DATA SHEET www.onsemi.com MARKING Inverting Regulator - Buck, DIAGRAMS Boost, Switching 8 3x063 1.5 A ALYWA SOIC8 1 8 MC34063A, MC33063A, D SUFFIX CASE 751 8 1 SC34063A, SC33063A, 3x063V ALYWA NCV33063A 1 The MC34063A Series is a monolithic control circuit containing the primary functions required for DCtoDC converters. These devices consist of an internal temperature compensated reference, comparator, 8 controlled duty cycle oscillator with an active current limit circuit, 3x063AP1 driver and high current output switch. This series was specifically AWL designed to be incorporated in Step Down and Step Up and YYWWG VoltageInverting applications with a minimum number of external PDIP8 1 components. Refer to Application Notes AN920A/D and AN954/D P, P1 SUFFIX for additional design information. CASE 626 8 8 33063AVP Features 1 AWL Operation from 3.0 V to 40 V Input YYWWG Low Standby Current 1 Current Limiting Output Switch Current to 1.5 A Output Voltage Adjustable Frequency Operation to 100 kHz 33063 DFN8 Precision 2% Reference ALYWA CASE 488AF 1 NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements AECQ100 Qualified and PPAP Capable x = 3 or 4 These Devices are PbFree, Halogen Free/BFR Free and are RoHS A = Assembly Location Compliant L, WL = Wafer Lot Y, YY = Year W, WW = Work Week 1 8 Drive Switch G or = PbFree Package Collector Collector Q2 SQ Q1 ORDERING INFORMATION R See detailed ordering and shipping information in the package 7 100 I pk dimensions section on page 12 of this data sheet. 2 Switch Sense Emitter I pk C T Oscillator 6 3 Timing V CC Comparator Capacitor 1.25 V + Reference - Regulator 5 4 Comparator GND Inverting Input (Bottom View) This device contains 79 active transistors. Figure 1. Representative Schematic Diagram Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: August, 2021 Rev. 25 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