MC34063A, MC33063A, SC34063A, SC33063A, NCV33063A 1.5 A, Step-Up/Down/ Inverting Switching www.onsemi.com Regulators The MC34063A Series is a monolithic control circuit containing the MARKING primary functions required for DCtoDC converters. These devices DIAGRAMS consist of an internal temperature compensated reference, comparator, 8 controlled duty cycle oscillator with an active current limit circuit, 3x063 driver and high current output switch. This series was specifically ALYWA designed to be incorporated in StepDown and StepUp and VoltageInverting applications with a minimum number of external SOIC8 1 8 D SUFFIX components. Refer to Application Notes AN920A/D and AN954/D CASE 751 8 1 for additional design information. 3x063V ALYWA Features Operation from 3.0 V to 40 V Input 1 Low Standby Current Current Limiting 8 Output Switch Current to 1.5 A 3x063AP1 Output Voltage Adjustable AWL YYWWG Frequency Operation to 100 kHz PDIP8 Precision 2% Reference 1 P, P1 SUFFIX NCV Prefix for Automotive and Other Applications Requiring CASE 626 8 Unique Site and Control Change Requirements AECQ100 8 33063AVP Qualified and PPAP Capable 1 AWL These Devices are PbFree, Halogen Free/BFR Free and are RoHS YYWWG Compliant 1 1 8 Drive Switch Collector Collector Q2 SQ 33063 Q1 DFN8 R ALYWA 7 CASE 488AF 100 I pk 2 1 Switch Sense Emitter I pk C T Oscillator 6 3 x = 3 or 4 Timing V CC A = Assembly Location Comparator Capacitor L, WL = Wafer Lot 1.25 V + Y, YY = Year Reference - Regulator W, WW = Work Week G or = PbFree Package 5 4 Comparator GND Inverting Input (Bottom View) This device contains 79 active transistors. ORDERING INFORMATION Figure 1. Representative Schematic Diagram See detailed ordering and shipping information in the package dimensions section on page 12 of this data sheet. Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: December, 2016 Rev. 24 MC34063A/DMC34063A, MC33063A, SC34063A, SC33063A, NCV33063A Switch Driver 1 8 Collector Collector Driver Collector Switch Collector Switch 7 I Sense 2 pk Switch Emitter I Sense pk Emitter EP Flag Timing Capacitor V Timing CC 6 V 3 CC Capacitor GND Comparator Comparator GND45 Inverting Input Inverting Input (Top View) (Top View) Figure 2. Pin Connections MAXIMUM RATINGS Rating Symbol Value Unit Power Supply Voltage V 40 Vdc CC Comparator Input Voltage Range V 0.3 to +40 Vdc IR Switch Collector Voltage V 40 Vdc C(switch) Switch Emitter Voltage (V = 40 V) V 40 Vdc Pin 1 E(switch) Switch Collector to Emitter Voltage V 40 Vdc CE(switch) Driver Collector Voltage V 40 Vdc C(driver) Driver Collector Current (Note 1) I 100 mA C(driver) Switch Current I 1.5 A SW Power Dissipation and Thermal Characteristics Plastic Package, P, P1 Suffix T = 25C P 1.25 W A D Thermal Resistance R 115 C/W JA SOIC Package, D Suffix T = 25C P 625 mW A D Thermal Resistance R 160 C/W JA Thermal Resistance R 45 C/W JC DFN Package T = 25C P 1.25 mW A D Thermal Resistance R 80 C/W JA Operating Junction Temperature T +150 C J Operating Ambient Temperature Range T C A MC34063A, SC34063A 0 to +70 MC33063AV, NCV33063A 40 to +125 MC33063A, SC33063A 40 to +85 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. Maximum package power dissipation limits must be observed. 2. This device series contains ESD protection and exceeds the following tests: Human Body Model 4000 V per MILSTD883, Method 3015. Machine Model Method 400 V. 3. NCV prefix is for automotive and other applications requiring site and change control. www.onsemi.com 2