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MC33063ADG

Public Made by Adom

by adom

onsemi New Arrivals, SOIC-8-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MC33063ADG

onsemi · New Arrivals · SOIC-8-150mil

MC33063ADG from onsemi, in a SOIC-8-150mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 Switch Collector passive Collector of the internal output switch transistor, rated 40 V maximum (VC(switch)) with switch current up to 1.5 A.
2 Switch Emitter passive Emitter of the internal output switch transistor, rated 40 V maximum (VE(switch)) with switch current up to 1.5 A.
3 Timing Capacitor passive Connection for the external timing capacitor CT that sets the oscillator frequency (33 kHz typ with CT = 1.0 nF).
4 GND power_in Ground.
5 Comparator Inverting Input input Inverting input of the comparator, compared with the 1.25 V reference threshold (input range -0.3 to +40 V) via the output-voltage divider.
6 VCC power_in Supply voltage input, operating from 3.0 V to 40 V.
7 Ipk Sense input Peak current sense input; the current limit trips at about 300 mV across the sense resistor Rsc between VCC and this pin.
8 Driver Collector passive Collector of the internal driver transistor, rated 40 V maximum with driver collector current up to 100 mA.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOIC-8-150mil
Category Others
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Oscillator Frequency fosc 24 33 42 kHz VPin 5 = 0 V, CT = 1.0 nF, TA = 25°C 3
Charge Current Ichg 24 35 42 µA VCC = 5.0 V to 40 V, TA = 25°C 3
Discharge Current Idischg 140 220 260 µA VCC = 5.0 V to 40 V, TA = 25°C 3
Discharge to Charge Current Ratio Idischg/Ichg 5.2 6.5 7.5 - Pin 7 to VCC, TA = 25°C 3
Current Limit Sense Voltage Vipk(sense) 250 300 350 mV Ichg = Idischg, TA = 25°C 3
Saturation Voltage, Darlington Connection VCE(sat) 1 1.3 V ISW = 1.0 A, Pins 1, 8 connected 3
Saturation Voltage, forced beta 20 VCE(sat) 0.45 0.7 V ISW = 1.0 A, RPin 8 = 82 Ω to VCC, Forced β ≥ 20 3
DC Current Gain hFE 50 75 - ISW = 1.0 A, VCE = 5.0 V, TA = 25°C 3
Collector Off-State Current IC(off) 0.01 100 µA VCE = 40 V 3
Comparator Threshold Voltage (25°C) Vth 1.225 1.25 1.275 V TA = 25°C 3
Comparator Threshold Voltage (Tlow to Thigh) Vth 1.21 1.29 V TA = Tlow to Thigh 3
Threshold Voltage Line Regulation Regline 1.4 5 mV VCC = 3.0 V to 40 V, MC33063 3
Input Bias Current IIB -20 -400 nA Vin = 0 V 3
Supply Current ICC 4 mA VCC = 5.0 V to 40 V, CT = 1.0 nF, Pin 7 = VCC, VPin 5 > Vth, Pin 2 = GND, remaining pins open 3
Power Supply Voltage VCC 40 Vdc 2
Comparator Input Voltage Range VIR -0.3 40 Vdc 2
Switch Collector Voltage VC(switch) 40 Vdc 2
Switch Emitter Voltage VE(switch) 40 Vdc VPin 1 = 40 V 2
Switch Collector to Emitter Voltage VCE(switch) 40 Vdc 2
Driver Collector Voltage VC(driver) 40 Vdc 2
Driver Collector Current IC(driver) 100 mA Note 1 2
Switch Current ISW 1.5 A 2
Power Dissipation, SOIC PD 625 mW SOIC Package, D Suffix, TA = 25°C 2
Operating Junction Temperature TJ 150 °C 2
Operating Ambient Temperature Range TA -40 85 °C MC33063A 2
Storage Temperature Range Tstg -65 150 °C 2
Thermal Resistance, Junction to Ambient RθJA 160 °C/W SOIC Package, D Suffix 2
Thermal Resistance, Junction to Case RθJC 45 °C/W SOIC Package, D Suffix 2

CAD (KiCad official)

  • Symbol: MC33063ADG
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8-150mil (KiCad packages3D, STEP)
  • 3D model files: mc33063adg-etched.step / mc33063adg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc33063adg.step / mc33063adg.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: onsemi datasheet (16 pp, sha256 aeeba105b8030b72, retrieved 2026-10-23, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF