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UC3844AD8TR The Texas Instruments UC3844AD8TR is a current mode PWM controller designed for DC-DC switching applications. It operates within a voltage range of 10V to 30V and supports frequencies up to 500kHz.
Mfr Part #:

UC3844AD8TR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3844AD8TR is a current mode PWM controller designed for DC-DC switching applications. It operates within a voltage range of 10V to 30V and supports frequencies up to 500kHz.
✓ Total Stock: 7,030 pcs
$ Price Range: $0.31

UC3844AD8TR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
7,030 pcs
On Request
7030 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.

UC3844AD8TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Sync
Control Features
Duty Cycle (Max)
Features
Frequency
Function
Industrial Grade
Lead Spacing
Lead Style
Medical Grade
Military Grade
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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UC3844AD8TR Description

Short technical summary and product information.

The UC3844AD8TR from Texas Instruments is a current mode Pulse Width Modulation (PWM) controller. It is optimized for off-line and DC-DC converters, supporting topologies such as Boost, Buck, Flyback, and Forward.

 

This controller operates with a voltage input range of 10V to 30V and can achieve frequencies up to 500kHz. It features a maximum duty cycle of 48% and is designed for surface mount applications in an 8-SOIC package. Key control features include frequency control, current limiting, and dead time control.

 

The device is suitable for applications requiring precise power management and switching control. Its design incorporates features like automatic feedforward compensation and pulse-by-pulse current limiting for enhanced performance and load response characteristics.

UC3844AD8TR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC3844AD8TR Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC3844AD8TR Compliance

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

UC3844AD8TR Estimated Pricing

Qty Low High
1+ $0.31 $0.31

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

UC3844AD8TR Features

  • Current mode PWM controller
  • Operates from 10V to 30V
  • Up to 500kHz switching frequency
  • Surface mount 8-SOIC package
  • Supports multiple converter topologies

UC3844AD8TR Applications

  • Used in DC-DC converters
  • Suitable for off-line power supplies
  • Power management applications
  • Switching regulator designs

UC3844AD8TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC3844AD8TR?

The UC3844AD8TR operates from 10V to 30V.

What is the maximum switching frequency of the UC3844AD8TR?

The maximum switching frequency is 500kHz.

What is the maximum duty cycle of the UC3844AD8TR?

The maximum duty cycle is 48%.

What is the operating temperature range of the UC3844AD8TR?

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

What package does the UC3844AD8TR come in?

The UC3844AD8TR comes in an 8-SOIC surface mount package.

What topologies does the UC3844AD8TR support?

It supports boost, buck, flyback, and forward topologies.

What control mode does the UC3844AD8TR use?

It uses peak current mode control.

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