72XX-2000 Datasheet HTML 1Page - Microdc power Technology Co., Ltd WRN72XX-2000 Datasheet HTML 2Page - Microdc power Technology Co., Ltd WRN72XX-2000 Datasheet HTML 3Page - Microdc power Technology Co., Ltd WRN72XX-2000 Datasheet HTML 4Page - Microdc power Technology Co., Ltd  
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WRN72XX-2000(B)&WRN73XX-
WRN72XX-2000(B)&WRN73XX-
WRN72XX-2000(B)&WRN73XX-
WRN72XX-2000(B)&WRN73XX-
WRN72XX-2000(B)&WRN73XX-
WRN72XX-2000(B)&WRN73XX-
WRN72XX-2000(B)&WRN73XX-
WRN72XX-2000(B)&WRN73XX-3
3
3
3
3
3
3
3000(B)&WRN74XX-
000(B)&WRN74XX-
000(B)&WRN74XX-
000(B)&WRN74XX-
000(B)&WRN74XX-
000(B)&WRN74XX-
000(B)&WRN74XX-
000(B)&WRN74XX-4
4
4
4
4
4
4
4000(B)
000(B)
000(B)
000(B)
000(B)
000(B)
000(B)
000(B) Series
Series
http://www.microdc.cn
Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
Page 2 of 4
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT
CURRENT vs
vs
vs
vs
vs
vs
vs
vs INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
How
How
How
How
to
to
to
to calculating
calculating
calculating
calculating the
the
the
the max
max
max
max output
output
output
output current
current
current
current
The internal power dissipation(PD)follows the equation:
PD = Io × Vo × (1-η)
Io = PD / Vo × (1-η)
Where
PD = Internal power dissipation
Io = Output current
Vo = Output voltage
η = Efficiency
Example:R-745.0P ,at Vin = 28Vdc ,Vo = 5Vdc ,η=91% (see table 1)
(a) When Ta = 60°C ,PD = 1.4 Watt (see fig-1)
Io = 1.4(W) / 5(V) × (1-0.91) = 3.11(A)
(b) When Ta = 85°C ,PD = 1 Watt (see fig-1)
Io = 1(W) / 5(V) × (1-0.91) = 2.222(A)
(c) At Vin = 12Vdc efficiency = 94% (see table 1)
When Ta = 85°C ,PD = 1 Watt (see fig-1)
Io = 1(W) / 5(V) × (1-0.94) =3.33(A)
STANDARD
STANDARD
STANDARD
STANDARD
STANDARD
STANDARD
STANDARD
STANDARD APPLICATION
APPLICATION
APPLICATION
APPLICATION
APPLICATION
APPLICATION
APPLICATION
APPLICATION CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CIRCUIT
CHARACTEISTICS
CHARACTEISTICS
CHARACTEISTICS
CHARACTEISTICS
CHARACTEISTICS
CHARACTEISTICS
CHARACTEISTICS
CHARACTEISTICS
WRN72XX / WRN73XX
WRN74XX
WRN72XX / WRN73XX
Ripple VS Vin
Ripple VS Vin
Efficiency VS Vin
WRN74XX
WRN72XX / WRN73XX / WRN74XX
WRN72XX / WRN73XX / WRN74XX
Efficiency VS Vin
Efficiency / Load Vin=Min
Efficiency / Load Vin=Max


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