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LB1940T Datasheet(PDF) 2 Page - ON Semiconductor |
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LB1940T Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 8 page LB1940T, LB1940U No.7232-2/8 Allowable Operating Range at Ta = 25 °C Ratings Parameter Symbol Conditions min typ max unit VOPR1 VDD system, VS = 2.0V 1.9 6.5 Function-guaranteed voltage range VOPR2 VS system, VDD = 5.0V 1.6 7.5 V Low level input threshold voltage VIL ENA1, ENA2, IN1, IN2 -0.3 1.0 V High level input threshold voltage VIH ENA1, ENA2, IN1, IN2 2.0 6.0 V VC input voltage VC 0.19 1.0 V Electrical Characteristics at Ta = 25 °C, VS = 3V, VDD = 5V Ratings Parameter Symbol Conditions min typ max unit Standby current dissipation ISTB VS = VDD = 6.5V 0.1 1.0 μA Regulator output circuit VREF output voltage VREF IOL = 0 to 1mA 0.85 0.9 0.95 V SVDD output voltage VSVDD IOL = 10mA 4.70 4.85 V H bridge output circuit VO(sat)1 VDD = 5.0V, VS = 2.0V IO = 200mA (PNP side) 0.20 0.30 V OUT output saturation voltage (at saturation control) VO(sat)2 VDD = 5.0V, VS = 2.0V IO = 200mA (NPN side) 0.10 0.15 V IOUT1 VDD = 6.0V, VC = 0.2V, VS = 3.5V RL = 5Ω (between OUT-OUT), RFB = 2Ω 94 100 106 mA OUT output current (at constant current control) IOUT2 VC = Rb Ra Rb + VREF (Ra = 70k Ω, Rb = 20kΩ) * VDD = 6.0V, VS = 2.0V RL = 5Ω (between OUT-OUT), RFB = 1Ω 180 200 220 mA VS system operating current consumption IS1 VC = Rb Ra Rb + VREF (Ra = 70k Ω, Rb = 20kΩ) * 1.5 3 mA VDD system operating current dissipation IDD1 VC = Rb Ra Rb + VREF (Ra = 70k Ω, Rb = 20kΩ) * ENA1 = 2V 4 7 mA VC input current IVC VDD = 6.0V, VS = 2.0V, VC = 1.9V 0 -1 μA Control input circuit IIH VIH = 5.5V 80 100 Control pin maximum input current IIL VIL = GND -1 0 μA * For Ra and Rb, refer to Application Circuit Diagram. |
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