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UC1843AMDREPG4 Datasheet(Hoja de datos) 3 Page - Texas Instruments

No. de Pieza. UC1843AMDREPG4
Descripción  CURRENT-MODE PWM CONTROLLER
Descarga  15 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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 3 page
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Document Number: 94083
For technical questions, contact: diodestech@vishay.com
www.vishay.com
Revision: 08-Apr-10
3
VS-MURB2020CTPbF, VS-MURB2020CT-1PbF
Ultrafast Rectifier,
2 x 10 A FRED Pt®
Vishay High Power Products
Fig. 1 - Typical Forward Voltage Drop Characteristics
Fig. 2 - Typical Values of Reverse Current vs.
Reverse Voltage
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
1
10
0
94083_01
2.0
0.4
1.2
VF - Forward Voltage Drop (V)
100
1.6
0.1
0.8
T
J = 175 °C
T
J = 125 °C
T
J = 25 °C
0.01
0.1
1
10
100
0
94083_02
100
150
VR - Reverse Voltage (V)
200
250
50
0.001
T
J = 125 °C
T
J = 175 °C
T
J = 150 °C
T
J = 100 °C
T
J = 25 °C
100
1000
1
94083_03
10
100
1000
10
VR - Reverse Voltage (V)
T
J = 25 °C
0.01
0.1
10
0.00001
94083_04
0.0001
0.001
0.01
0.1
1
t1 - Rectangular Pulse Duration (s)
1
Single pulse
(thermal resistance)
D = 0.50
D = 0.20
D = 0.10
D = 0.05
D = 0.02
D = 0.01
P
DM
t
2
t
1
Notes:
1. Duty factor D = t
1/t2
2. Peak T
J = PDM x ZthJC + TC




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