tda3681 NXP Semiconductors, tda3681 Datasheet
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tda3681
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tda3681 Summary of contents
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... DATA SHEET TDA3681 Multiple voltage regulator with switch and ignition buffer Product specification Supersedes data of 2002 Apr 10 INTEGRATED CIRCUITS 2004 Mar 31 ...
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... The regulator outputs and the power switch are DC short-circuit safe to ground and supply (V GENERAL DESCRIPTION The TDA3681 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 TDA3681 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 TDA3681 MIN. TYP. MAX. UNIT 9 6.5 14 ...
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... POWER SWITCH & BACKUP SWITCH BACKUP CONTROL REGULATOR 2 REGULATOR 4 & REGULATOR 3 & TDA3681JR REGULATOR 1 & OR & IGNITION BUFFER 13 GND Fig.1 Block diagram of TDA3681J and TDA3681JR TEMPERATURE LOAD DUMP PROTECTION (14 V/ 100 mA 300 mA ...
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... TEMPERATURE & LOAD DUMP PROTECTION BACKUP SWITCH BACKUP CONTROL REGULATOR 2 REGULATOR 4 & REGULATOR 3 & TDA3681TH REGULATOR 1 & OR & IGNITION BUFFER 10 GND Fig.2 Block diagram of TDA3681TH. 5 Product specification TDA3681 ( (14 V/ 100 mA 300 mA) 12 REG2 (3 ...
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... Philips Semiconductors Multiple voltage regulator with switch and ignition buffer PINNING Pin description of TDA3681J and TDA3681JR SYMBOL PIN DESCRIPTION REG1 1 regulator 1 output REG3 2 regulator 3 output V 3 second supply voltage P2 REG4 4 regulator 4 output IGN 5 ignition input IN IGN 6 ignition output (active HIGH) OUT ...
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... Mar 31 handbook, halfpage REG3 19 n.c. 18 REG1 TDA3681TH n. REG2 12 HEATTAB 11 Fig.4 Pin configuration for TDA3681TH. 7 Product specification TDA3681 1 REG4 2 IGN IN 3 IGN OUT 4 RES 5 C RES 6 EN4 7 EN1/3 8 ENSW 9 HOLD 10 GND ...
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... Multiple voltage regulator with switch and ignition buffer FUNCTIONAL DESCRIPTION The TDA3681 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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... REGULATOR 1 output stage output of regulation detector OR REGULATOR 3 output stage output of regulation detector TEMPERATURE PROTECTION REGULATOR 4 Fig.5 Block diagram of the hold circuit. 9 Product specification TDA3681 & OR buffer POWER SWITCH LOAD DUMP FOLDBACK MODE MGL904 TDA3681 REG1 REG3 REG4 HOLD ...
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... C HIGH HOLD LOW Fig.6 Timing diagram of ignition Schmitt triggers and hold circuit. 2004 Mar 31 load dump Back-up Schmitt trigger and reset behaviour load dump Enable Schmitt trigger ignition Hold behaviour 10 Product specification TDA3681 mgl905 ...
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... V 3.3 V regulator 16 7.0 V 4.0 V enable 1.8 V power 1.3 V switch 16 V power switch output 0 V 2004 Mar 31 load dump V P and enable Schmitt trigger load dump Power switch behaviour Fig.7 Timing diagram of regulators and power switch. 11 Product specification TDA3681 MGL906 ...
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... Mar 31 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 12 Product specification TDA3681 MAX. UNIT +150 C +85 C +150 C UNIT 1 ...
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... REG rising mA; 4.43 P1 REG2 note 3 V falling mA; 4.4 P1 REG2 note 3 V rising; note falling; note 3 7. Product specification TDA3681 MIN. TYP. MAX 105 145 110 150 7.0 7.5 4.5 5.0 2.5 1.8 2.4 1.3 1 ...
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... 2.5 1 nF; note 5 20 RES nF; note 6 8 RES 600 mA 8.0 REG1 9 8 600 mA REG1 14 Product specification TDA3681 MIN. TYP. MAX. V 0.15 V 0.075 V REG3 REG3 V 0.35 REG3 0.2 V 0.15 V 0.075 V REG4 REG4 V 0.3 REG4 0.15 9.7 10.3 9.4 9.8 0.3 0.1 5 400 900 7 50 ...
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... V V and/ 1400 mA REG3 I = 1400 mA REG3 kHz (p- 1400 REG3 P2 note 7 V > 4.5 V; note 8 1.5 REG3 R 0.5 ; note 9 430 L 15 Product specification TDA3681 MIN. TYP. MAX 0.4 0.7 1.2 800 5.0 5.25 5.0 5.25 5.0 5. 100 55 0.4 0.6 0.8 1.2 0.2 0.5 0.8 1.0 0.37 120 ...
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... P1 SW note 13 V & 100 mA P1 REG2 12 > 3 > 3 > 3 IGNIN IGNIN V V 100 V IGNIN 16 Product specification TDA3681 MIN. TYP. MAX. 1 400 3.3 3.46 3.3 3. 1.7 2.4 1.5 750 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 ...
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... V IGNIN V falling from 2.5 to 1.7 V IGNIN has exceeded 6 see Figs 10 and 11. 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 TDA3681 MIN. TYP. MAX. 0 0.2 0.8 4.5 5.0 5.25 0.45 0.8 0.45 2.0 500 500 150 160 170 150 ...
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... I m(REG3) I REG3 Fig.8 Foldback current protection of the regulators 3.3 V delayed generates hold Fig.9 Current protection of the power switch. 18 Product specification 5 sc(REG2) b. Regulator 2. 3 sc(REG4) d. Regulator 4. MGR931 not delayed 1 TDA3681 MGL908 I m(REG2) I REG2 MGL910 I m(REG4) I REG4 ...
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... C10 100 F ignition input ignition output 5 6 C11 ground and V is required for stability Fig.10 Test circuit of TDA3681J and TDA3681JR. 19 Product specification TDA3681 C15 C2 100 C16 C3 100 8.5 V C17 C4 100 ...
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... C10 100 F ignition input ignition output 2 3 C11 heat tab ground and V is required for stability Fig.11 Test circuit of TDA3681TH. 20 Product specification TDA3681 C15 C2 100 C16 C3 100 8.5 V C17 C4 100 ...
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... Fig.13 Curve for selecting the value of the output the capacitor value is decreased to amb = 30 C; see Fig.12. amb = 30 C, the capacitor value is amb = 30 C. amb 14 ESR maximum ESR ( ) stable region minimum ESR capacitor for regulator 2. Product specification TDA3681 MGL913 100 ...
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... 24.0 20.0 12.2 10 2.54 1.27 5.08 23.6 19.6 11.8 REFERENCES JEDEC JEITA 22 non-concave view B: mounting base side 3.4 8.4 2.4 2.1 6 0.6 4.3 3.1 7.0 1.6 1.8 EUROPEAN PROJECTION Product specification TDA3681 SOT243 2.00 0.25 0.03 1.45 ISSUE DATE 99-12-17 03-03-12 ...
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... 20.0 12.2 10 2.54 1.27 5.08 19.6 11.8 REFERENCES JEDEC JEITA 23 non-concave view B: mounting base side 3.4 12.4 2.4 2.1 6 0.8 4.3 3.1 11.0 1.6 1.8 EUROPEAN PROJECTION Product specification TDA3681 SOT475 ( 2.00 0.4 0.03 1.45 ISSUE DATE 99-12-17 03-03-12 ...
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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 24 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 TDA3681 SOT418 2.5 0.07 0 2.0 ISSUE DATE 02-02-12 03-07-23 ...
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... To overcome these problems the double-wave soldering method was specifically developed. 25 Product specification TDA3681 2 350 mm so called thick/large packages called small/thin packages. ...
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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. 26 Product specification TDA3681 ...
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... The appropriate soldering profile can be provided on request. 2004 Mar 31 (1) PACKAGE (5) , LBGA, LFBGA, SQFP, , TFBGA, USON, VFBGA (11) (10) (11) , PMFP , WQCCN32L 27 Product specification TDA3681 SOLDERING METHOD WAVE REFLOW suitable (3) suitable not suitable not suitable not suitable suitable (6) not suitable suitable ...
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... Product specification TDA3681 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. 2004 All rights are reserved. Reproduction in whole or in part is prohibited ...