SG3525 The SG3525 is a Pulse Width Modulator (PWM) IC from ST, designed to streamline Switched Mode Power Supplies (SMPS) development. It offers precise voltage regulation and overcurrent protection.
Mfr Part #:

SG3525

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The SG3525 is a Pulse Width Modulator (PWM) IC from ST, designed to streamline Switched Mode Power Supplies (SMPS) development. It offers precise voltage regulation and overcurrent protection.
✓ Total Stock: 72,320 pcs
$ Price Range: $0.78

SG3525 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
72,320 pcs
72320 pcs On Request 1 On Request On Request On Request On Request On Request

SG3525 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Operating Voltage
Output Current

SG3525 Description

Short technical summary and product information.

The SG3525 Pulse Width Modulator (PWM) Integrated Circuit (IC) from ST is a key component for Switched Mode Power Supplies (SMPS) and PWM signal generation. It integrates essential functions, reducing the need for external components and enhancing system efficiency.

 

Key electrical characteristics include a supply voltage range of 8 to 35 V, with a VCC rating of 40 Vdc. The oscillation frequency can be set between 100 Hz and 400 kHz. It features a trimmed reference voltage with ±1% accuracy and provides an output current of ±500 mA. The IC has a maximum power dissipation of 1000 mW.

 

Designed for robust performance, the SG3525 includes a feedback system for precise voltage regulation, a current limiting circuit for overcurrent protection, and a built-in soft-start circuit to prevent electrical surges. Its pinout includes dedicated pins for inverting and non-inverting inputs, oscillator output, timing components (CT, RT), discharge, soft start, compensation, and shutdown.

 

This IC is suitable for various power management applications, contributing to improved overall system performance and reliability in power electronics designs.

SG3525 Quick Information

Product Type: Pulse Width Modulator IC
Canonical Name: SG3525 Pulse Width Modulator IC
Subcategory: DC DC Switching Controllers

SG3525 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SG3525 Estimated Pricing

Qty Low High
1+ $0.78 $0.78

Estimated market price range - modelled values for guidance only, not live distributor offers.

SG3525 Features

  • Pulse Width Modulator (PWM) IC
  • 8-35V supply voltage range
  • 100Hz to 400kHz oscillation range
  • ±1% reference voltage accuracy
  • Integrated overcurrent protection

SG3525 Applications

  • Switched Mode Power Supplies (SMPS)
  • PWM signal generation
  • Power management solutions
  • Voltage regulation circuits

SG3525 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the SG3525?

The operating supply voltage range for the SG3525 is 8 to 35 V.

What is the oscillation frequency range of the SG3525?

The oscillation frequency range for the SG3525 is 100 Hz to 400 kHz.

What is the maximum power dissipation for the SG3525?

The maximum power dissipation for the SG3525 is 1000 mW.

What is the accuracy of the reference voltage for the SG3525?

The reference voltage for the SG3525 is trimmed to ±1% accuracy.

What is the junction-to-air thermal resistance of the SG3525?

The junction-to-air thermal resistance of the SG3525 is 100 °C/W.

What is the RoHS status of the SG3525?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the SG3525?

The Moisture Sensitivity Level (MSL) is 1 Unlimited.

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