Product Summary

The MC33063ADR is a monolithic control circuit containing the primary functions required for DC-to-DC converters. The device consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. The MC33063ADR is specifically designed to be incorporated in Step-Down and Step-Up and Voltage-Inverting applications with a minimum number of external components.

Parametrics

MC33063ADR absolute maximum ratings::(1)Power Supply Voltage: 40 Vdc;(2)Comparator Input Voltage Range: -0.3 to +40 Vdc;(3)Switch Collector Voltage: 40 Vdc;(4)Switch Emitter Voltage (VPin 1 = 40 V): 40 Vdc;(5)Switch Collector to Emitter Voltage: 40 Vdc;(6)Driver Collector Voltage: 40 Vdc;(7)Driver Collector Current: 100 mA;(8)Switch Current: 1.5 A;(9)Operating Junction Temperature: +150 ℃; (10)Storage Temperature Range: -65 to +150℃.

Features

MC33063ADR features:(1)Operation from 3.0 V to 40 V Input; (2)Low Standby Current; (3)Current Limiting; (4)Output Switch Current to 1.5 A; (5)Output Voltage Adjustable; (6)Frequency Operation to 100 kHz; (7)Precision 2% Reference; (8)Pb-Free Packages are Available.

Diagrams

MC33063ADR block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
MC33063ADR
MC33063ADR

Texas Instruments

DC/DC Switching Regulators 1.5-A Peak Boost/ Buck/Inverting Swit

Data Sheet

0-1: $0.38
1-25: $0.29
25-100: $0.26
100-250: $0.22
MC33063ADR2
MC33063ADR2

ON Semiconductor

Switching Converters, Regulators & Controllers 40V 1.5A

Data Sheet

Negotiable 
MC33063ADRG4
MC33063ADRG4

Texas Instruments

DC/DC Switching Regulators 1.5A Peak Boost/Buck Inverting Sw Reg

Data Sheet

0-1: $0.33
1-25: $0.26
25-100: $0.23
100-250: $0.20
MC33063ADRJR
MC33063ADRJR

Texas Instruments

DC/DC Switching Regulators 1.5-A Peak Boost/ Buck/Inverting

Data Sheet

0-1: $0.40
1-25: $0.31
25-100: $0.27
100-250: $0.24
MC33063ADRE4
MC33063ADRE4

Texas Instruments

DC/DC Switching Regulators 1.5-A Peak Boost/ Buck/Inverting Swit

Data Sheet

0-1: $0.33
1-25: $0.26
25-100: $0.23
100-250: $0.20
MC33063ADR2G
MC33063ADR2G

ON Semiconductor

Switching Converters, Regulators & Controllers 40V 1.5A Buck/Boost/Inverting

Data Sheet

0-1: $0.47
1-25: $0.37
25-100: $0.32
100-500: $0.24
MC33063ADRJRG4
MC33063ADRJRG4

Texas Instruments

DC/DC Switching Regulators 1.5A Peak Boost/Buck Inverting Sw Reg

Data Sheet

0-1: $0.40
1-25: $0.31
25-100: $0.27
100-250: $0.24