NCV3163PWR2G

NCP3163, NCV3163 Inverting Converter, Switching Regulator - Buck Boost 3.4 A, 50-300 kHz The NCP3163 Series is a performance enhancement to the popular NCP3163, NCV3163 Current 8 Limit 9 - + V in 7 10 + V CC C in 6 11 Oscillator R 5 12 Q Thermal S 4 13 V CC 3 14 + 2 15 + - + 1 16 + - LVI V CC V out + (Bottom View) C O Figure 1. Typical Buck Application Circuit Current 0.25 V I 8 Limit 9 - PKsense Driver Collector + R SC 7 10 V CC V CC Switch Collector Timing Capacitor 6 Q1 11 Oscillator C T Q2 Shutdown R 5 12 R DT Q 60 Thermal S 4 13 Gnd Latch V CC Voltage Feedback 1 3 14 Switch Emitter 45 k 2.0 mA + Voltage Feedback 2 2 Feedback 15 + - Comparator 1.25 V 15 k + LVI Output 1 + 16 7.0 V Bootstrap Input - 1.125 V LVI V CC + = Sink Only (Bottom View) - Positive True Logic Figure 2. Representative Block Diagram