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UC3825DWTR The Texas Instruments UC3825DWTR is a high-speed PWM controller designed for switched-mode power supply applications. It supports multiple topologies and offers features like current limiting and soft start.
Mfr Part #:

UC3825DWTR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3825DWTR is a high-speed PWM controller designed for switched-mode power supply applications. It supports multiple topologies and offers features like current limiting and soft start.
✓ Total Stock: 32,299 pcs
$ Price Range: $2.49

UC3825DWTR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
17,219 pcs
On Request
17219 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
12,500 pcs
On Request
12500 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,580 pcs
On Request
2580 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.

UC3825DWTR 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 / Case
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UC3825DWTR Description

Short technical summary and product information.

The UC3825DWTR from Texas Instruments is a versatile PWM (Pulse Width Modulation) controller IC optimized for high-frequency switched-mode power supply (SMPS) applications. It is compatible with both voltage and current mode topologies, including Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, and Push-Pull configurations.

 

Key electrical specifications include an operating voltage range of 8.4V to 30V, a maximum duty cycle of 85%, and an adjustable switching frequency between 340kHz and 460kHz. The device features a high current dual totem pole output capable of 1.5A peak current and a fast 50ns propagation delay to the output. Control features include current limit, enable, frequency control, ramp, and soft start.

 

This controller is housed in a 16-SOIC package and is designed for surface mounting. It operates within a temperature range of 0°C to 70°C (TA). The UC3825 family is known for its fully latched logic with double pulse suppression and pulse-by-pulse current limiting, ensuring stable and reliable operation in demanding power supply designs.

UC3825DWTR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC3825DWTR High Speed PWM Controller
Subcategory: DC/DC Controllers

UC3825DWTR Compliance

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

UC3825DWTR Estimated Pricing

Qty Low High
1+ $2.49 $2.49

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

UC3825DWTR Features

  • High-speed PWM controller for SMPS applications.
  • Compatible with voltage or current mode topologies.
  • Features 1.5A peak output current capability.
  • Operates from 8.4V to 30V supply voltage.
  • Surface mount 16-SOIC package.

UC3825DWTR Applications

  • Ideal for high-frequency power supplies.
  • Suitable for multi-topology designs.
  • Used in step-up and step-down converters.
  • Enables precise output control.

UC3825DWTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC3825DWTR?

The operating voltage range is 8.4V to 30V.

What package type is the UC3825DWTR available in?

The UC3825DWTR is available in a 16-SOIC package.

What is the operating temperature range for the UC3825DWTR?

The operating temperature range is 0°C to 70°C (TA).

What is the RoHS status of the UC3825DWTR?

The UC3825DWTR is RoHS3 Compliant.

What is the maximum duty cycle for the UC3825DWTR?

The maximum duty cycle is 85%.

What is the switching frequency range of the UC3825DWTR?

The switching frequency range is 340kHz to 460kHz.

What is the peak output current for the UC3825DWTR?

The device features high current dual totem pole outputs with a peak current of 1.5A.

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