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SG3524N The SG3524N from Texas Instruments is a regulating pulse-width modulator IC for DC-DC conversion supporting buck, boost, flyback, and other topologies. It operates from 8V to 40V at 450kHz.
Mfr Part #:

SG3524N

Available from 8 distributors
Mfr Name: Texas Instruments
Texas Instruments
The SG3524N from Texas Instruments is a regulating pulse-width modulator IC for DC-DC conversion supporting buck, boost, flyback, and other topologies. It operates from 8V to 40V at 450kHz.
✓ Total Stock: 4,026 pcs
$ Price Range: $0.61

SG3524N Available from 8 distributors

✓ Authorised
✓ Non-Authorised
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SG3524N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Package Quantity
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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SG3524N Description

Short technical summary and product information.

The SG3524N is a pulse-width modulation (PWM) control IC designed for DC-DC switching regulators. It integrates all necessary functions for single-ended or push-pull configurations, including a voltage reference, error amplifier, oscillator, pulse-steering flip-flop, and output drivers. The device operates from a supply voltage of 8V to 40V and features a fixed 450kHz oscillator frequency. It supports multiple topologies: buck, boost, flyback, forward converter, full-bridge, half-bridge, and push-pull.

 

The controller provides two transistor-driver outputs with positive, isolation-capable configuration. Control features include current limit and frequency control. The quiescent current is typically 8mA. The operating temperature range is 0°C to 70°C. The SG3524N is housed in a 16-pin PDIP (16-DIP) package, with through-hole mounting. It is supplied in tubes of 25 units.

 

This device is suitable for a wide range of power conversion applications requiring adjustable output voltage and current limiting. The non-synchronous design and lack of clock sync are noted for system integration.

SG3524N Quick Information

Product Type: DC DC Switching Controller
Canonical Name: SG3524N
Subcategory: DC-DC Switching Controllers

SG3524N Compliance

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

SG3524N Estimated Pricing

Qty Low High
1+ $0.61 $0.61

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

SG3524N Features

  • Input voltage range 8V to 40V.
  • Fixed 450kHz oscillator frequency.
  • Two transistor-driver outputs.
  • Supports buck, boost, flyback topologies.
  • Current limit and frequency control features.

SG3524N Applications

  • Used in DC-DC converter power supplies.
  • Ideal for push-pull and half-bridge converters.
  • Suitable for battery-powered voltage regulators.
  • Applies to flyback and forward converters.
  • Works in positive isolation capable designs.

SG3524N FAQs

3 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the SG3524N?

The SG3524N operates from 8V to 40V.

What is the operating temperature range of the SG3524N?

The operating temperature range is 0°C to 70°C.

What package is the SG3524N available in?

The SG3524N comes in a 16-DIP (0.300", 7.62mm) package, specifically a 16-PDIP with through-hole mounting.

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