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Bulletin PD-20567 rev. C 02/01
40L15CW
SCHOTTKY RECTIFIER 2 x 20 Amps
Major Ratings and Characteristics Characteristics
IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 19 Apk, TJ=125C (per leg, Typical)
Description/Features
The 40L15CW 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
40L15CW Units
40 15 700 0.25 A V A V
- 55 to 125
C
Case Styles
40L15CW
TO-247AC
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40L15CW
Bulletin PD-20567 rev. C 02/01
Voltage Ratings
Part number
VR Max. DC Reverse Voltage (V) @ TJ = 100 C VRWM Max. Working Peak Reverse Voltage (V) @ TJ = 100 C
40L15CW
15
Absolute Maximum Ratings
Parameters
IF(AV) Max. Average Forward Current * See Fig. 5 (Per Leg) (Per Device)
40L15CW Units
20 40 700 330 10 2 A mJ A A
Conditions
50% duty cycle @ TC = 86C, rectangular wave form 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 = 6 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical
I FSM Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 E AS I AR Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg)
Electrical Specifications
Parameters
V FM Forward Voltage Drop (Per Leg) * See Fig. 1
40L15CW Units
Typ. Max. (1) 0.41 0.52 0.25 0.33 0.37 0.50 (1) 7.6 8 2000 10 600 V V V V mA mA V m pF nH V/ s @ 19A @ 40A @ 19A @ 40A TJ = 25 C
Conditions
TJ = 25 C TJ = 125 C VR = rated VR
I RM
Reverse Leakage Current (Per Leg) * See Fig. 2
TJ = 100 C TJ = TJ max.
VF(TO) Threshold Voltage rt CT LS Forward Slope Resistance Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg)
0.182
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)
10,000
Thermal-Mechanical Specifications
Parameters
TJ T stg Max. Junction Temperature Range Max. Storage Temperature Range
(1) Pulse Width < 300s, Duty Cycle <2%
40L15CW Units
-55 to 125 -55 to 150 1.4 0.7 0.24 6(0.21) Min. Max. 6 (5) 12 (10) C C
Conditions
R thJC Max. Thermal Resistance Junction to Case (Per Leg) R thJC Max. Thermal Resistance Junction to Case (Per Package) R thCS Typical Thermal Resistance, Case to Heatsink wt T Approximate Weight Mounting Torque Case Style
C/W DC operation C/W DC operation
* See Fig. 4
C/W Mounting surface , smooth and greased g (oz.) Kg-cm Non-lubricated threads (Ibf-in)
TO-247AC (TO-3P) JEDEC
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40L15CW
Bulletin PD-20567 rev. C 02/01
1 00 0 10 0 0 T J = 100 C 100 75 C 50 C
Reverse C urren t - I R (m A)
10
25 C 1
Instan ta n eo us Forw ard C ur ren t - I F (A )
100
0 .1 0 3 6 9 12 15 Reverse V oltag e - V R (V )
Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage
1 00 0 0 Jun ction C a pa cita n ce - C T (pF) T J = 12 5 C TJ = 7 5 C TJ = 2 5 C
10
T J = 25 C
1 0 00
1 0 0 .2 0 .4 0.6 0.8 1 1 .2 1.4 1 .6 Forw a rd V olta ge D rop - V FM (V )
100 0 5 10 15 20 Reverse V olta ge - VR (V )
Fig. 1 - Maximum Forward Voltage Drop Characteristics
10 Th erm a l Im pedance Z thJC ( C /W )
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
1
D D D D D
= = = = =
0.75 0.50 0.33 0.25 0.20
PD M
0 .1 Notes: Sing le Pu lse (Therm a l Resista nce) 0 .0 1 0 .0 0 00 1
t1 t2
1. D uty factor D = t 1/ t 2 2. Peak TJ = PD M x Z thJ C+ T C 0 .1 1 10 1 00
0 .00 01
0.0 01
0.0 1
t 1 , Recta ngular P ulse D uratio n (Second s)
Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics
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40L15CW
Bulletin PD-20567 rev. C 02/01
10 0 Allow a ble C ase Tem perature - ( C ) 95 90 85 80 75 70 0 5 10 15 20 25 Averag e Forw a rd C urren t - I F (AV ) (A) Sq uare w a ve (D = 0.50) A vera ge Pow er Loss - (W a tts) 14 12 10 8 6 4 2 0 0 5 10 15 20 25 30 A vera ge Forw a rd C urren t - I F(AV) (A) D D D D D = = = = = 0.20 0.25 0.33 0.50 0.75
RM S Lim it DC
Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current
1000 Non-Repetitive Surge C urrent - I FSM (A)
Fig. 6 - Forward Power Loss Characteristics
At An y Rated Load C ond ition An d W ith Rated V RRM Ap plied Follow in g Surg e 100 10
100
1000
10000
Sq uare W ave Pulse D uration - t p (m icrosec)
Fig. 7 - Maximum Non-Repetitive Surge Current
L H IG H -SPE ED SW ITC H FREE-W HE EL D IO D E 40H FL40S02 V d = 25 V olt
D UT
IRFP460 Rg = 25 ohm
+
C UR RE N T M O N ITO R
Fig. 8 - Unclamped Inductive Test Circuit
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40L15CW
Bulletin PD-20567 rev. C 02/01
Outline Table
3. 65 (0 .14 4) 3. 55 (0 .13 9) 5. 30 (0 .20 9) 4.70 ( 0.185) 2.5 ( 0.098)
1.5 ( 0.059)
15 .90 (0 .626 ) 15 .30 (0 .602 )
DIA.
5. 70 (0 .22 5) 5.30 ( 0.208) 20 .30 (0 .800 ) 19 .70 (0 .775 ) 5.50 ( 0.217) 4. 50 (0 .17 7) 1 2 3 (2 PLCS.)
BASE COMMON CATHODE 2
14. 80 ( 0.583)
14 .20 (0 .559 )
4. 30 (0 .17 0) 3. 70 (0 .14 5) 2. 20 (0 .08 7)
1
2
3
ANODE COMMON ANODE CATHODE 1 2
1. 40 (0 .05 6)
2. 40 (0 .09 5) MAX. 0.80 ( 0.032) 0. 40 (0 .21 3)
MAX.
1. 00 (0 .03 9) 10. 94 ( 0.430) 10 .86 (0 .427 )
Conform to JEDEC outline TO-247AC (TO-3P) Dimensions in millimeters and (inches)
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. 02/01
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