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UC2843AD8TR The Texas Instruments UC2843AD8TR is a current mode PWM controller designed for AC/DC and DC/DC converters. It operates within a voltage range of 7.6V to 30V.
Mfr Part #:

UC2843AD8TR

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2843AD8TR is a current mode PWM controller designed for AC/DC and DC/DC converters. It operates within a voltage range of 7.6V to 30V.
✓ Total Stock: 141,528 pcs
$ Price Range: $0.34

UC2843AD8TR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
72,320 pcs
On Request
72320 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
66,666 pcs
On Request
66666 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,531 pcs
On Request
1531 pcs On Request 1 On Request On Request On Request On Request On Request
Rayichip ✓
Non-Authorised Inventory information
1,011 pcs
On Request
1011 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.

UC2843AD8TR 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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UC2843AD8TR Description

Short technical summary and product information.

The UC2843AD8TR from Texas Instruments is a current mode PWM controller optimized for off-line and DC-DC converters. It features a wide operating voltage range of 7.6V to 30V and can operate at frequencies up to 500kHz, with a maximum duty cycle of 96%.

 

This controller supports multiple topologies including Boost, Buck, Flyback, and Forward. It is designed for surface mount applications and comes in an 8-SOIC package. Key features include low start-up current, undervoltage lockout with hysteresis, and a high-current totem pole output.

 

The UC2843AD8TR is suitable for applications requiring efficient power conversion and precise control. Its robust design and versatile features make it a reliable choice for various power supply designs.

UC2843AD8TR Quick Information

Product Type: DC DC Switching Controller
Series: UCx84xA
Canonical Name: UC2843AD8TR Current Mode PWM Controller
Subcategory: Current Mode PWM Controller

UC2843AD8TR Compliance

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

UC2843AD8TR Estimated Pricing

Qty Low High
1+ $0.34 $0.34

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

UC2843AD8TR Features

  • Current mode PWM controller
  • Operates from 7.6V to 30V
  • Up to 500kHz switching frequency
  • 96% maximum duty cycle
  • 8-SOIC surface mount package

UC2843AD8TR Applications

  • Optimized for off-line converters
  • Suitable for DC-DC converters
  • Supports Boost topology
  • Supports Buck topology
  • Supports Flyback topology

UC2843AD8TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2843AD8TR?

The UC2843AD8TR operates within a voltage range of 7.6V to 30V.

What is the maximum switching frequency of the UC2843AD8TR?

The UC2843AD8TR can operate at frequencies up to 500kHz.

What is the maximum duty cycle for the UC2843AD8TR?

The maximum duty cycle for the UC2843AD8TR is 96%.

What is the operating temperature range for the UC2843AD8TR?

The operating temperature range for the UC2843AD8TR is -40°C to 85°C.

What package type is the UC2843AD8TR available in?

The UC2843AD8TR is available in an 8-SOIC package.

What type of PWM controller is the UC2843AD8TR?

The UC2843AD8TR is a current mode PWM controller.

What power supply topologies does the UC2843AD8TR support?

The UC2843AD8TR supports Boost, Buck, Flyback, and Forward topologies.

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