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Part: TDA3603/N2
Category:
Power Management
-> Regulators
-> Linear Voltage Regulators
-> Fixed
Description: TDA3603; Multiple Voltage Regulator With Switch
Company: Philips Semiconductors
Datasheet: Download TDA3603/N2 datasheet File size : 417 kB
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Datasheet text preview:
INTEGRATED CIRCUITS
DATA SHEET
TDA3603 Multiple voltage regulator with switch
Product specification Supersedes data of 1995 Oct 04 File under Integrated Circuits, IC01 1997 Aug 15
Philips Semiconductors
Product specification
Multiple voltage regulator with switch
FEATURES General · One VP state controlled regulator (regulator 2) · Regulator 2, reset and ignition buffer operate during load dump and thermal shutdown · One control pin 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 input are switched off, standby) · Ignition input/output · Reset output · High ripple rejection · 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 shortened) · 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 PACKAGE TYPE NUMBER NAME TDA3603 TDA3603P SIL9MPF HDIP18 DESCRIPTION plastic single in-line medium power package with fin; 9 leads plastic heat-dissipating dual in-line package; 18 leads GENERAL DESCRIPTION
TDA3603
The TDA3603 is a multiple output voltage regulator 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 the 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. The supply pin 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 SOT110-1 SOT398-1
1997 Aug 15
2
Philips Semiconductors
Product specification
Multiple voltage regulator with switch
QUICK REFERENCE DATA SYMBOL Supply VP supply voltage operating regulator 2 on jump start load dump protection Iq Tvj VREG1 VREG2 VREGd1 Power switch Vswd IM 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 REG1. 3. The drop-out voltage of the power switch is measured between VP and Vsw. drop-out voltage peak current Isw = 0.3 A; note 3 t 10 ms - 1.4 - - total quiescent current operating virtual junction temperature 0.5 mA IREG1 300 mA 0.5 mA IREG2 50 mA; VP = 14.4 V IREG1 = 0.3 A; note 2 note 1 t 10 minutes during 50 ms; tr 2.5 ms standby mode 9.75 2.4 - - - - 14.4 14.4 - - 400 - PARAMETER CONDITIONS MIN. TYP.
TDA3603
MAX.
UNIT
25 25 30 50 500 150
V V V V µA °C
Voltage regulators output voltage regulator 1 output voltage regulator 2 drop-out voltage regulator 1 8.65 4.8 - 9.0 5.0 - 9.35 5.2 0.5 V V V
0.9 -
V A
1997 Aug 15
3
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