NCV33163 2.5 A, Step-Up/Down/ Inverting Switching Regulators The NCV33163 series are monolithic power switching regulators that contain the primary functions required for DCtoDC converters. NCV33163 Driver I 8 9 I Sense - Limit pk Collector + 7 10 V CC + Switch Collector Timing 6 11 OSC Capacitor 5 12 Control Logic GND and Thermal GND Shutdown 4 13 + Voltage 3 14 Feedback 1 Switch Emitter VFB Voltage + 2 15 + Feedback 2 - LVI + Bootstrap LVI Output 1 + 16 Input - + (Bottom View) This device contains 114 active transistors. Figure 1. Representative Block Diagram MAXIMUM RATINGS (Note 1) Rating Symbol Value Unit Power Supply Voltage V 60 V CC Switch Collector Voltage Range V 1.0 to + 60 V C(switch) Switch Emitter Voltage Range V 2.0 to V V E(switch) C(switch) Switch Collector to Emitter Voltage V 60 V CE(switch) Switch Current (Note 2) I 2.5 A SW Driver Collector Voltage V 1.0 to +60 V C(driver) Driver Collector Current I 150 mA C(driver) Bootstrap Input Current Range (Note 2) I 100 to +100 mA BS Current Sense Input Voltage Range V (V 7.0) to (V +1.0) V Ipk (Sense) CC CC Feedback and Timing Capacitor Input Voltage Range V 1.0 to + 7.0 V in Low Voltage Indicator Output Voltage Range V 1.0 to + 60 V C(LVI) Low Voltage Indicator Output Sink Current I 10 mA C(LVI) Thermal Characteristics C/W P Suffix, DualInLine Case 648C Thermal Resistance, JunctiontoAir 80 R JA Thermal Resistance, JunctiontoCase (Pins 4, 5, 12, 13) 15 R JC DW Suffix, Surface Mount Case 751G Thermal Resistance, JunctiontoAir R 94 JA Thermal Resistance, JunctiontoCase (Pins 4, 5, 12, 13) R 18 JC Operating Junction Temperature T +150 C J Operating Ambient Temperature T 40 to + 115 C A Storage Temperature Range T 65 to +150 C stg Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. This device series contains ESD protection and exceeds the following tests: Human Body Model 1500 V per MILSTD883, Method 3015. Machine Model Method 150 V. 2. Maximum package power dissipation limits must be observed.