TCA345A

The TCA345A featuring linear, supply voltage-dependent threshold value. The features of TCA345A are: (1)TTL-compatible; (2)high output current; (3)very high input impedance; (4)good stability due to hysteresis; (5)few external components.

The following is about the absolute maximum ratings of TCA345A: (1)supply voltage: 10V; (2)output current: 70mA; (3)input voltage: 0 to Vs; (4)junction temperature: 150; (5)storage temperature range: -55 to 125; (6)thermal resistance system-air: 140K/W; (7)inductance at the output: 500mH.

The electrical characteristics of the TCA345A are: (1)current consumption at output current: TQ=0mA; Vs=2V 0.55mA typ, 0.80mA max, TQ=0mA; Vs=5V 1.35mA typ, 2.00mA max, TQ=40mA; Vs=2V 1.85mA typ, 3.00mA max, TQ=40mA; Vs=5V 7.00mA typ, 9.00mA max; (2)L output voltage at IQ=40mA Vs=2V: 150mV typ and 300mV max; (3)output reverse current VQ=10V: 30A max; (4)switching threshold Vs=2 to 10V1): 0.63xVs min, 0.66xVs typ and 0.69xVs max.