PD-94288B
SCHOTTKY RECTIFIER
HIGH EFFICIENCY SERIES
30LJQ045
30 Amp, 45V
Major Ratings and Characteristics
Characteristics
I
F(AV)
Rectangular Waveform
V
RRM
I
FSM
@tp = 8.3ms half-sine
V
F
@30Apk, T
J
=125°C
Limits
30
45
100
0.66
Units
A
V
A
V
°C
Description/Features
The 30LJQ045 Schottky rectifier has been expressly
designed to meet the rigorous requirements of high
relibility environments. It is packaged in the hermetic
surface mount SMD-0.5 ceramic package. The device's
forward voltage drop and reverse leakage current are
optimized for the lowest power loss and the highest
circuit efficiency for typical high frequency switching
power supplies and resonent power converters. Full
MIL-PRF-19500 quality conformance testing is
available on source control drawings to TX, TXV and
S quality levels.
•
•
•
•
Hermetically Sealed
Low Forward Voltage Drop
High Frequency Operation
Guard Ring for Enhanced Ruggedness and Long term
Reliability
• Surface Mount
• Lightweight
T
J
, T
stg
Operating and Storage
-55 to 150
CASE STYLE
CATHODE ANODE ANODE
Case Outline and Dimensions - SMD-0.5
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1
09/10/07
30LJQ045
Voltage Ratings
Part number
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
30LJQ045
45
Absolute Maximum Ratings
Parameters
I
F(AV)
Max. Average Forward Current
See Fig. 5
I
FSM
Max. Peak One Cycle Non - Repetitive
Surge Current
100
A
@ t
p
= 8.3 ms half-sine
Limits
30
Units
A
Conditions
50% duty cycle @ T
C
= 107 °C, square waveform
Electrical Specifications
Parameters
V
FM
Max. Forward Voltage Drop
See Fig. 1
Limits
0.86
1.07
0.71
0.94
0.66
0.88
Units
V
V
V
V
V
V
mA
mA
mA
pF
nH
@ 30A
@ 60A
@ 30A
@ 60A
@ 30A
@ 60A
T
J
= 25°C
T
J
= 100°C
T
J
= 125°C
Conditions
T
J
= -55°C
T
J
= 25°C
T
J
= 125°C
I
RM
Max. Reverse Leakage Current
See Fig. 2
0.1
6.4
30
V
R
= rated V
R
C
T
L
S
Max. Junction Capacitance
Typical Series Inductance
1300
4.8
V
R
= 5V
DC
( 1MHz, 25°C )
Measured from center of cathode pad to center of
anode pad
Thermal-Mechanical Specifications
Parameters
T
J
T
stg
Max.Junction Temperature Range
Max. Storage Temperature Range
to Case
wt
Weight (Typical)
Die Size (Typical)
Case Style
Pulse Width < 300µs, Duty Cycle < 2%
1.0
115X170
SMD-0.5
g
mils
Limits Units
-55 to 150
-55 to 150
1.6
°C
°C
°C/W
DC operation
Conditions
R
thJC
Max. Thermal Resistance, Junction
See Fig. 4
2
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30LJQ045
100
10
125°C
100°C
Reverse Current - I R ( mA )
1
75°C
0.1
100
0.01
25°C
0.001
0.0001
0
10
20
30
40
50
Instantaneous Forward Current - I F (A)
Reverse Voltage - VR (V)
Fig. 2 - Typical Values of Reverse Current
Vs. Reverse Voltage
10
10000
Tj = 25°C
Junction Capacitance - CT (pF)
Tj = 125°C
TJ = 25°C
1000
Tj = -55°C
1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Forward Voltage Drop - V F (V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
100
0
10
20
30
40
50
Reverse Voltage -VR (V)
Fig. 3 - Typical Junction Capacitance Vs.
Reverse Voltage
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30LJQ045
10
Thermal Response (Z
thJC
)
1
D = 0.50
0.20
0.10
P
DM
t
1
SINGLE PULSE
(THERMAL RESPONSE)
t
2
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.001
0.01
0.1
1
0.1
0.05
0.02
0.01
0.01
0.00001
0.0001
t
1
, Rectangular Pulse Duration (sec)
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics
180
160
30LJQ045
R thJC = 1.6°C/W
Allowable Case Temprature - (°C)
140
120
100
80
60
40
20
0
0
10
20
30
40
50
DC
Average Forward Current - I F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature Vs.
Average Forward Current
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Data and specifications subject to change without notice. 09/2007
4
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