tda3681a NXP Semiconductors, tda3681a Datasheet
tda3681a
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tda3681a Summary of contents
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... DATA SHEET TDA3681A Multiple voltage regulator with switch and ignition buffer Product specification INTEGRATED CIRCUITS 2003 Aug 29 ...
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... The regulator outputs and the power switch are DC short-circuit safe to ground and supply (V GENERAL DESCRIPTION The TDA3681A is a multiple output voltage regulator with a power switch and an ignition buffer intended for use in car radios with or without a microcontroller. The TDA3681A contains the following: Four fixed voltage regulators with a foldback current protection (regulators and 4) ...
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... REG1 300 mA 14.4 V REG2 1400 mA 14.4 V REG3 14.4 V REG4 Product specification TDA3681A MIN. TYP. MAX. UNIT 9 6.5 14 ...
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... LOAD DUMP PROTECTION BACKUP SWITCH BACKUP CONTROL REGULATOR 2 REGULATOR 4 & REGULATOR 3 & TDA3681A REGULATOR 1 & IGNITION BUFFER 10 GND Fig.1 Block diagram. 4 Product specification TDA3681A ( (14 V/ 100 mA 300 mA) 12 REG2 (3 REG4 (5 V/ 1400 mA) ...
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... Aug 29 handbook, halfpage REG3 19 n.c. 18 REG1 TDA3681ATH n. REG2 12 HEATTAB 11 Fig.2 Pin configuration. 5 Product specification TDA3681A 1 REG4 2 IGN IN 3 IGN OUT 4 RES 5 C RES 6 EN4 7 EN1/3 8 ENSW 9 HOLD 10 GND MGU563 ...
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... Multiple voltage regulator with switch and ignition buffer FUNCTIONAL DESCRIPTION The TDA3681A is a multiple output voltage regulator with a power switch, intended for use in car radios with or without a microcontroller. Because of the low voltage operation of the car radio, low voltage drop regulators are used ...
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... The timing diagrams are illustrated in Figs 4 and 5. The second supply voltage V regulators 3 and 4. This input can be connected to a lower supply voltage of the TDA3681A. A DC-to-DC converter could be used for this purpose. load dump V P and enable Schmitt trigger load dump Power switch behaviour Fig ...
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... C passive HIGH V HOLD LOW Fig.5 Timing diagram of ignition Schmitt triggers and hold circuit. 2003 Aug 29 load dump Back-up Schmitt trigger and reset behaviour load dump Enable Schmitt trigger ignition Hold behaviour 8 Product specification TDA3681A load dump MGU565 ...
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... Aug 29 CONDITIONS MIN. non-operating t 10 minutes t 50 ms non-operating t 10 minutes t 50 ms non-operating 55 operating 40 operating 40 CONDITIONS VALUE in free air 9 Product specification TDA3681A MAX. UNIT +150 C +85 C +150 C UNIT ...
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... P1 V falling 4.0 P1 1.4 0 REG rising mA; 4.43 P1 REG1 note 3 V falling mA; 4.4 P1 REG1 note 3 9.1 9.0 10 Product specification TDA3681A TYP. MAX. UNIT 105 145 A 110 ...
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... REG2 4. 4. 150 mA REG2 150 mA REG2 300 mA REG2 11 Product specification TDA3681A TYP. MAX. UNIT mA 0 400 900 1.6 mA 3.0 3.5 V 1 ...
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... REG4 REG4 kHz (p- note 7 REG4 P2 V > 3.0 V; note 8 1.1 REG4 R 0.5 ; note 9 470 L 12 Product specification TDA3681A TYP. MAX. UNIT 55 dB 0.4 0.6 V 0.8 1.2 V 0.2 0.5 V 0.8 1.0 V 0.37 A 120 mA 1 400 mV 5.0 5.25 V 5.0 5. ...
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... P1 V > 3 IGNIN V > IGNIN IGNOUT 4.5 IGNOUT 0.8 V 0.45 IGNOUT 4.5 V IGNOUT IGNOUT IGNIN V rising from 1.7 to 2.5 V IGNIN V falling from IGNIN 2 Product specification TDA3681A TYP. MAX. 0.45 0.65 1.0 1.8 2.0 15.0 16 1.7 0.35 16 900 2.2 2.5 2.0 2.3 0.2 0.5 1 0.6 0 0.2 0.8 5.0 5.25 0.8 0.45 2.0 1.0 500 500 ...
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... Fig.7). 2003 Aug 29 CONDITIONS has exceeded 6 (see Fig.8). L(REG2) drop for regulators 1 and 2. Regulators 3 and 4 drop as a result P1 t d(RES) t d(SW) and REGn Product specification TDA3681A MIN. TYP. MAX. 150 160 170 150 160 170 C = ----- - 750 10 ...
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... V o(REG4) MGL909 3 m(REG3) I REG3 Fig.6 Foldback current protection of the regulators 3.3 V delayed Fig.7 Current protection of the power switch. 15 Product specification I sc(REG2) I REG2 b. Regulator 2. I sc(REG4) I REG4 d. Regulator 4. MGU566 not delayed 1 TDA3681A MGL908 I m(REG2) MGL910 I m(REG4) ...
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... regulator 2 output regulator 1 output 8 regulator 3 output regulator 4 output 3 reset output C9 ( hold output C12 ( ignition output MGU568 TDA3681A R L(SW L(REG2 L(REG1 L(REG3 L(REG4 ...
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... Fig.10 Curve for selecting the value of the output the capacitor value is decreased to amb = 30 C (see Fig.9). amb = 30 C, the capacitor value is amb = ESR maximum ESR ( ) stable region minimum ESR capacitor for regulator 2. Product specification TDA3681A MGL913 100 ...
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... scale (2) ( 0.32 16.0 13.0 1.1 11.1 6.2 2.9 0.23 15.8 12.6 0.9 10.9 5.8 2.5 REFERENCES JEDEC JEITA 18 Product specification detail 14.5 1.1 1.7 1.27 0.25 0.25 0.03 13.9 0.8 1.5 EUROPEAN PROJECTION TDA3681A SOT418 2.5 0.07 0 2.0 ISSUE DATE 02-02-12 03-07-23 ...
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... Use a low voltage ( less) soldering iron applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 19 Product specification TDA3681A ...
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... Hot bar or manual soldering is suitable for PMFP packages. 2003 Aug 29 (1) (3) , TFBGA, VFBGA not suitable not suitable suitable not recommended not recommended not suitable 20 Product specification TDA3681A SOLDERING METHOD (2) WAVE REFLOW suitable (4) suitable suitable (5)(6) suitable (7) suitable not suitable ...
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... Product specification TDA3681A DEFINITION These products are not Philips Semiconductors ...
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Philips Semiconductors – a worldwide company Contact information For additional information please visit http://www.semiconductors.philips.com. For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. © Koninklijke Philips Electronics N.V. 2003 All rights are reserved. Reproduction in whole or in part is prohibited ...