TDA3681J original off-the-shelf multichannel regulator
With verySmall output capacitors, very low noise performance and good performancestability
Second supply pin for regulators 3 and 4 to reduce power dissipation (e.g. via a DC-to-DC converter)
Regulator 3 second power pin and4Reduce power consumption (e.g. by streaming all the time.)to DC converter)
Three VP -state controlled regulators (regulators 1, 3 and 4) and a power switch
Three vice presidents - state regulation control (tuningThrottle 1, 3 and4) and power switch
Regulator 2, reset and ignition buffer operational during load dump and thermal shutdown
Regulator 2, reset and ignitionBuffer manipulationWorked in the load dumping andThermal shutdown
Combined control pin for switching regulators 1 and 3
Combined control pins 1 and 3 switch stabilizationPress
Separate control pins for switching regulator 4 and the power switch
The switching regulator 4 and the power switch are controlled separatelyPins
Supply voltage range from -18 to +50 V
Supply voltages range from 18 to 50 V
Low quiescent current in standby mode (when regulators 1, 3 and 4 and power switch are switched off and ignition input is low)
Low quiescent current in standby mode (when regulator 1, 3 and 4, power switch, off ignition transmissionIn low)
Hold output (open-collector output stage) for low VP (regulators 1, 3 and 4 and power switch off)
Hold output (open-collector outputGrade low VP (regulator) 1, 3 and 4 and power supplySwitch)
Hold output when one of regulators 1 and 3 and/or 4 is out of regulation
When one holds output 1and 3 and/or 4regulations
Hold output for foldback mode of power switch and regulators 1, 3 and 4
for powerSwitches and regulators 1 foldback mode output, 3and 4
Hold output for load dump and temperature protection
Maintain output for load shedding and temperature protectionprotect
Reset (push-pull output stage) for regulator 2
Reset (push-pull loses.)Out of Grade)Regulator 2
Adjustable reset delay time
Adjustable reset delay time
High supply voltage ripple rejection
High voltage ripple rejection
Backup capacitor for regulator 2
regulatorcapacitor2 of the reserveportion
One independent ignition buffer (active HIGH).
A separate ignition buffer (high level hasEffective).
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