LQA08TC600 Qspeed™ Family
600 V, 8 A Q-Series PFC Diode
Product Summary
IF(AVG) VRRM QRR (Typ at 125 °C) IRRM (Typ at 125 °C) Softness tb/ta (Typ at 125 °C) 8 600 36 2 1.3 A V nC A
General Description
This device has the lowest QRR of any 600 V Silicon diode. Its recovery characteristics increase efficiency, reduce EMI and eliminate snubbers.
Applications Pin Assignment
NC NC NC A
• Power Factor Correction (PFC) Boost Diode • Motor drive circuits • DC-AC Inverters
Features
• Low QRR, Low IRRM, Low tRR • High dIF/dt capable (1000A/µs) • Soft recovery
C
Benefits
A C
TO-220AC RoHS Compliant
Package uses Lead-free plating and Green mold compound. Halogen free per IEC 61249-2-21.
• Increases efficiency • Eliminates need for snubber circuits • Reduces EMI filter component size & count • Enables extremely fast switching •
Absolute Maximum Ratings
Absolute maximum ratings are the values beyond which the device may be damaged or have its useful life impaired. Functional operation under these conditions is not implied.
Symbol
VRRM IF(AVG) IFSM IFSM TJ(MAX) TSTG VISOL PD
Parameter
Peak repetitive reverse voltage Average forward current Non-repetitive peak surge current Non-repetitive peak surge current Maximum junction temperature Storage temperature Lead soldering temperature Isolation voltage (leads-to-tab) Power dissipation
Conditions
TJ = 150 °C, TC = 100 °C 60 Hz, ½ cycle ½ cycle of t=28 µs Sinusoid, TC=25 °C
Rating
600 8 80 350 150 –55 to 150 300 2500 50
Units
V A A A °C °C °C V W
Leads at 1.6 mm from case, 10 sec DC, + to tab TC = 25 °C
Thermal Resistance
Symbol
RθJA RθJC
Resistance from:
Junction to ambient Junction to case
Conditions
TO-220 TO-220
Rating
62 2.5
Units
°C/W °C/W
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LQA08TC600
Electrical Specifications at TJ= 25 °C (unless otherwise specified)
Symbol
IR VF CJ tRR QRR IRRM S
Parameter
Reverse current Forward voltage Junction capacitance Reverse recovery time Reverse recovery charge Maximum reverse recovery current
Conditions
VR = 600V, TJ = 25 °C VR = 600V, TJ = 125 °C IF = 8A, TJ = 25 °C IF = 8A, TJ = 150 °C VR = 10V, 1 MHz dI/dt =200A/µs VR=400V, IF=8A dI/dt =200A/µs VR=400V, IF=8A dI/dt =200A/µs VR=400V, IF=8A TJ=25 °C TJ=125 °C TJ=25 °C TJ =125 °C TJ =25 °C TJ=125 °C TJ =25 °C TJ=125 °C
Min
-
Typ
0.6 2.85 2.3 33 11 27 7 36 1 2 1.6 1.3
Max
25 3.05 15 11 1.5 -
Units
µA mA V V pF ns ns nC nC A A
DC Characteristics
Dynamic Characteristics
t Softness factor = b
ta
dI/dt =200A/µs VR=400V, IF=8A
Note to component engineers: Q-Series rectifiers employ Schottky technologies in their design and construction. Therefore, Component Engineers should plan their test setups to be similar to those for traditional Schottky test setups. (For additional details, see Application Note AN-300.)
VR
L1
D1 DUT
IF dIF/dt
0
tRR ta tb 0.1xIRRM IRRM
15V
Pulse generator
+
Rg Q1
Figure 1. Reverse Recovery Definitions
Figure 2. Reverse Recovery Test Circuit
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LQA08TC600
Electrical Specifications at TJ= 25 °C (unless otherwise specified)
20 18 16 14 I F ( A) 12 10 8 6 4 2 0 0.0 0.5 1.0 1.5 2.0 VF (V) 2.5 3.0 3.5 4.0 Tj=25C Tj=125C C j ( pF )
120 100 80 60 40 20 0 0 20 40 60 80 100 120 140 160 180 VR (V)
Figure 3. Typical IF vs VF
80 70 60 Q R R ( n C)
t R R ( n s)
Figure 4. Typical Cj vs VR
dI/dt=1000A/us
35 30 dI/dt=500A/us
dI/dt=200A/us
50 40 30 20 10 0 0 2 4 6 IF (A) 8 10
dI/dt=500A/us
25 20 15 10 dI/dt=1000A/us 5 0
dI/dt=200A/us
12
14
0
2
4
6 IF (A)
8
10
12
14
Figure 5. Typical QRR vs IF at Tj = 125 °C
20 18 16 14 IF(AV) (A) IF(AV) (A) 12 10 8 6 4 2 0 25 50 75 100
o
Figure 6. Typical tRR vs IF at Tj = 125 °C
20 18 16 14 12 10 8 6 4 2 0
125
150
25
50
75
100
o
125
150
Case Temperature, TC ( C)
Case Temperature, TC ( C)
Figure 7. DC Current Derating Curve
Figure 8. Power Derating Curve
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LQA08TC600
80 70 60 50
IF(PEAK) (A)
Duty=10% Duty=30% Duty=50% DC
40 30 20 10 0 25 50 75 100 TC(°C) 125 150
Figure 9. IF(PEAK) vs TC, f=70 kHz
LQA08TC600
1
D= 0.5 D = 0.3
0.1
D= 0.1
D= 0.05
D= 0.02
Zth(j-c)/Rth(j-c)
D= 0.01
0.01
D= 0.005
D= 0.002
Single Pulse
0.001
0.0001 1.E-06
1.E-05
1.E-04
1.E-03 t1(sec)
1.E-02
1.E-01
1.E+00
Figure 10. Normalized Maximum Transient Thermal Impedance
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Rev 1.6 01/11
LQA08TC600
Dimensional Outline Drawings
Millimeters Dim A A1 A2 C D D1 E E1 F F1 H H1 H2 H3 H4 H5 L L1 L2 MIN MAX
4.32 1.14 2.59 0.37 10.13 7.57 2.49 5.03 0.787 1.23 14.71 6.20 8.51 3.71 2.54 12.34 13.72 1.27
4.57 1.40 2.74 0.44 10.24 7.68 2.59 5.13 1.00 1.36 15.31 6.55 8.76 3.96 2.79 12.45 14.22 6.35 1.78
TO-220AC package conforms to JEDEC outline TO-220AC
Mechanical Mounting Method
Screw through hole in package tab Clamp against package body
Maximum Torque / Pressure specification
1 Newton Meter (nm) or 8.8 inch-pounds (lb-in) 12.3 kilogram-force per square centimeter (kgf/cm2) or 175 lbf/in2
Soldering time and temperature: This product has been designed for use with high-temperature, leadfree solder. The component leads can be subjected to a maximum temperature of 300 °C, for up to 10 seconds. See Application Note AN-303, for more details.
Ordering Information
Part Number
LQA08TC600
Package
TO-220AC
Packing
50 units/tube
The information contained in this document is subject to change without notice.
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Rev 1.6 01/11
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LQA08TC600
Revision 1.5 1.6
Notes Released by Qspeed Converted to Power Integrations Document
Date 05/09 01/11
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LQA08TC600
For the latest updates, visit our website: www.powerint.com
Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations does not assume any liability arising from the use of any device or circuit described herein. POWER INTEGRATIONS MAKES NO WARRANTY HEREIN AND SPECIFICALLY DISCLAIMS ALL WARRANTIES INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT OF THIRD PARTY RIGHTS. PATENT INFORMATION The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of Power Integrations’ patents may be found at www.powerint.com. Power Integrations grants its customers a license under certain patent rights as set forth at http://www.powerint.com/ip.htm. The PI Logo, TOPSwitch, TinySwitch, LinkSwitch, DPA-Switch, PeakSwitch, CAPZero, SENZero, LinkZero, HiperPFS, HiperTFS, Qspeed, EcoSmart, Clampless, E-Shield, Filterfuse, StackFET, PI Expert and PI FACTS are trademarks of Power Integrations, Inc. Other trademarks are property of their respective companies. ©Copyright 2011 Power Integrations, Inc.
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