STTA106/U ® TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE MAIN PRODUCT CHARACTERISTICS IF(AV) 1A VRRM 600V trr (typ) 20ns VF (max) 1.5V FEATURES AND BENEFITS SPECIFIC TO FREEWHEEL MODE OPERATIONS : FREEWHEEL OR BOOSTER DIODE ULTRA-FAST AND SOFT RECOVERY VERY LOW OVERALL POWER LOSSES IN BOTH THE DIODE AND THE COMPANION TRANSISTOR HIGH FREQUENCY OPERATIONS SMB STTA106U F126 STTA106 DESCRIPTION The TURBOSWITCH is a very high performance series of ultra-fast high voltage power diodes. TURBOSWITCH family drastically cuts losses in both the diode and the associated switching IGBT and MOSFET in all freewheel mode operations and is particulary suitable and efficient in motor control freewheel applications and in booster diode applications in power factor control circuitries. Available either in SMB or F126 axial package, these 600V devices are particularly intended for use on 240V domestic mains. ABSOLUTE RATINGS (limiting values) Symbol Parameter VRRM Repetitive peak reverse voltage IF(RMS) RMS forward current Value Unit 600 V 6 A IFRM Repetitive peak forward current tp = 5 µs F = 5kHz square 10 A IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 25 A 125 °C - 65 to + 150 °C Tj Tstg Maximum operating junction temperature Storage temperature range TM : TURBOSWITCH is a trademark of STMicroelectronics November 1999 - Ed: 5C 1/8 STTA106/U THERMAL AND POWER DATA Symbol Parameter Test conditions Junction to lead Rth(j-I) Conduction power dissipation Pmax Unit 23 °C/W SMB Junction to lead L=5mm P1 Value Total power dissipation Pmax = P1 + P3 (P3 = 10% P1) F126 45 °C/W IF(AV) = 0.8A δ = 0.5 Tlead= 93°C SMB 1.4 W IF(AV) = 0.8A δ = 0.5 Tlead= 60°C F126 1.4 W Tlead= 90°C SMB 1.5 W Tlead= 60°C F126 1.5 W STATIC ELECTRICAL CHARACTERISTICS Symbol VF Parameter Test conditions Forward voltage drop * IR ** Reverse leakage current Vto Threshold voltage Rd Dynamic resistance Test pulse : Typ Max Unit Tj = 25°C Tj = 125°C 1.75 1.5 V 1.1 VR = 0.8 x VRRM Tj = 25°C Tj = 125°C 10 750 µA 250 Ip < 3.IF(AV) Tj = 125°C 1.15 V 350 mΩ Max Unit IF = 1A Min * tp = 380 µs, δ < 2% ** tp = 5 ms, δ < 2% To evaluate the maximum conduction losses use the following equation : P = Vto x IF(AV) + Rd x IF2(RMS) DYNAMIC ELECTRICAL CHARACTERISTICS TURN-OFF SWITCHING Symbol trr IRM S factor Parameter Test conditions Min Reverse recovery time Tj = 25°C IF = 0.5 A IR = 1A Irr = 0.25A IF = 1 A dIF/dt =-50A/µs VR = 30V Maximum recovery current Tj = 125°C VR = 400V dIF/dt = -8 A/µs dIF/dt = -50 A/µs Softness factor Tj = 125°C VR = 400V dIF/dt = -50 A/µs Typ ns 20 50 IF = 1A A 0.6 1.6 IF =1A / 1.1 TURN-ON SWITCHING Symbol 2/8 Parameter tfr Forward recovery time VFp Peak forward voltage Test conditions Tj = 25°C IF = 1 A, dIF/dt = 8 A/µs measured at 1.1 × VF max Min Typ Max Unit 500 ns 10 V STTA106/U Fig. 1: Conduction losses versus average current. Fig. 2: Forward voltage drop versus forward current (maximum values). P1(W) 1.8 δ = 0.2 δ = 0.5 δ = 0.1 1.6 δ = 0.05 1.4 1.2 δ=1 1.0 0.8 0.6 0.4 0.2 IF(av) (A) 0.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 Fig. 3: Peak reverse recovery current versus dIF/dt (90% confidence). IFM(A) 1E+1 Tj=25°C 1E-1 VFM(V) 1E-2 0.0 225 200 175 150 125 100 75 50 25 0 VR=400V Tj=125°C IF=2*IF(av) 5 4 IF=IF(av) 3 2 1 dIF/dt(A/µs) 0 1.0 1.5 2.0 2.5 3.0 trr(ns) 6 0 0.5 Fig. 4: Reverse recovery time versus dIF/dt (90% confidence). IRM(A) 8 7 Tj=125°C 1E+0 50 100 150 200 Fig. 5: Softness factor (tb/ta) versus dIF/dt (typical values). S factor VR=400V Tj=125°C IF=2*IF(av) IF=IF(av) 0 20 40 60 dIF/dt(A/µs) 80 100 120 140 160 180 200 Fig. 6: Relative variation of dynamic parameters versus junction temperature (reference Tj = 125°C). 1.1 1.6 IF=2*IF(av) VR=400V Tj=125°C 1.4 1.0 S factor 1.2 0.9 IRM 1.0 0.8 0.8 0.6 0 10 20 30 dIF/dt(A/µs) 40 50 60 Tj(°C) 70 80 90 100 0.7 25 50 75 100 125 3/8 STTA106/U Fig. 7: Transient peak forward voltage versus dIF/dt (90% confidence). Fig. 8: Forward recovery time versus dIF/dt (90% confidence). VFP(V) tfr(ns) 40 IF=2A Tj=125°C 35 30 25 20 15 10 5 0 dIF/dt(A/µs) 0 20 40 60 80 100 120 140 160 180 200 Fig. 9: Junction capacitance versus reverse voltage applied (typical values). C(pF) 10 F=1MHz 5 2 VR(V) 1 1 4/8 10 100 200 550 500 450 400 350 300 250 200 150 100 50 0 IF=2A VFR=1.1*VF max. Tj=125°C dIF/dt(A/µs) 0 20 40 60 80 100 120 140 160 180 200 STTA106/U APPLICATION DATA The TURBOSWITCHTM is especially designed to provide the lowest overall power losses in any "Freewhell Mode" application (see fig. A) considering both diode and companion transistor, thus optimizing the overall performance in the end application. The way of calculating the power losses is given below : TOTAL LOSSES due to the diode P = P1+ P2+ P3+ P4+ P5 REVERSE LOSSES in the diode CONDUCTION LOSSES in the diode Watts SWITCHING LOSSES in the diode SWITCHING LOSSES in the transistor due to the diode Fig. A : "FREEWHEEL" MODE SWITCHING TRANSISTOR DIODE: TURBOSWITCH IL VR tp T F = 1/T δ = tp/T LOAD 5/8 STTA106/U APPLICATION DATA (Cont’d) Fig. B : STATIC CHARACTERISTICS Conduction losses : I P1 = Vto x IF(AV) + Rd x IF2(RMS) IF Rd VR V IR VF V to Reverse losses : P2 = VR x IR x (1 - δ) Fig. C : TURN-OFF CHARACTERISTICS Turn-on losses : (in the transistor, due to the diode) V IL VR × IRM 2 × (3+2 × S) × F 6 x dIF ⁄ dt VR × IRM × IL × (S + 2) × F + 2 × dIF ⁄ dt TRANSISTOR I P5 = t I dI F /dt DIODE ta tb V t dI R /dt I RM VR trr = ta + tb I dIF /dt = VR /L S = tb / ta P3 = ta tb V VR × IRM 2 × S × F 6 x dIF ⁄ dt t IRM dI R /dt VR trr = ta + tb S = tb/ta 6/8 Turn-off losses (in the diode) : RECTIFIER OPERATION P3 and P5 are suitable for power MOSFET and IGBT STTA106/U APPLICATION DATA (Cont’d) Fig. D : TURN-ON CHARACTERISTICS IF I Fmax dI F /dt Turn-on losses : P4 = 0.4 (VFP - VF) x IFmax x tfr x F 0 t VF V Fp VF 1.1V F 0 t tfr PACKAGE MECHANICAL DATA SMB DIMENSIONS E1 REF. D E Millimeters Inches Min. Max. Min. Max. A1 1.90 2.45 0.075 0.096 A2 0.05 0.20 0.002 0.008 b 1.95 2.20 0.077 0.087 c 0.15 0.41 0.006 0.016 E 5.10 5.60 0.201 0.220 E1 4.05 4.60 0.159 0.181 D 3.30 3.95 0.130 0.156 L 0.75 1.60 0.030 0.063 A1 A2 C L b FOOTPRINT DIMENSIONS (in millimeters) 2.3 1.52 2.75 1.52 7/8 STTA106/U PACKAGE MECHANICAL DATA F126 C DIMENSIONS C A REF. Millimeters Inches Min. Typ. Max. Min. Typ. Max. D D B A 6.05 6.20 6.35 0.238 0.244 0.250 B 2.95 3.00 3.05 0.116 0.118 0.120 C D 26 31 1.024 1.220 0.76 0.81 0.86 0.030 0.032 0.034 MARKING Type Marking Package Weight Base Qty Delivery mode STTA106U T01 SMB 0.11g 2500 tape & reel STTA106 STTA106 F126 0.39g 1000 box STTA106RL STTA106 F126 0.39g 6000 tape & reel Band indicates cathode Epoxy meets UL94,V0 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics © 1999 STMicroelectronics - Printed in Italy - All rights reserved. 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