UC3842ADTR The Texas Instruments UC3842ADTR is a current mode PWM controller designed for efficient power management. It operates within a voltage range of 10V to 30V and supports frequencies up to 500kHz.
Mfr Part #:

UC3842ADTR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3842ADTR is a current mode PWM controller designed for efficient power management. It operates within a voltage range of 10V to 30V and supports frequencies up to 500kHz.
✓ Total Stock: 61,146 pcs
$ Price Range: $0.42

UC3842ADTR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
60,267 pcs
60267 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
879 pcs
879 pcs On Request 1 On Request On Request On Request On Request On Request

UC3842ADTR 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 Spacing
Lead Style
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

UC3842ADTR Description

Short technical summary and product information.

The UC3842ADTR from Texas Instruments is a versatile current mode PWM controller suitable for various DC-DC power supply applications. It supports multiple topologies including Boost, Buck, Flyback, and Forward configurations.

 

This controller features a wide operating voltage range of 10V to 30V and can operate at frequencies up to 500kHz, with a maximum duty cycle of 96%. Key control features include frequency control, and it is designed for surface mount applications in a 14-SOIC package.

 

Optimized for off-line and DC-DC converters, the UC3842ADTR offers features such as low start-up current, trimmed oscillator discharge, automatic feedforward compensation, and pulse-by-pulse current limiting. It also includes undervoltage lockout with hysteresis and double pulse suppression, making it a robust choice for power supply designs.

UC3842ADTR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC3842ADTR Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC3842ADTR Compliance

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

UC3842ADTR Estimated Pricing

Qty Low High
1+ $0.42 $0.42

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

UC3842ADTR Features

  • Current mode PWM controller
  • 10V to 30V operating voltage
  • Up to 500kHz switching frequency
  • 14-SOIC surface mount package
  • Supports multiple topologies

UC3842ADTR Applications

  • Used in DC-DC converters
  • Suitable for off-line power supplies
  • Ideal for Boost applications
  • Applicable to Buck configurations
  • Designed for Flyback circuits

UC3842ADTR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC3842ADTR?

The UC3842ADTR operates within a voltage range of 10V to 30V.

What package type is the UC3842ADTR available in?

The UC3842ADTR is available in a 14-SOIC package.

What is the maximum operating temperature for the UC3842ADTR?

The maximum operating temperature for the UC3842ADTR is 70°C.

What is the maximum duty cycle for the UC3842ADTR?

The maximum duty cycle for the UC3842ADTR is 96%.

What topologies does the UC3842ADTR support?

The UC3842ADTR supports Boost, Buck, Flyback, and Forward topologies.

What is the maximum frequency for the UC3842ADTR?

The UC3842ADTR operates at frequencies up to 500kHz.

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