DSTF4045C Datasheet, PDF (1/3 Pages) Littelfuse – High frequency operation

DSTF4045C
Schottky Barrier Rectifier
DSTF4045C, 2x 20A, 45V, ITO-220AB, Common Cathode
RoHS Pb
Description
Littelfuse DST series Ultra Low V_F Schottky Barrier
Rectifier is designed to meet the general requirements
of commercial and industry applications by providing high
temperature, low leakage and lower V_F products.
It is suitable for high frequency switching mode power
supply, free-wheeling diodes and polarity protection
diodes.
Hea^Ptⁱⁿsin^ok^ut
on
Common
e
Cathode
3
ode
K
e
Cathode
3
1
Anode
Com² mon
Cathode
3
Anode
Pinout 2
TO-220AB
Common Cathode
1
2
3
Anode ^Common Anode
Cathode
Pinout 3
ITO-220AB
Common Cathode
Heat sink
Maximum^CR^ata^hot^di^engs
Parameters
Cathod_Pe_{eak Inver}A_sn_eo_Vde_oltage
1
2
Average Forward Current
Pinout 5
Peak ^TO^On^-e²²C⁰y^Ac^Cle Non-Repetitive Surge
Current (per leg)
Symbol
V_RWM
I_F(AV)
I_FSM
Electrical Characteristics
Parameters
Symbol
V_F1
Forward Voltage Drop (per leg) *
V_F2
Reverse Current (per leg) *
I_R1
I_R2
Junction Capacitance (per leg)
C_T
* Pulse Width < 300μs, Duty Cycle <2%
Features
• Ultra low forward voltage
drop
• High frequency operation
• High junction
temperature capability
• Guard ring for enhanced
ruggedness and long
term reliability
• Common cathode
configuration in ITO-
220AB package
Applications
• Switching mode power
supply
• DC/DC converters
• Free-Wheeling diodes
• Polarity Protection Diodes
Test Conditions
-
50% duty cycle @T_C =90°C
rectangular wave form
8.3 ms, half Sine pulse
Max
45
20 (per leg)
40 (total device)
240
Unit
V
A
A
Test Conditions
@5A, Pulse, T_J = 25 °C
@10A, Pulse, T_J = 25 °C
@20A, Pulse, T_J = 25 °C
@5A, Pulse, T_J = 125 °C
@10A, Pulse, T_J = 125 °C
@20A, Pulse, T_J = 125 °C
@V_R = rated V_R T_J = 25 °C
@V_R = rated V_R T_J = 125 °C
@V_R = 5V, T_C = 25 °C, f_SIG = 1MHz
Typ
0.41
0.46
0.53
0.31
0.39
0.51
0.028
14
840
Max
0.47
0.52
0.58
-
-
-
3.0
150
-
Unit
V
mA
pF
©2016 Littelfuse, Inc
Specifications are subject to change without notice.
Revised:02/03/16