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TDA3604Q

Features: General` One VP-state controlled regulator (regulator 2)` Regulator 2, reset and ignition buffer operate during load dump and thermal shutdown` Separate control pins for switching regulator 1 and the power switch` Supply voltage range of -18 to +50 V (operating from 9.75 V)` Low reverse ...

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TDA3604Q: Features: General` One VP-state controlled regulator (regulator 2)` Regulator 2, reset and ignition buffer operate during load dump and thermal shutdown` Separate control pins for switching regulato...

TDA3604Q Data Sheet

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Part Number:
TDA3604Q
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

General
` One VP-state controlled regulator (regulator 2)
` Regulator 2, reset and ignition buffer operate during load dump and thermal shutdown
` Separate control pins for switching regulator 1 and the power switch
` Supply voltage range of -18 to +50 V (operating from 9.75 V)
` Low reverse current of regulator 2
` Low quiescent current (when regulator 1, power switch and ignition buffer are switched off)
` Ignition input/output
` Reset output
` Adjustable reset delay time
` High ripple rejection
` Power switch
` Separate supply for the power switch.
Protections
` Reverse polarity safe (down to -18 V without high reverse current)
` Able to withstand voltages up to 18 V at the outputs (supply line may be short-circuited)
` ESD protected on all pins
` Thermal protection
` Load dump protection
` Foldback current limit protection for regulators 1 and 2
` Delayed second current limit protection for the power switch
` The regulator outputs and the power switch are DC short-circuited safe to ground and VP.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VP supply voltage
operating
reverse polarity
jump start
load dump protection		 non-operating
t 10 minutes
t 50 ms; tr 2.5 ms		 -
-
-
-		 25
-18
30
50		 V
V
V
V
Vppi positive pulse voltage at ignition buffer VP = 14.4 V; RI = 1 k - 50 V
Vnpi negative pulse voltage at ignition buffer VP = 14.4 V; RI = 1 k - -100 V
Tstg storage temperature non-operating -55 +150
Tvj operating virtual junction temperature   -40 +150
Ptot total power dissipation   - 15.6 W



Description

The TDA3604Q and TDA3604TH are multiple output voltage regulators with a power switch, intended for use in car radios with or without a microcontroller.

TDA3604Q contains one fixed voltage regulator with a foldback current protection (regulator 1) and one fixed voltage regulator (regulator 2), intended to supply a microcontroller, that also operates during load dump and thermal shutdown.

There is a power switch with protections, operated by an enable input.

The reset and ignition outputs can be used to interface by the microcontroller. The reset signal can be used to call up the microcontroller and the ignition output indicates ignition voltage available.

Both supply pins of TDA3604Q can withstand load dump pulses and negative supply voltages.

Regulator 2 will be switched on at a supply voltage >6.5 V and off at a voltage of regulator 2 <1.9 V.




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