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| LB1268 3-Channel High-Current Low-Saturation Driver n FEATURES l l l l 3-Channel Magnet Driver. High Current (2.0A Max.) and Low Saturation Voltage (1.5V). Parallel Operation Capability (Channel 1+2). On-Chip Spark Killer Diodes. n ABSOLUTE MAXIMUM RATINGS (at Ta=25C) UNIT Maximum Supply Voltage Output Supply Voltage Input Supplly Voltage Output Current VCC max VOUT VIN IOUT1 TON50mS, Duty=20% Solenoid Drive Channel (ch1,2) IOUT2 TON50mS, Duty=5% Motor Drive Channel (ch3) Spark Killer Diode Forward Current IFSM1 T5mS, Duty=5%, Solenoid Drive Channel (ch1,2) IFSM2 T5mS, Duty=5%, Motor Drive Channel (ch3) VCC Instantaneous Flow-out Current GND Flow-out Current Allowable Power Dissipation Operating Temperature Storage Temperature ICCP T5mS, Duty=5% IGND T50mS, Duty=20% PDMAX TOPG TSTG 8.0 V 10.0V 12.0V 1.0A 2.5A 1.0A 2.5A 3.0A 3.0A 785mW -20 ~ +75C -65 ~ +150C n ALLOWABLE OPERATING CONDITIONS (at Ta=25C) Supply Voltage Input "H" Level Voltage Input "L" Level Voltage VCC VIH VIL IOUT=300mA IOUT100A 3.0 ~ 7.0V 3.0 ~ 11.0V -0.3 ~ +0.7V Analog Integrations Corporation www.analog.com.tw DS-1268-00 TEL: 886-3-5772500 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC FAX: 886-3-5772510 1 LB1268 n ORDERING INFORMATION LB1268 XX PACKAGE TYPE N: PLASTIC DIP TEMPERATURE C: 0 C~+70 C ORDER NUMBER LB1268CN (PLASTIC DIP) PIN CONFIGURATION TOP VIEW IN1 1 IN2 2 IN3 3 GND 4 8 OUT1 7 OUT2 6 OUT3 5 VCC n ELECTRICAL CHARACTERISTICS (Ta=25C) PARAMETER Output Voltage TEST CONDITIONS VIN=4.5V, VCC=5.0V, IOUT=500mA (ch1,2) VIN=6.0V, VCC=7.0V, IOUT=1000mA (ch1,2) VIN=6.0V, VCC=7.0V, IOUT=1600mA (ch1,2 parallel) VIN=3.0V, VCC=3.0V, IOUT=300mA (ch3) VIN=4.5V, VCC=5.0V, IOUT=1000mA (ch3) VIN=6.0V, VCC=7.0V, IOUT=2000mA (ch3) SYMBOL VOH1 MIN. TYP. 0.44 MAX. UNIT 0.65 V VOH2 0.88 1.4 V VOH3 1.4 V VOH4 0.19 0.25 V VOH5 0.5 0.7 V VOH6 IIN1 IIN2 IOFF 1.0 1.5 1.0 2.0 30 V mA mA A V V V Input Current VIN=6.0V (ch1,2) VIN=6.0V (ch3) Power Source + Output Leakage Current Spark Killer Diode Forward Voltage VIN=0.5V, VOUT=VCC=6.0V IF=1000mA (ch1,2) IF=2000mA (ch3) VF1 VF2 VO(SUS) 10 3.0 3.0 Output Sustain Voltage IOUT=400mA 2 LB1268 n EQUIVALENT CIRCUIT OUT1 OUT2 OUT3 240 VCC D1 240 D2 120 D3 TR1 30K 6.8K 2K TR2 6.8K 30K TR3 15K TR4 2K 3.4K TR5 TR6 1K GND IN1 IN2 IN3 Allowable Power Dissipation vs Temperature 900 800 785 600 PDMAX (mW) 400 200 0 -20 0 20 40 60 75 80 Ambient Temperature (C) n PHYSICAL DIMENSIONS l 8 LEAD PLASTIC DIP (unit: mm) D E1 E A2 A1 L C eB b e SYMBOL A1 A2 b C D E E1 e eB L MIN MAX 0.381 -- 2.92 4.96 0.35 0.56 0.20 0.36 9.01 10.16 7.62 8.26 6.09 7.12 2.54 (TYP) -- 10.92 2.92 3.81 3 |
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