TDA3672

INTEGRATED CIRCUITS DATA SHEET TDA3672 Very low dropout voltage/quiescent current 3.0 V voltage regulator with enable Preliminary specification File under Integrated Circuits, IC01 2000 Apr 26 Philips Semiconductors Preliminary specification Very low dropout voltage/quiescent current 3.0 V voltage regulator with enable FEATURES Fixed 3.0 V, 100 mA regulator with enable function Supply voltage range up to 33 V (45 V) Very low quiescent current of 15 µA (typical value) Very low dropout voltage High ripple rejection Very high stability: – Electrolytic capacitors: Equivalent Series Resistance (ESR) < 30 Ω at IREG ≤ 25 mA (see Fig.6) – Other capacitors: 100 nF at 200 µA ≤ IREG ≤ 100 mA. Pin compatible family TDA3672 to TDA3676 Protections: – Reverse polarity safe (down to −25 V without high reverse current) – Negative transient of 50 V (RS = 10 Ω and t < 100 ms) QUICK REFERENCE DATA SYMBOL Supply VP Iq supply voltage quiescent supply current regulator on VP = 14.4 V; IREG = 0 mA; VI(EN) = 5 V 7.5 ≤ VP ≤ 22 V; IREG = 0.5 mA 5.5 V ≤ VP ≤ 45 V; IREG = 0.5 mA VREG(drop) dropout voltage VP = 2.8 V; IREG = 50 mA; Tamb ≤ 85 °C 3 − 14.4 15 PARAMETER CONDITIONS MIN. TYP. TDA3672 – Able to withstand voltages up to 18 V at the output (supply line may be short-circuited) – ESD protection on all pins – DC short-circuit safe to ground and VP of the regulator output – Temperature protection (at Tj > 150 °C). GENERAL DESCRIPTION The TDA3672 is a fixed 3.0 V voltage regulator ...