Product details

Vin (Min) (V) 3 Vin (Max) (V) 40 Vout (Min) (V) 1.25 Vout (Max) (V) 40 Switch current limit (Typ) (A) 1.5 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 33 Switching frequency (Max) (kHz) 100 Iq (Typ) (mA) 4 Duty cycle (Max) (%) 90 Operating temperature range (C) -40 to 125 Rating Automotive
Vin (Min) (V) 3 Vin (Max) (V) 40 Vout (Min) (V) 1.25 Vout (Max) (V) 40 Switch current limit (Typ) (A) 1.5 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 33 Switching frequency (Max) (kHz) 100 Iq (Typ) (mA) 4 Duty cycle (Max) (%) 90 Operating temperature range (C) -40 to 125 Rating Automotive
SOIC (D) 8 19 mm² 3.91 x 4.9
  • AEC-Q100 Qualified With the:
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • 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
  • AEC-Q100 Qualified With the:
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C4B
  • 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 MC33063A-Q1 device is an easy-to-use IC containing all the primary circuitry needed for building simple DC-DC converters. The device primarily consists 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 device requires minimal external components to build converters in the boost, buck, and inverting topologies.

The MC33063A-Q1 device is characterized for operation from –40°C to 125°C.

The MC33063A-Q1 device is an easy-to-use IC containing all the primary circuitry needed for building simple DC-DC converters. The device primarily consists 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 device requires minimal external components to build converters in the boost, buck, and inverting topologies.

The MC33063A-Q1 device is characterized for operation from –40°C to 125°C.

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Technical documentation

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* Data sheet MC33063A-Q1 1.5-A Peak Boost, Buck, Inverting Switching Regulator datasheet (Rev. C) 30 Dec 2014

Design & development

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Simulation model

MC33063A-Q1 TINA-TI Transient Reference Design

SLLM380.TSC (1917 KB) - TINA-TI Reference Design
Simulation model

MC33063A-Q1 TINA-TI Transient Spice Model

SLLM381.ZIP (11 KB) - TINA-TI Spice Model
Simulation model

MC33063A(-Q1) Unencrypted PSpice Transient Model

SLLM444.ZIP (2 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Reference designs

TIDA-01168 — Bidirectional DC/DC Converter Reference Design for 12-V/48-V Automotive Systems

The TIDA-01168 reference design is a four-phase, bidirectional DC-DC converter development platform for 12-V/48-V automotive systems. The system uses two LM5170-Q1 current controllers and a TMS320F28027F microcontroller (MCU) for the power stage control. LM5170-Q1 subsystems use average current (...)
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