TDA3681J Original off-the-shelf multi-channel regulator
Use extraordinarySmall output capacitors have 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 and4Reduced power consumption (e.g. through continuous streamingto DC converter)
Three VP -state controlled regulators (regulators 1, 3 and 4) and a power switch
3. Vice President - State Adjustment Control (AdjustmentRhythm 1, 3 and4) and power switch
Regulator 2, reset and ignition buffer operational during load dump and thermal shutdown
Regulator 2, reset and ignitionBuffer exerciseIt is done to throw off the load andThermal shutdown
Combined control pin for switching regulators 1 and 3
Joint control pins 1 and 3 switch steadilyPress
Separate control pins for switching regulator 4 and the power switch
The switching voltage regulator 4 and the power switch are controlled separatelypins
Supply voltage range from -18 to +50 V
The supply voltage range is 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, turn off ignition transmission(Enter)
Hold output (open-collector output stage) for low VP (regulators 1, 3 and 4 and power switch off)
Hold output (open-collector outputLow 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 a holding output 1and 3 and/or 4Regulations
Hold output for foldback mode of power switch and regulators 1, 3 and 4
for powerSwitch and regulator 1 Foldback mode output, 3and 4
Hold output for load dump and temperature protection
Maintain the output for load dumping and temperature preservationprotect
Reset (push-pull output stage) for regulator 2
Reset (push and pullGrade)Regulator 2
Adjustable reset delay time
Adjustable reset delay time
High supply voltage ripple rejection
High voltage ripple suppression
Backup capacitor for regulator 2
Regulator capacitor 2portion
One independent ignition buffer (active HIGH).
An independent ignition buffer (high level haseffective).
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