TDA3602 NXP Semiconductors, TDA3602 Datasheet

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TDA3602

Manufacturer Part Number
TDA3602
Description
Manufacturer
NXP Semiconductors
Datasheet

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Product specification
File under Integrated Circuits, IC01
DATA SHEET
TDA3602
Multiple output voltage regulator
INTEGRATED CIRCUITS
July 1994

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TDA3602 Summary of contents

Page 1

... DATA SHEET TDA3602 Multiple output voltage regulator Product specification File under Integrated Circuits, IC01 INTEGRATED CIRCUITS July 1994 ...

Page 2

... Capable of handling high energy on the regulator outputs. July 1994 GENERAL DESCRIPTION The TDA3602 is a multiple output voltage regulator, intended for use in car radios with or without a microprocessor. It contains two fixed voltage regulators with foldback current protection (Regulators 1 and 2), and one fixed voltage regulator that also operates during load dump and thermal shutdown ...

Page 3

... R1 0 140 series resistor and I REG3 PINS PIN POSITION 9 SIL 3 Product specification MIN. TYP. 9.2 14.4 6.0 14.4 6.5 290 8.2 8.5 4.8 5.0 4.8 5 < 10 mA. PACKAGE MATERIAL plastic TDA3602 MAX. UNIT 150 C 8.8 V 5.2 V 5.2 V CODE SOT110 ...

Page 4

... Philips Semiconductors Multiple output voltage regulator handbook, full pagewidth July 1994 4 Product specification TDA3602 ...

Page 5

... V. In both sc continues rising and the voltage reaches 3.6 V, the sc is greater than 3 this mode, sc already higher than 3 lowered gradually from 3.6 V (or higher must be lower than 1 bring the device into the on Product specification TDA3602 reaches 2 ...

Page 6

... I < 10 mA. REG3 PARAMETER CONDITIONS note min t 50 ms > 4V; note Product specification TDA3602 rises when the supply voltage sc MIN. MAX 150 40 150 6 15 THERMAL RESISTANCE 50 K/W 12 K/W MIN. TYP. MAX. ...

Page 7

... V hysteresis on/reset hy3 I input current scl July 1994 CONDITIONS 1 2) AND ( ) FOR HOLD ( ) FOR HOLD 3) bu REG3 note Product specification TDA3602 MIN. TYP. MAX. UNIT 7.3 7.6 8.0 V 6.8 7.1 7 0.3 ...

Page 8

... L V >2 0 140 mA REG2 0 140 mA REG2 f = 200 Hz (p- 140 mA REG2 V > 4.5 V; note 4 REG2 R 0.5 ; note Product specification TDA3602 MIN. TYP. MAX. UNIT 0 0.2 0.8 V 2.0 5.0 5.25 V 0.3 0.8 mA 0.3 2 0.2 0.8 V 2.0 5.0 5.25 V 0.3 1.0 mA 1.5 9.0 ...

Page 9

... P bu REG3 0 REG3 f = 200 Hz (p- mA; note 5 REG3 V > 4.5 V; note 6 REG3 has exceeded and Product specification TDA3602 MIN. TYP. MAX. 4.8 5.0 5.2 4.8 5.0 5.2 4.8 5.0 5.2 4.5 5.0 5 0.4 140 500 0.45 140 (pins 8 and 7). REG3 UNIT ...

Page 10

... V sc > 2 REG3 < < 7 REG3 < Fig.3 State diagram. 10 Product specification TDA3602 REMARKS stabilizer consumes low quiescent current; state control circuit is switched off to lower the quiescent current state control circuit on CPU in sleep mode CPU called up normal operation V rises from higher P1 (fi ...

Page 11

... REGULATOR 3 state control reset REGULATORS 1 and 2 hold Table 2 Logic table HOLD function. V SCHMITT TRIGGER Note off on don't care. July 1994 Fig.4 Timing diagram. INPUTS FOR HOLD (note 1) ON STATE Product specification MCD348 REG1 REG2 TDA3602 OUTPUT HOLD ...

Page 12

... TEST INFORMATION The outputs of the regulators are measured by means of a selector switch (one by one). In addition, switch SW2 is only closed when V switch of the TDA3602 is opened. V withstand load dump pulse when switch SW2 is kept open or when switch SW2 is replaced by a 100 resistor. MCD354 - 1 ...

Page 13

... and hold remains LOW, then the microprocessor is in the power-on mode. In this event, the microprocessor must go to the switch-off routine (making on and reset mode both equal to 1). Schmitt trigger is true Product specification TDA3602 2 and the regulators are available, so that P C7 constant), and ...

Page 14

... Fig.7 Low end application circuit 220 3.3 F TDA3602 R1 state control 4 C6 100 ground Fig.8 Application circuit 2. 14 Regulator Regulator TDA3602 Regulator hold 5 6 ground MCD349 - 1 Regulator Regulator Regulator hold 5 reset 3 MCD350 - 1 Product specification TDA3602 8 continuous mute 8 continuous mute ...

Page 15

... RESET- MODE = 1 SET OFF July 1994 SET OFF RESET- MODE = 0 READ KEY no KEY = SET Fig.9 Flow chart for high end application. 15 Reset - pulse by pressing any key yes RESET- MODE = 1 SET ON READ KEY yes no KEY = SET OFF MCD353 - 1 Product specification TDA3602 ...

Page 16

... Philips Semiconductors Multiple output voltage regulator handbook, full pagewidth July 1994 16 Product specification TDA3602 ...

Page 17

... To ensure correct initialization, a reset has to be generated. This is accomplished by the power-on state of the TDA3602. In this state the reset output is HIGH and Regulators 1 and 2 are disabled (despite the voltage on the state control pin V being below 1.1 V). Only ...

Page 18

... Philips Semiconductors Multiple output voltage regulator handbook, full pagewidth July 1994 18 Product specification TDA3602 ...

Page 19

... July 1994 Bulb circuitry The lights are switched on provided the RESET output of the TDA3602 is HIGH. This normally occurs when the set is switched on. Only at first connection (power-off) will the RESET output be HIGH when the set is off. In this event the lights are also switched on. This is not a problem ...

Page 20

... July 1994 Flowchart semi on/off logic with security code This section describes the software for controlling the TDA3602 (semi on/off logic). A “o” in the flowchart flow diagram Fig.13, indicates that the port mentioned is switched as an output. A “1” indicates that the port mentioned is switched as an input (temporarily) ...

Page 21

... SET ON S yes PRESSED ? SET FLAG = 1 RTI (1) set pulled out of RETRACK P0 (o) SEC FLAG = 1 P0 (o) P POWER DOWN hold LOW because of: STOP Fig.13 Interfacing flow chart TDA3602. 21 Product specification Po SEC FLAG = 0 SET FLAG = 0 P0 (o) P: POWER DOWN STOP INTERUPT no HOLD = HOLD ? = P1 ...

Page 22

... Philips Semiconductors Multiple output voltage regulator handbook, full pagewidth July 1994 22 Product specification TDA3602 ...

Page 23

... Because Port P1 part of the key matrix the complete key-scan loop must be finished within less than 0 2.4 ms, otherwise the TDA3602 will enter the reset state and Regulators 1 and 2 are switched off during this key-scan loop. When the time of the complete loop is within 2 ...

Page 24

... Philips Semiconductors Multiple output voltage regulator ignition switch = open (set was on with ignition off) handbook, full pagewidth 2 P1. 1 P0. 1 P0. 2 REGULATORS 1 and 2 key scan cycle July 1994 pushed to switch-off Fig.16 Timing key matrix. 24 Product specification TDA3602 open S1 pushed to switch-on MSA726 ...

Page 25

... REFERENCES JEDEC EIAJ 25 Product specification 3.9 2.75 3.4 1.75 15.1 4.4 3.4 2.50 3.2 1.55 14.9 4.2 EUROPEAN PROJECTION TDA3602 SOT110 ( max. 5.9 0.25 1.0 5.7 ISSUE DATE 92-11-17 95-02-25 ...

Page 26

... If the temperature of the soldering iron bit is less than 300 C it may remain in contact for seconds. If the bit temperature is between 300 and 400 C, contact may seconds. 26 Product specification TDA3602 ). If the stg max ...

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