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| ACR44U ACR44U Fast Turn-off Asymmetric Thyristor Advance Information Replaces March 1998 version, DS4222-3.4 DS4222-4.0 January 2000 APPLICATIONS s High Frequency Applications s Regulated Power Supplies s Capacitor Discharge s Ultrasonic Generators s Induction Heating *dV/dt Available to 1000V/s KEY PARAMETERS 1600V VDRM IT(AV) 44A ITSM 550A dVdt* 600V/s dI/dt 2000A/s tq 6.0s FEATURES s The ACR44U is a glass passivated asymmetric thyristor which has exceptionally fast turn-off capabilities combined with good turn-on characteristics. VOLTAGE RATINGS Type Number Repetitive Peak Off-state Voltage VDRM V 1600 1400 1200 1000 800 Repetitive Peak Reverse Voltage VRRM V 2 2 2 2 2 Outline type code: SO28. See Package Details for further information. ACR44U 16LE ACR44U 14LE ACR44U 12LE ACR44U 10LE ACR44U 08LE Lower voltage grades available. CURRENT RATINGS Symbol IT(AV) IT(RMS) IT Parameter Mean on-state current RMS value Continuous (direct) on-state current Conditions Half wave resistive load, Tcase = 80oC Tcase = 70oC Tcase = 85oC Max. 44 69 57 Units A A A 1/7 ACR44U SURGE RATINGS Symbol ITSM I2t Parameter Surge (non-repetitive) forward current I2t for fusing 10ms half sine; Tcase = 125oC 1500 A2s Conditions Max. 550 Units A THERMAL AND MECHANICAL DATA Symbol Rth(j-c) Rth(c-h) Tvj Tstg Parameter Thermal resistance - junction to case Thermal resistance - case to heatsink Virtual junction temperature Storage temperature range Mounting torque d.c. Mounting torque 3.5Nm with mounting compound On-state (conducting) Conditions Min. -55 3.5 Max. 0.35 0.25 125 125 4.0 Units o C/W C/W o o C C o Nm DYNAMIC CHARACTERISTICS Tcase = 125C unless otherwise stated. Symbol VTM IRRM/IDRM dV/dt dI/dt VT(TO) rT IL IH td tq Parameter Maximum on-state voltage Peak reverse and off-state current Maximum linear rate of rise of off-state voltage Rate of rise of on-state current Threshold voltage On-state slope resistance Latching current Holding current Delay time Turn-off time (with antiparallel diode) Conditions At 100A peak, Tcase = 25oC At VRRM/VDRM, Tcase = 125oC To VDRM Tj = 125oC, gate open circuit From VDRM to 125A. Gate source 15V, 15 tr = 50ns VD = 300V, gate source = 15V, 15 Typ. 120 25 Max. 2.7 20/10 600* 2000 1.5 13.3 250 6.0 Units V mA V/s A/s V m mA mA ns s IT = 50A, square wave tp = 50s, Tj = 120C, dIR/dt = 50A/s, dV/dt = 600V/s to VDRM, gate voltage at turn-off 3.5-4.5V. VR = -1V. * Available to 1000V/s. 2/7 ACR44U GATE TRIGGER CHARACTERISTICS AND RATINGS Symbol VGT IGT VFGM VRGM IFGM PGM PG(AV) Parameter Gate trigger voltage Gate trigger current Peak forward gate voltage Peak reverse gate voltage Peak forward gate current Peak gate power Average gate power Conditions VDWM = 12V, RL = 30, Tcase = 25oC VDWM = 12V, RL = 30, Tcase = 25oC Average time 10ms max Forward Reverse Typ. 0.9 60 Max. 3.0 200 40 10 10 40 10 6 Units V mA V V A W W W WAVEFORM OF GATE VOLTAGE AT TURN-OFF + IT 0 a) Anode current waveform + Va 0 b) Anode voltage waveform + Vgt 0 c) Gate voltage waveform 3/7 ACR44U CURVES 250 Measured under pulse conditions 200 Instantaneous on-state current IT - (A) Tj = 25C 150 100 Tj = 125C 50 0 1.0 2.0 3.0 4.0 Instantaneous on-state voltage VT - (V) Fig.1 Maximum (limit) on-state characteristics 100 40 W = tp Gate trigger voltage VG - (V) 10 U e pp rl im it 9 9% 1.0 Tj = 25C Tj = -40C Low W 10 10 s im er l = tp it 1 m 10 % s 0.1 0.01 Tj = 125C 0.1 1.0 10 Gate trigger current IG - (A) Fig.2 Gate characteristics 4/7 ACR44U 40 Conditions: Peak on-state current = 8s (Half sine wave) Tcase = 25C, Gate current = 0.5A VT IT 10% IT 30 Initial on-state voltage - (V) 20 0 t Zero time is taken at initial device current = 10% IT Time 10 0 0 500 1000 1500 Time - (ns) 2000 2500 3000 Fig.3 Typical initial on-state voltage vs time 150 Peak current IPK - (A) 100 7mJ 5mJ 4mJ 50 3mJ 2mJ 1mJ 0 0 10 20 30 Pulse width tp - (s) 40 50 60 Fig.4 Maximum energy loss per pulse when switching a half sinusoidal pulse from 600V 5/7 ACR44U 10.0 Reverse gate bias -3.5 to -4V No gate bias 8.0 Turn-off time tq - (s) 6.0 4.0 2.0 0 200 400 600 800 1000 Commutating dV/dt - (V/s) Fig.5 Variation of turn-off time with commutating dV/dt 12.0 Reverse gate bias -3.5 to -4V No gate bias 10.0 Turn-off time tq - (s) 8.0 6.0 4.0 2.0 20 40 60 80 100 120 Case temperature - (C) Fig.6 Variation of turn-off time with case temperature 6/7 ACR44U PACKAGE DETAILS For further package information, please contact your local Customer Service Centre. All dimensions in mm, unless stated otherwise. DO NOT SCALE. Collector Hex. 17.35mm AF max Cathode O4.0 Gate O1.53 min 24 11.5 Thread 1/4 in 28 UNF 2A Nominal weight: 16.5g Package outline type code: SO28 http://www.dynexsemi.com e-mail: power_solutions@dynexsemi.com HEADQUARTERS OPERATIONS DYNEX SEMICONDUCTOR LTD Doddington Road, Lincoln. Lincolnshire. LN6 3LF. United Kingdom. Tel: 00-44-(0)1522-500500 Fax: 00-44-(0)1522-500550 DYNEX POWER INC. Unit 7 - 58 Antares Drive, Nepean, Ontario, Canada K2E 7W6. Tel: 613.723.7035 Fax: 613.723.1518 Toll Free: 1.888.33.DYNEX (39639) CUSTOMER SERVICE CENTRES France, Benelux, Italy and Spain Tel: +33 (0)1 69 18 90 00. Fax: +33 (0)1 64 46 54 50 North America Tel: 011-800-5554-5554. Fax: 011-800-5444-5444 UK, Germany, Scandinavia & Rest Of World Tel: +44 (0)1522 500500. Fax: +44 (0)1522 500020 SALES OFFICES France, Benelux, Italy and Spain Tel: +33 (0)1 69 18 90 00. Fax: +33 (0)1 64 46 54 50 Germany Tel: 07351 827723 North America Tel: (613) 723-7035. Fax: (613) 723-1518. Toll Free: 1.888.33.DYNEX (39639) / Tel: (831) 440-1988. Fax: (831) 440-1989 / Tel: (949) 733-3005. Fax: (949) 733-2986. UK, Germany, Scandinavia & Rest Of World Tel: +44 (0)1522 500500. Fax: +44 (0)1522 500020 These offices are supported by Representatives and Distributors in many countries world-wide. (c) Dynex Semiconductor 2000 Publication No. DS4222-4 Issue No. 4.0 January 2000 TECHNICAL DOCUMENTATION - NOT FOR RESALE. PRINTED IN UNITED KINGDOM Datasheet Annotations: Dynex Semiconductor annotate datasheets in the top right hard corner of the front page, to indicate product status. The annotations are as follows:Target Information: This is the most tentative form of information and represents a very preliminary specification. No actual design work on the product has been started. Preliminary Information: The product is in design and development. The datasheet represents the product as it is understood but details may change. Advance Information: The product design is complete and final characterisation for volume production is well in hand. No Annotation: The product parameters are fixed and the product is available to datasheet specification. This publication is issued to provide information only which (unless agreed by the Company in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. The Company reserves the right to alter without prior notice the specification, design or price of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specific piece of equipment. It is the user's responsibility to fully determine the performance and suitability of any equipment using such information and to ensure that any publication or data used is up to date and has not been superseded. These products are not suitable for use in any medical products whose failure to perform may result in significant injury or death to the user. All products and materials are sold and services provided subject to the Company's conditions of sale, which are available on request. All brand names and product names used in this publication are trademarks, registered trademarks or trade names of their respective owners. 7/7 |
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