LB1268 3-Channel High-Current Low-Saturation Driver n FEATURES l 3-Channel Magnet Driver. l High Current (2.0A Max.) and Low Saturation Voltage (1.5V). l Parallel Operation Capability (Channel 1+2). l On-Chip Spark Killer Diodes. n ABSOLUTE MAXIMUM RATINGS (at Ta=25°C) UNIT Maximum Supply Voltage VCC max 8.0 V Output Supply Voltage VOUT 10.0V Input Supplly Voltage VIN 12.0V IOUT1 TON≤50mS, Duty=20% Output Current Solenoid Drive Channel (ch1,2) IOUT2 TON≤50mS, Duty=5% Motor Drive Channel (ch3) Spark Killer Diode Forward Current IFSM1 T≤5mS, Duty=5%, Solenoid Drive Channel (ch1,2) IFSM2 T≤5mS, Duty=5%, Motor Drive Channel (ch3) 1.0A 2.5A 1.0A 2.5A VCC Instantaneous Flow-out Current ICCP T≤5mS, Duty=5% 3.0A GND Flow-out Current IGND T≤50mS, Duty=20% 3.0A Allowable Power Dissipation PDMAX 785mW Operating Temperature TOPG -20 ~ +75°C Storage Temperature TSTG -65 ~ +150°C n ALLOWABLE OPERATING CONDITIONS (at Ta=25°C) Supply Voltage VCC Input “H” Level Voltage VIH IOUT=300mA 3.0 ~ 11.0V Input “L” Level Voltage VIL IOUT≤100µA -0.3 ~ +0.7V Analog Integrations Corporation www.analog.com.tw DS-1268-00 3.0 ~ 7.0V 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC TEL: 886-3-5772500 FAX: 886-3-5772510 1 LB1268 n ORDERING INFORMATION LB1268 XX ORDER NUMBER PACKAGE TYPE N: PLASTIC DIP PIN CONFIGURATION TOP VIEW LB1268CN (PLASTIC DIP) IN1 1 IN2 2 TEMPERATURE C: 0° C~+70 °C 8 OUT1 7 OUT2 6 OUT3 IN3 3 GND 4 5 VCC n ELECTRICAL CHARACTERISTICS (Ta=25°C) PARAMETER Output Voltage Input Current TEST CONDITIONS SYMBOL MIN. TYP. MAX. UNIT VIN=4.5V, VCC=5.0V, IOUT=500mA (ch1,2) VOH1 0.44 0.65 V VIN=6.0V, VCC=7.0V, IOUT=1000mA (ch1,2) VOH2 0.88 1.4 V VIN=6.0V, VCC=7.0V, IOUT=1600mA (ch1,2 parallel) VOH3 1.4 V VIN=3.0V, VCC=3.0V, IOUT=300mA (ch3) VOH4 0.19 0.25 V VIN=4.5V, VCC=5.0V, IOUT=1000mA (ch3) VOH5 0.5 0.7 V VIN=6.0V, VCC=7.0V, IOUT=2000mA (ch3) VOH6 1.0 1.5 V VIN=6.0V (ch1,2) IIN1 1.0 mA VIN=6.0V (ch3) IIN2 2.0 mA Power Source + Output Leakage Current VIN=0.5V, VOUT=VCC=6.0V IOFF 30 µA Spark Killer Diode Forward Voltage IF=1000mA (ch1,2) VF1 3.0 V IF=2000mA (ch3) VF2 3.0 V Output Sustain Voltage IOUT=400mA VO(SUS) 10 V 2 LB1268 n EQUIVALENT CIRCUIT OUT1 OUT3 OUT2 VCC 240 D1 D2 240 TR1 TR5 TR3 30K 30K TR2 6.8K 15K 6.8K 3.4K TR4 2K D3 120 TR6 1K 2K GND IN1 IN2 IN3 Allowable Power Dissipation vs Temperature 900 800 785 PDMAX (mW) 600 400 200 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 C L 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