UC2845DTR The Texas Instruments UC2845DTR is a current mode PWM controller designed for DC-to-DC converters. It operates at frequencies up to 500kHz with a maximum duty cycle of 48%.
Mfr Part #:

UC2845DTR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2845DTR is a current mode PWM controller designed for DC-to-DC converters. It operates at frequencies up to 500kHz with a maximum duty cycle of 48%.
Total Stock: 1,693 pcs
$ Price Range: $0.48

UC2845DTR 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
1,000 pcs
1000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
693 pcs
693 pcs On Request 1 On Request On Request 18+ On Request On Request

UC2845DTR Specifications Quick View

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

UC2845DTR Description

Short technical summary and product information.

The Texas Instruments UC2845DTR is a versatile current mode PWM controller suitable for various off-line and DC-to-DC converter topologies including Boost, Buck, Flyback, and Forward.

 

This controller features peak current mode control and operates at frequencies up to 500kHz, with a maximum duty cycle of 48%. It includes essential features like adjustable switching frequency, current limiting, dead time control, an error amplifier, and a totem-pole output stage. The device is designed for efficient power management applications.

 

Packaged in a 14-SOIC surface mount package, the UC2845DTR is optimized for applications requiring precise control and high switching frequencies. Its operating temperature range is -40°C to 85°C (TA), making it suitable for a wide array of environmental conditions.

 

Key electrical characteristics include an operating voltage range of 12V to 28V and a single output configuration. The controller is designed for positive output and isolation capable applications, with no synchronous rectifier or clock sync capabilities.

UC2845DTR Quick Information

Product Type: DC DC Switching Controller
Series: UC2845
Canonical Name: UC2845DTR Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC2845DTR Compliance

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

UC2845DTR Estimated Pricing

Qty Low High
1+ $0.48 $0.48

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

UC2845DTR Features

  • Peak current mode PWM controller
  • Operates up to 500kHz frequency
  • Maximum duty cycle of 48%
  • Supports multiple converter topologies
  • Surface mount 14-SOIC package

UC2845DTR Applications

  • Ideal for DC-to-DC converters
  • Suitable for off-line power supplies
  • Used in Boost converter designs
  • Applicable to Buck converter designs
  • Flyback and Forward converter applications

UC2845DTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2845DTR?

The operating voltage range for the UC2845DTR is 12V to 28V.

What is the maximum operating frequency of the UC2845DTR?

The UC2845DTR can operate at frequencies up to 500kHz.

What is the maximum duty cycle for the UC2845DTR?

The maximum duty cycle for the UC2845DTR is 48%.

What is the operating temperature range for the UC2845DTR?

The UC2845DTR operates in a temperature range of -40°C to 85°C (TA).

What type of package is the UC2845DTR in?

The UC2845DTR is available in a 14-SOIC package.

What mounting type does the UC2845DTR use?

The UC2845DTR uses surface mount technology.

What control mode does the UC2845DTR utilize?

The UC2845DTR utilizes peak current mode control.

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