MC34063A IC Buck Boost Inverting Regulator

The MC34063A is a monolithic IC that is use to create DC-to-DC converters. 34063A is a versatile IC that can use to create buck, boost, and inverting converters. The MC34063A has a number of features that make it a popular choice for DC-DC converter design.

The MC34063 IC can operate with an input voltage of 3V to 40V. The output voltage can adjust from 1.25V to 40V. The maximum output current is 1.5A.

The 34063A has a built-in oscillator that can adjust to produce a switching frequency of 50 kHz to 100 kHz. The switching frequency is important for the efficiency of the converter. A higher switching frequency will result in a more efficient converter, but it will also produce more heat.

The 34063A has a comparator that compares the output voltage to a reference voltage. The comparator output is used to control the output switch. If the output voltage is lower than the reference voltage, the comparator output will turn on the output switch. This will increase the current flowing through the inductor, which will increase the output voltage. If the output voltage is higher than the reference voltage, the comparator output will turn off the output switch. This will decrease the current flowing through the inductor, which will decrease the output voltage.

The MC34063 Buck Converter has a high-current output switch that can switch up to 1.5 amps of current. The output switch is a MOSFET transistor that is control by the comparator output. When the comparator output is high, the MOSFET transistor is turn on and current can flow through the inductor. When the comparator output is low, the MOSFET transistor is turn off and current cannot flow through the inductor.

Features : –

The 34063A has an active current limit circuit that prevents the output switch from being overloaded. The current limit circuit monitors the current flowing through the output switch. If the current exceeds the predetermined limit, the current limit circuit will turn off the output switch. This prevents the output switch from being damaged.

The MC34063A has a low standby current of only 10 microamps. This means that the MC34063A will consume very little power when it is not actively regulating the output voltage. Here are some of the benefits of using the MC34063A IC:

• Versatile
• Reliable
• Easy to use
• Low cost
• Low standby current

MC34063A IC Specifications : –

The 34063 IC is a versatile and reliable IC that can use to create a wide variety of DC-DC converters. MC34063 is a good choice for beginners and experienced engineers alike. Here are some of the specifications of the MC34063 IC:

• Input voltage: 3V to 40V
• Output voltage: adjustable from 1.25V to 40V
• Maximum output current: 1.5A
• Switching frequency: adjustable from 50 kHz to 100 kHz
• Standby current: 10 microamps
• Reference voltage: 2.5V
• Current limit: adjustable from 100 mA to 1.5A
• Shutdown pin: can be used to turn off the converter

MC34063A IC Pin Descriptions : –

The 34063 Buck Converter IC is a well-proven and reliable IC that is a good choice for a wide variety of DC-DC converter applications. The 34063A IC has 8 pins, which are labeled as follows:

• VCC: This pin is the input voltage for the converter. The input voltage can be anywhere from 3V to 40V.
• GND: This pin is the ground pin for the converter.
• CT: This pin connected to a capacitor that determines the switching frequency of the converter. The switching frequency can be anywhere from 50 kHz to 100 kHz.
• RSET: This pin is use to reset the converter. When this pin is pulled low, the converter will reset and start over from the beginning.
• FB: This pin connected to a potential divider that sets the output voltage of the converter. The output voltage can be anywhere from 1.25V to 40V.
• SW: This pin is the output switch for the converter. When this pin is high, the output switch is turn on and current can flow through the inductor. When this pin is low, the output switch is turn off and current cannot flow through the inductor.
• OUT: This pin is the output voltage of the converter.
• SHDN: This pin is the shutdown pin for the converter. When this pin is pulled low, the converter will shut down and the output voltage will go to zero.

MC34063A IC Applications : –

The MC34063 Buck Converter is a relatively easy IC to use, and it can use to create a wide variety of DC-DC converters with a minimum of external components. Some of the applications of the MC34063A include:

• Battery chargers
• Power supplies
• LED drivers
• Inverters
• Telecom equipment
• Industrial controls

Package : –

1 x MC34063A IC 

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