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Bulletin PD-20044 rev. B 09/01
85CNQ015A
SCHOTTKY RECTIFIER New GenIII D-61 Package
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular VRRM IFSM @ tp = 5 s sine VF TJ @ 40 Apk, TJ= 75 C (per leg) range
80 Amp
Description/Features
The 85CNQ015A center tap Schottky rectifier module has been optimized for ultra low forward voltage drop specifically for the OR-ing of parallel power supplies. The proprietary barrier technology allows for reliable operation up to 125 C junction temperature. Typical applications are in parallel switching power supplies, converters, reverse battery protection, and redundant power subsystems. 125C TJ operation (VR < 5V) Center tap module Optimized for OR-ing applications Ultra low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance
85CNQ015A Units
80 waveform 15 5200 0.32 V A V A
- 55 to 100
C
New fully transfer-mold low profile, small footprint, high current package
Case Styles
85CNQ...A 85CNQ...ASM 85CNQ...ASL
D61-8 www.irf.com
D61-8-SM
D61-8-SL
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85CNQ015A
Bulletin PD-20044 rev. B 09/01
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V)
85CNQ015A
15 25
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 5200 850 9 2 A mJ A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 5s Sine or 3s Rect. pulse TJ = 25 C, IAS = 2 Amps, L = 4.50 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 3 x VR typical
85CNQ Units
80 A
Conditions
50% duty cycle @ TC = 78 C, rectangular wave form
Electrical Specifications
Parameters
VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1)
85CNQ Units
0.36 0.45 0.32 0.42 20 1000 890 540 V V V V mA mA mA mA pF nH V/ s @ 40A @ 80A @ 40A @ 80A
Conditions
TJ = 25 C TJ = 75 C VR = rated VR VR = 12V VR = 5V
IRM
Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1)
TJ = 25 C TJ = 100 C TJ = 100 C TJ = 100 C
CT LS
Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg)
3600 5.5 10000
VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C Measured lead to lead 5mm from package body
dv/dt Max. Voltage Rate of Change (Rated VR)
Thermal-Mechanical Specifications
Parameters
TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range
(1) Pulse Width < 300s, Duty Cycle <2%
85CNQ Units
-55 to 125 -55 to 150 0.85 0.42 0.30 7.8 (0.28) Min. Max. 40 (35) 58 (50) C C
Conditions
RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink (D61-8 Only) wt T Approximate Weight MountingTorque (D61-8 Only)
C/W DCoperation C/W DCoperation
* See Fig. 4
C/W Mounting surface , smooth and greased Device flatness < 5 mils g (oz.) Kg-cm (Ibf-in)
2
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85CNQ015A
Bulletin PD-20044 rev. B 09/01
1000
1000
Tj = 100C
Reverse Current - IR (mA)
100
75C
50C
100
Instantaneous Forward Current - I F (A)
10
25C
1 0
10
T J = 100C T J = 75C T J = 25C
Junction Capacitance - C T (p F)
5
10
15
Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg)
10000
T J = 25C
1
0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Forward Voltage Drop - VFM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg)
1000 0 5 10 15 20
Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg)
1
Thermal Impedance Z thJC (C/W)
D = 0.50 D = 0.33 D = 0.25 0.1 D = 0.17 D = 0.08 Notes: Single Pulse (Thermal Resistance) 0.01 0.00001 0.0001 0.001 0.01 1. Duty factor D = t 1 / t2 2. Peak Tj = Pdm x ZthJC + Tc 0.1 1 10 100
PDM
t1 t2
t1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg)
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3
85CNQ015A
Bulletin PD-20044 rev. B 09/01
105
Allowable Case Temperature - (C)
20
Average Power Loss - (Watts)
R thJC (DC) = 0.85 C/W
100 95 90 85 80 0 10 20 30 40 50 60
Average Forward Current - IF(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg)
Non-Repetitive Surge Current - IFSM (A)
15
D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50
10
RMS Limit
DC
DC
5
0 0 10 20 30 40 50 60
Average Forward Current - IF(AV) (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg)
10000
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)
L HIGH-SPEED SWITCH FREE-WHEEL DIODE 40HFL40S02 Vd = 25 Volt
DUT
IRFP460 Rg = 25 ohm
+
CURRENT MONITOR
Fig. 8 - Unclamped Inductive Test Circuit
4
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85CNQ015A
Bulletin PD-20044 rev. B 09/01
Outline Table
Outline D61-8
Dimensions are in millimeters and (inches)
Outline D61-8-SM
Dimensions are in millimeters and (inches)
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5
85CNQ015A
Bulletin PD-20044 rev. B 09/01
Outline Table
Outline D61-8-SL
Dimensions are in millimeters and (inches)
6
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85CNQ015A
Bulletin PD-20044 rev. B 09/01
Part Marking Information
INTERNATIONAL RECTIFIER LOGO PART NUMBER
THIS IS A 85CNQ015A WITH LOT CODE 89 09 ASSEMBLED ON WW 45, 2000 IN THE ASSEMBLY LINE "A" ASSEMBLY LOT CODE
85CNQ015A 89 09 045A DATE CODE YEAR 0 = 2000 WEEK 45 LINE A
D61-8
INTERNATIONAL RECTIFIER LOGO THIS IS A 85CNQ015ASM WITH LOT CODE 89 09 ASSEMBLED ON WW 45, 2000 IN THE ASSEMBLY LINE "A" ASSEMBLY LOT CODE
PART NUMBER
85CNQ015ASM 89 09 045A DATE CODE YEAR 0 = 2000 WEEK 45 LINE A
D61-8-SM
INTERNATIONAL RECTIFIER LOGO
85CNQ015ASL 89 09 045A
PART NUMBER
THIS IS A 85CNQ015ASL WITH LOT CODE 89 09 ASSEMBLED ON WW 45, 2000 IN THE ASSEMBLY LINE "A"
ASSEMBLY LOT CODE
DATE CODE YEAR 0 = 2000 WEEK 45 LINE A
D61-8-SL
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85CNQ015A
Bulletin PD-20044 rev. B 09/01
Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 09/01
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