Features: Short-circuit shutdown with clock generatorFour driver circuits for controlling power transistorsOverload and short-circuit signalingPinoutSpecifications Parameter Symbol Limit Values Unit Remarks min. max. Supply voltage VS 0.3 35 V VS 0.3 45 V 100 ms dura...
FZL4145D: Features: Short-circuit shutdown with clock generatorFour driver circuits for controlling power transistorsOverload and short-circuit signalingPinoutSpecifications Parameter Symbol Limit Valu...
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Parameter | Symbol | Limit Values | Unit | Remarks | |
min. | max. | ||||
Supply voltage | VS | 0.3 | 35 | V | |
VS | 0.3 | 45 | V | 100 ms duration, 1 s interval | |
Input voltage at Dl and ENA | V DI, ENA | 0.3 | 35 | V | 1) |
Voltage at TS and SQ | V TS, SQ | 0.3 | 45 | V | |
Output voltage VQ and voltage at C |
VQ, VC | 0.3 | VS | V | |
Voltage at W | VW | VS 5 | VS | V | 3) |
Input current at DI and ENA | I DI, ENA | 3 | 1 | mA | 2) |
I DI, ENA | 6 | 2 | mA | 2) 100 ms duration, 1 s interval | |
I DI, ENA | 6 | 5 | mA | 2) 100 ms duration, 1 s interval | |
Output current at SQ | ISQ | 8 | mA | ||
Power dissipation of all input diodes |
Ptot | 50 | mW | ||
Storage temperature Thermal resistance |
Tstg | 65 | 125 | °C | |
system - air | R th SA | 65 | K/W | ||
system - case | R th SC | 45 | K/W |
The IC comprises four driver circuits capable of driving power transistors for high output currents. The output transistors of FZL4145D are protected against short-circuit to ground and supply voltage. The input threshold of FZL4145D can be adjusted between 1.5 V and 7 V. Overload or shortcircuit failure at an output will be indicated at pin SQ (signaling output).