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TDA3663 データシート(PDF) 4 Page - NXP Semiconductors |
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4 / 15 page TDA3663_6 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 06 — 26 June 2007 4 of 15 NXP Semiconductors TDA3663 Very low dropout voltage/quiescent current 3.3 V voltage regulator 6.2 Pin description [1] For he SO8 package all GND pins are connected to the lead frame and can also be used to reduce the total thermal resistance Rth(j-a) by soldering these pins to a ground plane. The ground plane on the top side of the PCB acts like a heat spreader. 7. Functional description The TDA3663 is a fixed 3.3 V regulator which can deliver output currents up to 100 mA. The regulator is available in SO8 and SO4 packages. The regulator is intended for portable, mains and telephone applications. To increase the lifetime of batteries, a specially built-in clamp circuit keeps the quiescent current of this regulator very low, also in dropout and full load conditions. The device remains operational down to very low supply voltages and below this voltage it switches off. A temperature protection circuit is included which switches off the regulator output at a junction temperature above 150 °C. 8. Limiting values Table 3: Pin description Symbol Pin Description SO4 SO8 VP 1 8 supply voltage GND 2 and 4 2, 3, 6 and 8 ground[1] REG 3 1 regulator output n.c. - 4 and 5 not connected Table 4: Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit VP supply voltage - 45 V VP(rp) reverse polarity supply voltage non-operating - −25 V Ptot total power dissipation TDA3663 temperature of copper area is 25 °C - 4.1 W TDA3663AT Tamb =25 °C- 5 W Tstg storage temperature non-operating −55 +150 °C Tamb ambient temperature operating −40 +125 °C Tj junction temperature operating −40 +150 °C |
同様の部品番号 - TDA3663 |
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同様の説明 - TDA3663 |
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