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UC2843D The Texas Instruments UC2843D is a current mode PWM controller designed for DC-to-DC converters. It operates with an input voltage range of 12V to 28V and supports multiple topologies.
Mfr Part #:

UC2843D

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2843D is a current mode PWM controller designed for DC-to-DC converters. It operates with an input voltage range of 12V to 28V and supports multiple topologies.
✓ Total Stock: 3,000 pcs
$ Price Range: $0.73

UC2843D Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 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.

UC2843D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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UC2843D Description

Short technical summary and product information.

The UC2843D from Texas Instruments is a versatile current mode PWM controller suitable for off-line and DC-to-DC power supply designs. It supports multiple topologies including Boost, Buck, Buck-Boost, Flyback, and Forward configurations.

 

This controller features an operating voltage range of 12V to 28V and can operate at frequencies up to 500kHz, with a maximum duty cycle of 97%. It is designed for surface mount applications in a 14-SOIC package and operates within an ambient temperature range of -40°C to 85°C.

 

Key features include frequency control, a transistor driver output, and positive, isolation-capable output configuration. The UC2843D is optimized for efficient power management in various electronic systems.

UC2843D Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2843D Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC2843D Compliance

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

UC2843D Estimated Pricing

Qty Low High
1+ $0.73 $0.73

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

UC2843D Features

  • Current mode PWM controller for DC-to-DC.
  • Supports Boost, Buck, and Flyback topologies.
  • Operates up to 500kHz frequency.
  • Wide 12V to 28V input voltage range.
  • Surface mount 14-SOIC package.

UC2843D Applications

  • Used in DC-to-DC power supplies.
  • Suitable for off-line converters.
  • Ideal for switching regulator designs.
  • Power management applications.

UC2843D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the UC2843D?

12V to 28V.

What is the package type of the UC2843D?

14-SOIC (0.154", 3.90mm Width)

What is the operating temperature range?

-40°C to 85°C

What is the maximum switching frequency?

Up to 500kHz

What is the maximum duty cycle?

97%

What topologies does the UC2843D support?

Boost, Buck, Buck-Boost, Flyback, Forward

What is the output type?

Transistor Driver

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