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L702
2A QUAD DARLINGTON SWITCH
SUSTAINING VOLTAGE: 70 V 2 A OUTPUT HIGH CURRENT GAIN IDEAL FOR DRI VING SOLENOIDS, DC MOTORS, STEPPER MOTORS, RELAYS, DISPLAYS, ETC.
Multiwatt-11
DESCRIPTION The L702 is a monolithic integrated circuit for high current and high voltage switching applications. It comprises four darlington transistors with common emitter and open collector suitable for current sinking applications mounted on the new POWERDIP and Multiwatt(R) packages. This circuit reduces components, sizes and costs; it can provide direct interface between low level logic and a variety of high current applications.
Powerdip 8 + 8
ORDER CODES : L702B - Powerdip L702N - Multiwatt
ABSOLUTE MAXIMUM RATINGS
Symbol VCEX Vi IC Ptot Parameter Collector-emitter Voltage (input open) Input Voltage Collector Current Total Power Dissipation at Tpin 9 to 16 90 C Total Power Dissipation at Tamb 70 C Total Power Dissipationa t Tcase 90 C Tstg Tj Storage Temperature Operating Junction Temperature Value 90 30 3 Unit V V A W W
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Powerdip Multiwatt
4 1.1 20 W -55 to 150 -25 to 150
C C
October 1991
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L702
STEPPING MOTOR BUFFER
CONNECTION DIAGRAMS (top view) Powerdip Multiwatt
SCHEMATIC DIAGRAM (each Darlington)
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L702
THERMAL DATA
Symbol Rth j-amb Rth j-pins 9/16 Rth j-case Parameter Thermal Resistance Junction Ambient Thermal Resistance Junction Pins 9 to 16 Thermal Resistance Junction-case Multiwatt Value Unit C/W C/W C/W
}
Powerdip
Max Max Max
70 14 3
ELECTRICAL CHARACTERISTICS (Tcase = 25C unless otherwise specified)
Symbol ICEX VCE(sust) VCE(sat) hFE Ii Parameter Output Leakage Current Collector Emitter () Sustaining Voltage Collector Emitter Saturation Voltage DC Forward Current Gain Input Current Test conditions VCE = 90 V IC = 100 mA IC = 1.25 A Ii = 2 mA IC = 1 A VCE = 3 V Vi = 3.75 V Vi = 2.4 V Open Collector Off Condition On Condition Ton Toff Turn On Time Turn Off Time VCE = 70 V VCE = 3 V Vs = 12 V RL = 10 IC 0.1 mA IC 1 A 2.4 0.3 1 1.000 70 1.3 4.000 7 3 11 6 0.4 mA mA V V s s 1.9 Min. Typ. 10 Max. 50 Unit A V V
Vi
Input Voltage
Figure 1. Switching Time.
Figure 2. ton and toff Test Circuit.
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L702
Figure 3. Peak Collector Current vs. Duty Cycle and Number of Outputs (L702B only) Fi g ure 4 . C ol l ector Emi tter Saturation Voltage vs. Collector Current.
Figure 5. Collector Current vs. Input Voltage.
Figure 6. Input Current vs. Input Voltage.
Figure 7. Safe Operating Areas (L702B).
Figure 8. Safe Operating Areas (L702N).
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L702
MULTIWATT11 PACKAGE MECHANICAL DATA
DIM. MIN. A B C D E F G G1 H1 H2 L L1 L2 L3 L4 L7 M M1 S S1 Dia1 21.5 21.4 17.4 17.25 10.3 2.65 4.1 4.88 1.9 1.9 3.65 4.3 5.08 17.5 10.7 0.49 0.88 1.57 16.87 19.6 20.2 22.3 22.2 18.1 17.75 10.9 2.9 4.5 5.3 2.6 2.6 3.85 0.846 0.843 0.685 0.679 0.406 0.104 0.161 0.192 0.075 0.075 0.144 0.169 0.200 0.689 0.421 1.7 17 1 0.55 0.95 1.83 17.13 0.019 0.035 0.062 0.664 0.772 0.795 0.878 0.874 0.713 0.699 0.429 0.114 0.177 0.209 0.102 0.102 0.152 0.067 0.669 mm TYP. MAX. 5 2.65 1.6 0.039 0.022 0.037 0.072 0.674 MIN. inch TYP. MAX. 0.197 0.104 0.063
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L702
POWERDIP PACKAGE MECHANICAL DATA
DIM. MIN. a1 B b b1 D E e e3 F I L Z 3.30 1.27 8.80 2.54 17.78 7.10 5.10 0.130 0.050 0.38 0.51 0.85 0.50 0.50 20.0 0.346 0.100 0.700 0.280 0.201 0.015 1.40 mm TYP. MAX. MIN. 0.020 0.033 0.020 0.020 0.787 0.055 inch TYP. MAX.
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L702
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics 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 SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.
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