Overview
The MC34063AMG is a monolithic control circuit designed for DC-DC voltage conversion, produced by Onsemi. This device is part of the MC34063A series, which includes the primary functions required for DC-DC converters. It is suitable for a variety of applications, including step-down, step-up, and voltage-inverting configurations.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 3 | 40 | V | |
| Output Switch Current | 1.5 | A | ||
| Oscillator Frequency | 24 | 33 | 42 | kHz |
| Reference Accuracy | 2% | |||
| Operating Temperature Range | 0 | 70 | °C | |
| Package Type | SOIC-8, DIP-8, DFN |
Key Features
- Wide input voltage range: 3 V to 40 V
- High output switch current: up to 1.5 A
- Adjustable output voltage with 2% reference accuracy
- Oscillator frequency up to 100 kHz
- Active current limiting and short-circuit protection
- Low standby current
- Internal temperature compensated reference and comparator
- Duty cycle controlled oscillator and high-current output switch
Applications
- DC-DC power supplies
- Step-down, step-up, and voltage-inverting converters
- Fan controllers
- Cigarette lighter adapters (CLA)
- General power management in electronic devices
Q & A
- What is the input voltage range of the MC34063AMG?
The input voltage range is from 3 V to 40 V.
- What is the maximum output switch current of the MC34063AMG?
The maximum output switch current is up to 1.5 A.
- What is the oscillator frequency range of the MC34063AMG?
The oscillator frequency range is up to 100 kHz.
- Does the MC34063AMG have built-in current limiting?
Yes, it has active current limiting and short-circuit protection.
- What are the typical applications of the MC34063AMG?
Typical applications include DC-DC power supplies, step-down, step-up, and voltage-inverting converters, fan controllers, and cigarette lighter adapters.
- What is the operating temperature range of the MC34063AMG?
The operating temperature range is from 0°C to 70°C.
- What package types are available for the MC34063AMG?
The device is available in SOIC-8, DIP-8, and DFN packages.
- Does the MC34063AMG have ESD protection?
Yes, it includes ESD protection exceeding Human Body Model 4000 V and Machine Model 400 V tests.
- How is the output voltage adjusted in the MC34063AMG?
The output voltage is adjustable through two external resistors with a 2% reference accuracy.
- What is the thermal resistance of the MC34063AMG in SOIC package?
The thermal resistance (RθJA) in SOIC package is 160 °C/W at TA = 25°C.
