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Part: TDA3604TH/N1
Category:
Description: TDA3604Q; TDA3604TH; Multiple Voltage Regulators With External Reset Delay And Switch
Company: Philips Semiconductors
Datasheet: Download TDA3604TH/N1 datasheet File size : 417 kB
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INTEGRATED CIRCUITS
DATA SHEET
TDA3604Q; TDA3604TH Multiple voltage regulators with external reset delay and switch
Product specification Supersedes data of 1997 Aug 15 File under Integrated Circuits, IC01 1997 Aug 21
Philips Semiconductors
Product specification
Multiple voltage regulators with external reset delay and switch
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. ORDERING INFORMATION TYPE NUMBER TDA3604Q TDA3604TH PACKAGE NAME DESCRIPTION GENERAL DESCRIPTION
TDA3604Q; TDA3604TH
The TDA3604Q and TDA3604TH are multiple output voltage regulators with a power switch, intended for use in car radios with or without a microcontroller. It 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 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.
VERSION SOT141-6 SOT418-2
DBS13P plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm) HSOP20 plastic heat-dissipating small outline package; 20 leads; low stand-off
1997 Aug 21
2
Philips Semiconductors
Product specification
Multiple voltage regulators with external reset delay and switch
QUICK REFERENCE DATA SYMBOL Supply VP supply voltage operating regulator 2 on jump start load dump protection Iq Tvj total quiescent current operating virtual junction temperature 0.5 mA IREG1 300 mA note 1 t 10 minutes during 50 ms; tr 2.5 ms standby mode PARAMETER CONDITIONS
TDA3604Q; TDA3604TH
MIN.
TYP.
MAX.
UNIT
9.75 2.4 - - - -
14.4 14.4 - - 400 -
25 25 30 50 500 150
V V V V µA °C
Voltage regulators VREG1 VREG2 VREGd1 Vswd IswM Notes 1. Minimum operating voltage, only if VP has exceeded 6.5 V. 2. The drop-out voltage of regulator 1 is measured between VP and VREG1. 3. The drop-out voltage of the power switch is measured between VI(sw) and VO(sw). output voltage regulator 1 output voltage regulator 2 drop-out voltage regulator 1 8.65 4.8 - - 1.4 9.0 5.0 - - - 9.35 5.2 0.5 V V V 0.5 mA IREG2 50 mA; VP = 14.4 V IREG1 = 0.3 A; note 2 Isw = 0.5 A; note 3 t 10 ms
Power switch drop-out voltage peak current 1.4 - V A
1997 Aug 21
3
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