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UC3525AN The Texas Instruments UC3525AN is a versatile PWM controller designed for switching power supplies. It operates from 8V to 35V and features a frequency range of 100Hz to 400kHz.
Mfr Part #:

UC3525AN

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3525AN is a versatile PWM controller designed for switching power supplies. It operates from 8V to 35V and features a frequency range of 100Hz to 400kHz.
✓ Total Stock: 12,638 pcs
$ Price Range: $1.14

UC3525AN Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
9,060 pcs
On Request
9060 pcs On Request 1 On Request On Request 1501+51 On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,539 pcs
On Request
3539 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
39 pcs
On Request
39 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

UC3525AN 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 Current
Output Phases
Output Type
Package Quantity
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UC3525AN Description

Short technical summary and product information.

The Texas Instruments UC3525AN is a pulse width modulator integrated circuit designed for use in various switching power supply designs. It supports multiple topologies including Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, and Push-Pull configurations.

 

Key electrical features include an operating voltage range of 8V to 35V, a 5.1V reference trimmed to 1%, and an adjustable oscillator frequency from 100Hz to 400kHz. The device offers dual source and sink output drivers with a maximum duty cycle of 49% and includes control features such as Enable, Frequency Control, and Soft Start.

 

This controller is housed in a 16-PDIP package and is designed for through-hole mounting. The operating temperature range is 0°C to 70°C. The UC3525AN is noted as 'NOT RECOMMENDED FOR NEW DESIGNS'.

UC3525AN Quick Information

Product Type: PWM Controller
Series: UC3525A
Canonical Name: UC3525AN PWM Controller
Subcategory: DC-DC Switching Controllers

UC3525AN Compliance

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

UC3525AN Estimated Pricing

Qty Low High
1+ $1.14 $1.14

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

UC3525AN Features

  • Operates from 8V to 35V input voltage.
  • Features a 5.1V internal reference.
  • Adjustable oscillator frequency from 100Hz to 400kHz.
  • Supports multiple switching power supply topologies.
  • Packaged in a 16-PDIP for through-hole mounting.

UC3525AN Applications

  • Ideal for switching power supply designs.
  • Suitable for Buck and Boost converters.
  • Used in Flyback and Forward converters.
  • Applicable to Full and Half-Bridge designs.
  • Supports Push-Pull converter configurations.

UC3525AN FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC3525AN?

The UC3525AN operates from 8V to 35V.

What is the oscillator frequency range of the UC3525AN?

The oscillator frequency range is 100Hz to 400kHz.

What package type is the UC3525AN available in?

The UC3525AN is available in a 16-PDIP package.

What is the operating temperature range for the UC3525AN?

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

What is the RoHS status of the UC3525AN?

The UC3525AN is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the UC3525AN?

The MSL for the UC3525AN is Level 1.

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