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UC2825N The Texas Instruments UC2825N is a high-speed PWM controller designed for switched-mode power supplies. It operates over a wide voltage range and features robust control functions.
Mfr Part #:

UC2825N

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2825N is a high-speed PWM controller designed for switched-mode power supplies. It operates over a wide voltage range and features robust control functions.
✓ Total Stock: 6,193 pcs
$ Price Range: $3.37

UC2825N Available from 4 distributors

✓ Authorised
✓ Non-Authorised
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.

UC2825N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Lead Style
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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UC2825N Description

Short technical summary and product information.

The UC2825N from Texas Instruments is a versatile PWM (Pulse Width Modulation) controller IC optimized for high-frequency switched-mode power supply applications. It supports both voltage and current mode topologies, offering flexibility in design. Key electrical features include an operating voltage range of 8.4V to 30V, a maximum duty cycle of 80%, and a frequency range of 340kHz to 460kHz.

 

This controller integrates several protection and control features such as pulse-by-pulse current limiting, soft start, and under-voltage lockout with hysteresis. It provides dual totem pole outputs capable of sourcing and sinking high peak currents, making it suitable for driving power MOSFET gates. The device operates within an ambient temperature range of -40°C to 85°C.

 

The UC2825N is available in a 16-PDIP through-hole package, facilitating easy integration into various electronic circuits. Its design prioritizes minimizing propagation delays and maximizing error amplifier bandwidth for efficient power conversion.

 

Note: This part is not recommended for new designs.

UC2825N Quick Information

Product Type: PWM Controller
Series: UC1825
Canonical Name: UC2825N High Speed PWM Controller
Subcategory: DC/DC Switching Regulators

UC2825N Compliance

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

UC2825N Estimated Pricing

Qty Low High
1+ $3.37 $3.37

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

UC2825N Features

  • High-speed PWM controller for SMPS.
  • Supports voltage or current mode topologies.
  • Wide 8.4V to 30V operating voltage.
  • Integrated soft start and current limiting.
  • 1.5A peak output current capability.

UC2825N Applications

  • Optimized for high-frequency power supplies.
  • Suitable for boost and flyback converters.
  • Used in forward and half-bridge topologies.
  • Designed for push-pull converter circuits.

UC2825N FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the UC2825N?

8.4V to 30V.

What is the operating temperature range?

-40°C to 85°C.

What package does the UC2825N come in?

16-DIP (0.300", 7.62mm) through-hole package.

What is the oscillator frequency range?

340kHz to 460kHz.

What is the maximum duty cycle?

80%.

What is the peak output current capability?

1.5A.

What is the typical propagation delay?

50ns.

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