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TDA3617 Scheda tecnica(PDF) 2 Page - NXP Semiconductors |
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TDA3617 Scheda tecnica(HTML) 2 Page - NXP Semiconductors |
2 / 16 page 1999 Jul 14 2 Philips Semiconductors Preliminary specification Multiple voltage regulator TDA3617 FEATURES General • Three VP-state controlled regulators (regulators 1, 2 and 3) • Very good stability and noise behaviour • Separate control pins for switching regulators 1, 2 and 3 • Supply voltage range from −18 to +50 V • Low quiescent current (when regulators 1, 2 and 3 are switched off) • High ripple rejection • Hold output for indicating regulator 1 and/or 2 and/or 3 out of regulation. Protections • Reverse polarity safe (down to −18 V without high reverse current) • Able to withstand voltages up to 18 V at the outputs (supply line may be short circuited) • ESD protection on all pins • Thermal protection • Load dump protection • Foldback current limit protection for regulators 1, 2 and 3 • DC short-circuit safe to ground and VP for all regulator outputs. GENERAL DESCRIPTION The TDA3617J is a multiple output voltage regulator with three independent regulators. It contains: 1. Three fixed voltage regulators with foldback current protection (regulators 1, 2 and 3) 2. A supply pin that can withstand load dump pulses and negative supply voltages 3. Independent enable inputs for regulators 1, 2 and 3 4. Local temperature protection for regulator 3 5. A hold output that can be used to interface with a microprocessor. The hold indicates that the selected output voltages are available and within their ranges. QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply VP supply voltage operating 9.5 14.4 17.5 V jump start t ≤ 10 minutes −− 30 V load dump protection for 50 ms; tr ≥ 2.5 ms −− 50 V Iq(tot) total quiescent current standby mode − 540 µA Tj junction temperature −− 175 °C Voltage regulators VREG1 output voltage regulator 1 1 mA ≤ IREG1 ≤ 1.3 A 8.55 9.0 9.45 V VREG2 output voltage regulator 2 1 mA ≤ IREG2 ≤ 600 mA; VP = 14.4 V 4.75 5.0 5.25 V VREG3 output voltage regulator 3 1 mA ≤ IREG3 ≤ 300 mA 3.14 3.3 3.46 V TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA3617J DBS9P plastic DIL-bent-SIL power package; 9 leads (lead length 7.7 mm) SOT157-4 |
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