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UC3876N The Texas Instruments UC3876N is a Full-Bridge offline switch controller. It operates at a 1MHz switching frequency and features current limiting fault protection.
Mfr Part #:

UC3876N

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3876N is a Full-Bridge offline switch controller. It operates at a 1MHz switching frequency and features current limiting fault protection.
✓ Total Stock: 86 pcs
$ Price Range: $0.75

UC3876N Available from 1 distributor

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✓ Non-Authorised
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86 pcs
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UC3876N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Fault Protection
Frequency
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Topology
Voltage
Voltage Supply
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UC3876N Description

Short technical summary and product information.

The UC3876N from Texas Instruments is an integrated circuit designed for offline switching power supply applications. It utilizes a Full-Bridge topology and operates at a switching frequency of 1MHz. This device is suitable for non-isolated output configurations.

 

Key electrical specifications include an operating voltage range of 9.5V to 20V, with a startup voltage of 15.25V. The duty cycle is rated at 100%. Fault protection is provided through current limiting, and control features include frequency control, soft start, and synchronization.

 

The UC3876N is available in a 20-PDIP package and is designed for through-hole mounting. It operates within a temperature range of 0°C to 70°C (TA). The packaging is supplied in a tube.

 

This component is categorized under AC DC Converters and Offline Switches, making it a choice for power management solutions requiring a robust and efficient switching controller.

UC3876N Quick Information

Product Type: Offline Switch Controller
Canonical Name: UC3876N Full-Bridge Offline Switch Controller
Subcategory: AC-DC Controllers & Regulators

UC3876N Compliance

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

UC3876N Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

UC3876N Features

  • Full-Bridge offline switch controller.
  • Operates at 1MHz switching frequency.
  • Wide supply voltage from 9.5V to 20V.
  • Features current limiting fault protection.
  • Through-hole mounting in 20-PDIP package.

UC3876N Applications

  • Used in offline full-bridge power supplies.
  • Ideal for high-frequency DC-DC converters.
  • Suitable for battery charging systems.
  • Designed for telecom power modules.

UC3876N FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the UC3876N?

9.5V to 20V.

What package is the UC3876N available in?

20-DIP (0.300", 7.62mm) through-hole package, also known as 20-PDIP.

What is the operating temperature range?

0°C to 70°C.

What is the switching frequency?

1 MHz.

What is the maximum duty cycle?

100%.

What fault protection does the UC3876N have?

Current limiting.

What is the startup voltage?

15.25V.

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