MBRB735PBF Datasheet PDF - International Rectifier

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MBRB735PBF
International Rectifier

Part Number MBRB735PBF
Description (MBRB735PBF / MBRB745PBF) SCHOTTKY RECTIFIER
Page 7 Pages


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Bulletin PD-21048 rev. A 06/06
SCHOTTKY RECTIFIER
MBRB7..PbF
7.5 Amp
IF(AV) = 7.5Amp
VR = 35 - 45V
Major Ratings and Characteristics
Characteristics
IF(AV) Rectangular
waveform
VRRM
IFSM
VF
@ tp = 5 μs sine
@ 7.5 Apk, TJ = 125°C
TJ range
Values
7.5
Units
A
35 - 45
690
0.57
- 65 to 150
V
A
V
°C
Description/ Features
The MBRB7.. Schottky rectifier has been optimized for low
reverse leakage at high temperature. The proprietary barrier
technology allows for reliable operation up to 150° C junction
temperature. Typical applications are in switching power
supplies, converters, free-wheeling diodes, and reverse bat-
tery protection.
150° C TJ operation
High purity, high temperature epoxy encapsulation for
enhanced mechanical strength and moisture resistance
High frequency operation
Guard ring for enhanced ruggedness and long term
reliability
Lead-Free ("PbF" suffix)
Case Styles
Base
Cathode
2
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D2PAK
1
N/C
3
Anode
1
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MBRBB7..PbF Series
Bulletin PD-21048 rev. A 06/06
Voltage Ratings
Parameters
VR Max. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
MBRB735PbF
35
MBRB745PbF
45
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current
IFSM Non-Repetitive Peak Surge Current
EAS Non-RepetitiveAvalancheEnergy
IAR RepetitiveAvalancheCurrent
MBR..
7.5
690
150
7
2
Units Conditions
A @ TC = 131 °C (Rated VR)
Following any rated load
A 5μs Sine or 3μs Rect. pulse condition and with rated
VRRM applied
Surge applied at rated load condition halfwave single
phase 60Hz
mJ TJ = 25 °C, IAS = 2 Amps, L = 3.5 mH
A Current decaying linearly to zero in 1 μsec
Frequency limited by TJ max. VA = 1.5 x VR typical
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop(1)
IRM Max. Instantaneus Reverse Current
(1)
CT Max. Junction Capacitance
LS Typical Series Inductance
dv/dt Max. Voltage Rate of Change
(Rated VR)
MBR..
0.84
0.57
0.72
0.1
15
400
8.0
10000
Units Conditions
V
V
V
mA
mA
pF
nH
V/ μs
@ 15A
@ 7.5A
@ 15A
TJ = 25 °C
TJ = 125 °C
TJ = 25 °C Rated DC voltage
TJ = 125 °C
VR = 5VDC (test signal range 100Khz to 1Mhz) 25°C
Measured from top of terminal to mounting plane
(1) Pulse Width < 300μs, Duty Cycle <2%
Thermal-Mechanical Specifications
Parameters
TJ Max. Junction Temperature Range
Tstg Max. Storage Temperature Range
RthJC Max. Thermal Resistance Junction
to Case
RthCS Typical Thermal Resistance, Case
to Heatsink
wt Approximate Weight
T MountingTorque
Min.
Max.
Marking Device
MBR.. Units Conditions
- 65 to 150 °C
- 65 to 175 °C
3.0 °C/W DCoperation
0.50 °C/W Mounting surface, smooth and greased
2 (0.07) g (oz.)
6 (5) Kg-cm
12 (10) (Ibf-in)
MBRB7..
Case style D2Pak
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MBRB7..PbF Series
Bulletin PD-21048 rev. A 06/06
100 100
10
1
0.1
0.01
0.001
TJ = 150˚C
125˚C
100˚C
75˚C
50˚C
25˚C
0.0001
0 5 10 15 20 25 30 35 40 45
10
T J = 150˚C
Reverse Voltage - VR (V)
Fig. 2 - Typical Values Of Reverse Current
T = 125˚C
J
1000
Vs. Reverse Voltage (Per Leg)
T = 25˚C
J
T J = 25˚C
1
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Forward Voltage Drop - VFM (V)
Fig. 1 - Max. Forward Voltage Drop Characteristics
(Per Leg)
10
100
0
10 20 30 40
Reverse Voltage - VR (V)
50
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage (Per Leg)
D = 0.75
D = 0.50
1 D = 0.33
D = 0.25
D = 0.20
0.1
0.01 Single Pulse
(Thermal Resistance)
PDM
t1
t2
Notes:
1. Duty factor D = t1/ t2
0.001
0.00001
2. Peak Tj = Pdm x ZthJC + Tc
0.0001
0.001
0.01
0.1
1
t1 , Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)
10
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MBRBB7..PbF Series
Bulletin PD-21048 rev. A 06/06
150
140 DC
130 Square Wave (D = 0.50)
Rated Vr Applied
see note (2)
120
0 2 4 6 8 10 12
Average Forward Current - IF(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current
7
D = 0.75
6 D = 0.50
D = 0.33
5
D = 0.25
D = 0.20
4 RMS Limit
3
DC
2
1
0
0 2 4 6 8 10 12
Average Forward Current - IF(AV) (A)
Fig. 6 - Forward Power Loss Characteristics
1000
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - tp (microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
(2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ;
Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6);
PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1= rated VR
4
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MBRB735PBF (MBRB735PBF / MBRB745PBF) SCHOTTKY RECTIFIER MBRB735PBF
International Rectifier
MBRB735PBF pdf

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