• MC34063ADR 8-SOIC
  • MC34063ADR


1.5-A boost, buck, inverting switching regulator, operation from 0°C to 70°C 8-SOIC 0 to 70


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  • Part Number : MC34063ADR

  • Package/Case : 8-SOIC

  • Brands : TI

  • Components Categories : Voltage Regulators - DC DC Switching Regulators

  • Datesheet : MC34063ADR DataSheet (PDF)

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Overview of MC34063ADR

Description for the MC34063AThe MC33063A and MC34063A devices are easy-to-use ICs containing all the primary circuitry needed for building simple DC-DC converters. These devices primarily consist of an internal temperature-compensated reference, a comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch. Thus, the devices require minimal external components to build converters in the boost, buck, and inverting topologies.The MC33063A device is characterized for operation from –40°C to 85°C, while the MC34063A device is characterized for operation from 0°C to 70°C.


Key Features

Features for the MC34063A

  • Wide Input Voltage Range: 3 V to 40 V
  • High Output Switch Current: Up to 1.5 A
  • Adjustable Output Voltage
  • Oscillator Frequency Up to 100 kHz
  • Precision Internal Reference: 2%
  • Short-Circuit Current Limiting
  • Low Standby Current


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid MC34063ADR Pbfree Code Yes
Rohs Code Yes Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC Part Package Code SOIC
Package Description SOP, SOP8,.25 Pin Count 8
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.39.00.01 Samacsys Manufacturer Texas Instruments
Control Technique PULSE WIDTH MODULATION Input Voltage-Max 40 V
Input Voltage-Min 3 V Input Voltage-Nom 5 V
JESD-30 Code R-PDSO-G8 JESD-609 Code e4
Length 4.9 mm Moisture Sensitivity Level 1
Number of Functions 1 Number of Outputs 1
Number of Terminals 8 Operating Temperature-Max 70 °C
Operating Temperature-Min Output Current-Max 1.5 A
Output Voltage-Max 40 V Output Voltage-Min 1.25 V
Package Body Material PLASTIC/EPOXY Package Code SOP
Package Equivalence Code SOP8,.25 Package Shape RECTANGULAR
Package Style SMALL OUTLINE Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Seated Height-Max 1.75 mm
Supply Current-Max (Isup) 4 mA Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES Switcher Configuration BUCK-BOOST
Switching Frequency-Max 100 kHz Technology BIPOLAR
Temperature Grade COMMERCIAL Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING Terminal Pitch 1.27 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 3.9 mm Topology Boost, Buck, Flyback, Forward, SEPIC
Vin (min) (V) 3 Vin (max) (V) 40
Vout (min) (V) 1.25 Vout (max) (V) 40
Switch current limit (typ) (A) 1.5 Type Converter
Regulated outputs (#) 1 Switching frequency (min) (kHz) 33
Switching frequency (max) (kHz) 100 Iq (typ) (mA) 4
Features Nonsynchronous rectification Duty cycle (max) (%) 80
Operating temperature range (°C) 0 to 70

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