SG3525A Pulse Width Modulator Control Circuit

The SG3525A is a pulse width modulator control Circuit. IC SG3525A is use to design all types of SMPS (switched mode power supplies) and PWM signals for power electronics projects. It is a good choice for projects that require a high-performance PWM controller.

The SG3525A is a popular PWM controller IC. SG3525 PWM IC use in a wide variety of applications, including inverters. It has two PWM outputs that can use to control the switching frequency of the inverter. The built-in totem pole base PWM driver provides high-current output capability, making it suitable for driving large loads.

The purpose of a PWM controller is to generate a rectangular waveform that can use to control the power delivered to a load. The duty cycle of the waveform, which is the ratio of the ON time to the OFF time, determines the average power delivered to the load.

The SG3525A IC can operate with a supply voltage of 8 to 35 volts. The output voltage of the IC is determined by the feedback network and the reference voltage. The reference voltage is internally trimmed to 5.1 volts, so the output voltage can be adjusted over a wide range.

The maximum output current of the SG3525A IC is 500 milliamps. This means that the IC can drive loads that require up to 500 milliamps of current. If the load requires more current than this, then the IC can use in a cascade configuration with other SG3525A ICs.

The SG3525A PWM IC works by comparing the feedback voltage to the reference voltage. The error amplifier amplifies the difference between the two voltages and produces a PWM signal that is used to control the output of the IC. The duty cycle of the PWM signal determines the average output voltage of the IC.

Features : –

The 3525 IC is a popular choice for SMPS and PWM signal design because it offers a wide range of features. The 3525 is a PWM controller IC that can use to generate regulated voltage for DC-DC converter circuits like a buck converter, boost converter, buck-boost converter, and many others. The SG3525A IC offers a number of benefits, including:

• High performance
• Low external parts count
• Wide operating range
• Easy to use
• Built-in protection features
• Robust design
• Long product life

SG3525A Pulse Width Modulator Control Circuit Specifications : –

The PWM SG3525 IC is a voltage-mode pulse-width modulation (PWM) controller integrated circuit (IC) that is design to offer improved performance and lower external parts count when used in switching power supplies. PWM SG3525 features an on-chip +5.1 V reference that is trimmed to ±1%, an error amplifier with an input common-mode voltage range that includes the reference voltage, a sync input to the oscillator, a wide range of deadtime adjustment, built-in soft-start circuitry, a shutdown pin, and dual source/sink outputs. here are the specifications of the SG3525A IC:

• Supply voltage: 8 to 35 volts
• Reference voltage: 5.1 volts
• Output voltage: 0 to 5.1 volts
• Output current: 500 milliamps
• Operating temperature: -40 to 125 degrees Celsius

SG3525A Pulse Width Modulator Control Circuit Pin Description : –

SG3525 PWM CIRCUIT is a versatile and powerful IC that can be use in a wide variety of applications. PWM SG3525 is use in a wide variety of applications, including DC-DC converters, DC-AC inverters, home UPS systems, solar inverters, power supplies, battery chargers, and numerous other applications. Here is a brief description of each pin:

• Pin1: Inverting input. This pin is use to connect the feedback voltage to the IC.
• Pin2: Non-inverting input. This pin is use to connect the reference voltage to the IC.
• Pin3: Error amplifier output. This pin outputs the output of the error amplifier.
• Pin4: Output 1. This pin is one of the two output pins of the IC.
• Pin5: Output 2. This pin is the other output pin of the IC.
• Pin6: Sync input. This pin is use to synchronize the operation of the IC with an external oscillator.
• Pin7: Deadtime adjustment. This pin is use to adjust the deadtime between the two outputs of the IC.
• Pin8: VCC. This pin is the power supply pin for the IC.
• Pin9: VC. This pin is the control voltage pin for the IC.
• Pin10: Shutdown. This pin is use to shut down the IC.
• Pin11: Soft-start. This pin is use to soft-start the IC.
• Pin12: Ground. This pin is the ground pin for the IC.
• Pin13: Reference output. This pin outputs the reference voltage from the IC.
• Pin14: Output enable. This pin is use to enable or disable the outputs of the IC.
• Pin15: Oscillator frequency. This pin is use to set the frequency of the oscillator.
• Pin16: Oscillator output. This pin outputs the output of the oscillator.

SG3525A Pulse Width Modulator Control Circuit Applications : –

IC SG3525 is a versatile and powerful PWM controller that can use to control the power delivered to a wide variety of loads. Here are some of the most common applications for the SG3525A IC:

• DC-DC converters
• DC-AC inverters
• Motor control
• Lighting control
• Power supplies
• Battery chargers

Package : –

1 x SG3525A Pulse Width Modulator Control Circuit

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