UCC28C43DRG4 The Texas Instruments UCC28C43DRG4 is a low-power, current-mode PWM controller designed for DC/DC switching applications. It operates within a voltage range of 7.6V to 18V and supports frequencies up to 1MHz.
Mfr Part #:

UCC28C43DRG4

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC28C43DRG4 is a low-power, current-mode PWM controller designed for DC/DC switching applications. It operates within a voltage range of 7.6V to 18V and supports frequencies up to 1MHz.
✓ Total Stock: 106,353 pcs
$ Price Range: $0.78

UCC28C43DRG4 Available from 1 distributor

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✓ Non-Authorised
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UCC28C43DRG4 Specifications Quick View

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

UCC28C43DRG4 Description

Short technical summary and product information.

The UCC28C43DRG4 from Texas Instruments is a versatile current-mode Pulse Width Modulation (PWM) controller. It is designed for a variety of DC/DC converter topologies including Boost, Flyback, and Forward configurations.

 

This controller operates within a voltage range of 7.6V to 18V and supports switching frequencies up to 1MHz. Key features include a maximum duty cycle of 96%, fast cycle-by-cycle overcurrent limiting with a response time of 35ns, and a low operating current of 2.3mA at 52kHz. It also includes an accurate 2.5V error amplifier reference.

 

The UCC28C43DRG4 is available in an 8-SOIC package, suitable for surface mount applications. Its operating temperature range is -40°C to 105°C (TJ). This device serves as an enhanced replacement for older UCx84x and UCx84xA family parts, offering pin-to-pin compatibility with upgraded functionality.

UCC28C43DRG4 Quick Information

Product Type: DC DC Switching Controller
Series: UCC28C43
Canonical Name: UCC28C43DRG4 Current Mode PWM Controller
Subcategory: DC/DC Controllers

UCC28C43DRG4 Compliance

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

UCC28C43DRG4 Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UCC28C43DRG4 Features

  • Current-mode PWM controller for DC/DC.
  • Supports Boost, Flyback, and Forward topologies.
  • Operates at frequencies up to 1MHz.
  • Fast cycle-by-cycle overcurrent limiting.
  • Available in 8-SOIC package.

UCC28C43DRG4 Applications

  • Used in DC/DC power supplies.
  • Suitable for multi-topology converters.
  • Ideal for space-constrained designs.
  • Enhanced replacement for older controllers.

UCC28C43DRG4 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the UCC28C43DRG4?

The input voltage range is 7.6V to 18V.

What is the maximum switching frequency?

The maximum switching frequency is 1MHz.

What is the operating temperature range?

The operating junction temperature range is -40°C to 105°C.

What package is the UCC28C43DRG4 available in?

It is available in an 8-SOIC surface mount package.

What is the maximum duty cycle?

The maximum duty cycle is 96%.

What is the peak driving current?

The peak driving current is ±1A.

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