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| Standard ICs 6-channel high current driver BA664 The BA664 is an IC with a built-in clamp diode, developed for the purpose of minimizing attachments, and contains a Darlington transistor array of six circuits with input resistance. Input and output are directed in the same direction by DIP Pin 14, with the layout optimized to facilitate mounting. *Applications drivers Hammer solenoid Relay drivers LED drivers Small motor drivers Lamp drivers *Features Darlington transistor array 1) 6-circuit 2) Current of 100mA (Max.) can be driven. 3) Input and output are directed in the same direction, for easy mounting. 4) Can be coupled with MOS ICs. 5) High current transfer ratio. 6) High voltage withstanding values of 38V for input and 27V for output. 7) Clamp diode for inductive load drive built in. *Block diagram IN1 IN2 IN3 IN4 IN5 IN6 GND 1 2 3 4 5 6 7 Sub 14 13 12 11 10 9 8 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 Vcc 1 Standard ICs BA664 *Internal circuit configuration 1 14 2 13 3 12 4 11 5 10 6 9 R1 Q1 Q2 R2 R3 R2 R3 R1 Q3 Q4 R2 R3 R1 Q5 Q6 R2 R3 R1 Q7 Q8 R2 R3 R1 Q9 Q10 R2 R3 R1 Q11 Q12 8 7 R1 = 25k R2 = 25k R3 = 2k Fig.1 *Absolute maximum ratings (Ta = 25C) Parameter Power supply voltage Collector current Input pin withstanding voltage (+) Input pin withstanding voltage (-) Power dissipation Operating temperature Storage temperature Symbol VCC IC V+ V- Pd Topr Tstg Limits 27 100 38 - 0.5 550 - 25 ~ + 75 - 55 ~ + 125 Unit V mA V V mW C C Reduced by 5.5mW for each increase in Ta of 1C over 25C. * Electrical characteristics (unless otherwise noted, Ta = 25C) Parameter Usage voltage range (output) Output leakage current Collector saturation voltage Input current Diode leakage current Diode forward voltage Symbol VCC IL VCE (sat) IIN ID VF Min. -- -- -- -- -- -- Typ. -- -- 1.4 0.6 -- 1.2 Max. 20 100 2.2 1.4 100 -- Unit V A V mA A V Conditions -- VC = 20V, VIN = 0V IOUT = 75mA, VIN = 17V VIN = 35V, IOUT = 0mA VR = 20V IF = 75mA Measurement circuit -- Fig.5 Fig.8 Fig.6 Fig.7 Fig.9 *Electrical characteristic curves MAXIMUM OUTPUT CURRENT : IOUT (mA) 100 80 60 When 6 circuits are activated simultaneously Ta = 75C max. When VIN = 20 V COLLECTOR SATURATION VOLTAGE : VCE (sat) (V) 120 4.0 36 OUTPUT VOLTAGE : VOUT (V) 3.2 Ta = 25C 28 2.4 20 1.6 40 12 20 0.8 4 0 0 50 100 150 200 2 4 6 8 10 OUTPUT CURRENT : IOUT (mA) INPUT VOLTAGE : VIN (V) 20 40 60 80 100 DUTY CYCLE (%) Fig.2 Output current vs. duty cycle Fig.3 Output characteristics Fig.4 I / O characteristics 2 Standard ICs BA664 Vcc *Measurement circuits 8 INPUT INPUT 8 INPUT 8 OUTPUT A IR OUTPUT 20V BA664 OUTPUT BA664 BA664 7 7 7 Fig.5 Fig.6 Fig.7 8 8 INPUT INPUT OUTPUT OUTPUT BA664 IF BA664 7 V VCE (sat) IOUT 7 V VF Fig.8 Fig.9 *Application example 1 6 BA664 VCC Note) Connections should be made as shown in Figure 10 if inductive load is being driven. (Connect Pin 8 to power supply.) Load PMOS GATE Fig.10 *External dimensions (Units: mm) 19.4 0.3 6.5 0.3 7.62 14 8 1 4.25 0.3 0.51Min. 7 3.2 0.2 0.3 0.1 2.54 0.5 0.1 0 ~ 15 DIP14 3 |
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