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UC2843AQD8RQ1 The Texas Instruments UC2843AQD8RQ1 is a current mode PWM controller designed for DC-to-DC converters. It operates within a voltage range of 7.6V to 30V and features an adjustable switching frequency up to 500kHz.
Mfr Part #:

UC2843AQD8RQ1

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2843AQD8RQ1 is a current mode PWM controller designed for DC-to-DC converters. It operates within a voltage range of 7.6V to 30V and features an adjustable switching frequency up to 500kHz.
✓ Total Stock: 16,807 pcs
$ Price Range: $0.66

UC2843AQD8RQ1 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
12,465 pcs
On Request
12465 pcs On Request 1 On Request On Request 21+ On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,842 pcs
On Request
1842 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.

UC2843AQD8RQ1 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
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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UC2843AQD8RQ1 Description

Short technical summary and product information.

The UC2843AQD8RQ1 from Texas Instruments is a current mode PWM controller suitable for various power supply topologies including Boost, Buck, Flyback, and Forward converters. It is qualified for automotive applications and offers an extended temperature performance from -40°C to 125°C.

 

Key electrical specifications include an operating voltage range of 7.6V to 30V and an adjustable switching frequency up to 500kHz. The controller features a maximum duty cycle of 96% and offers control features such as frequency control, current limiting, and dead time control. It has a low start-up current of less than 0.5mA and trimmed oscillator discharge current of 8.3mA.

 

Packaged in an 8-SOIC (0.154", 3.90mm Width) surface mount package, the UC2843AQD8RQ1 is optimized for off-line and DC-to-DC converters. Its design includes features like automatic feed-forward compensation, pulse-by-pulse current limiting, under-voltage lockout with hysteresis, and double-pulse suppression, making it a robust solution for power management applications.

UC2843AQD8RQ1 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2843AQD8RQ1 Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC2843AQD8RQ1 Compliance

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

UC2843AQD8RQ1 Estimated Pricing

Qty Low High
1+ $0.66 $0.66

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

UC2843AQD8RQ1 Features

  • Current mode PWM controller for power supplies.
  • Operates from 7.6V to 30V input voltage.
  • Adjustable switching frequency up to 500kHz.
  • Extended temperature range: -40°C to 125°C.
  • Automotive qualified 8-SOIC package.

UC2843AQD8RQ1 Applications

  • Optimized for off-line converters.
  • Suitable for DC-to-DC converters.
  • Used in automotive power systems.
  • Supports multiple switching topologies.

UC2843AQD8RQ1 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2843AQD8RQ1?

The operating voltage range is 7.6V to 30V.

What is the maximum operating frequency?

The maximum operating frequency is 500kHz.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What package type is the UC2843AQD8RQ1 supplied in?

It is supplied in an 8-SOIC package.

What is the RoHS status of this component?

This component is RoHS3 Compliant.

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