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TDA3616T Arkusz danych(PDF) 2 Page - NXP Semiconductors |
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TDA3616T Arkusz danych(HTML) 2 Page - NXP Semiconductors |
2 / 20 page 2000 Jan 14 2 Philips Semiconductors Objective specification Multiple voltage regulator with battery detection TDA3616 FEATURES General • One VP-state controlled regulator • Battery detection circuit • Regulator, reset and battery outputs operate during load dump • Supply voltage range from −18 to +50 V • Low quiescent current (battery detection switched off) • High ripple rejection • Dual reset output • Backup circuit • Adjustable reset delay timer. Protections • Reverse polarity safe (down to −18 V without high reverse current) • Able to withstand voltages up to 18 V at the output (supply line may be short-circuited) • ESD protected on all pins • Load dump protection • Foldback current limit protection for regulator • The regulator output is DC short-circuited safe to ground and VP. GENERAL DESCRIPTION The TDA3616 is a low power voltage regulator. It contains the following: • One fixed voltage regulator with a foldback current protection, intended to supply a microprocessor, that also operates during load dump • A provision for use of a reserve supply capacitor that will hold enough energy for the regulator to allow a microcontroller to prepare for loss of supply voltage • Reset signals which can be used to interface with the microprocessor • A supply pin that can withstand load dump pulses and negative supply voltages • Defined start-up behaviour; regulator will be switched on at a supply voltage higher than 7.5 V and off when the output voltage of the regulator drops below 2.4 V. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply VP supply voltage operating regulator on 5.6 14.4 25 V jump start t ≤ 10 minutes −− 30 V load dump protection t ≤ 50 ms; t r ≥ 2.5 ms −− 50 V Iq quiescent supply current standby mode − 95 125 µA standby mode; Tamb =25 °C − 95 120 µA Regulator Vo output voltage 0.5 mA ≤ IREG ≤ 150 mA; 7V ≤ VP ≤ 18 V; Tamb =25 °C 4.8 5.0 5.2 V 0.5 mA ≤ I REG ≤ 150 mA; 7V ≤ VP ≤ 18 V 4.75 5.0 5.25 V IREG = 30 mA; 18 V ≤ VP ≤ 50 V; load dump 4.75 5.0 5.25 V Vdrop drop-out voltage IREG = 150 mA; VP =5V; Tamb =25 °C − 0.6 1.0 V |
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