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UCC28C42DGK The Texas Instruments UCC28C42DGK is a BiCMOS low-power current-mode PWM controller. It operates at frequencies up to 1MHz and features ±1A peak output current.
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UCC28C42DGK

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC28C42DGK is a BiCMOS low-power current-mode PWM controller. It operates at frequencies up to 1MHz and features ±1A peak output current.
✓ Total Stock: 2,774 pcs
$ Price Range: $0.78

UCC28C42DGK Available from 1 distributor

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✓ Non-Authorised
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2,774 pcs
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2774 pcs On Request 1 On Request On Request On Request On Request On Request
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UCC28C42DGK Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Control Method
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UCC28C42DGK Description

Short technical summary and product information.

The UCC28C42DGK from Texas Instruments is a high-performance, BiCMOS current-mode PWM controller. It serves as an enhanced, pin-to-pin compatible replacement for the UCx84x and UCx84xA families. This controller is designed for switch-mode power supplies and general-purpose DC-DC converters.

 

Key electrical specifications include a maximum operating frequency of 1MHz, a low startup current of 50μA, and a low operating current of 2.3mA at 52kHz. It offers fast, cycle-by-cycle overcurrent limiting in 35ns and a peak output current capability of ±1A with rail-to-rail output swings. The device features a ±1% accurate 2.5V error amplifier reference and trimmed oscillator discharge current.

 

The UCC28C42DGK is suitable for various topologies including Boost, Flyback, and Forward converters. It operates within a voltage range of 9V to 18V and has undervoltage lockout thresholds. The controller is specified for operation from -40°C to 105°C.

 

Packaged in an 8-VSSOP, this component minimizes board space. The mounting type is surface mount, and it comes in an 8-TSSOP, 8-MSOP package configuration. The standard package quantity is 2500 units on Tape & Reel.

UCC28C42DGK Quick Information

Product Type: DC DC Switching Controller
Series: UCC28C4x
Canonical Name: UCC28C42DGK BiCMOS Low-Power Current-Mode PWM Controller
Subcategory: Current Mode

UCC28C42DGK Compliance

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

UCC28C42DGK Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UCC28C42DGK Features

  • BiCMOS low-power current-mode PWM controller
  • Enhanced replacement for UCx84x/UCx84xA families
  • 1MHz maximum operating frequency
  • ±1A peak output current capability
  • 8-VSSOP package minimizes board space

UCC28C42DGK Applications

  • Ideal for switch-mode power supplies
  • Suitable for DC-DC converters
  • Used in off-line isolated converters
  • Applicable to board mount power modules

UCC28C42DGK FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UCC28C42DGK?

The operating voltage range is 9V to 18V.

What package is the UCC28C42DGK available in?

The UCC28C42DGK is available in 8-VSSOP or 8-MSOP (0.118", 3.00mm width) surface mount package.

What is the operating temperature range?

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

What is the peak gate drive current?

The peak gate drive current is ±1A.

What is the maximum duty cycle?

The maximum duty cycle is 96%.

What topologies does this controller support?

It supports boost, buck, buck-boost, flyback, and forward topologies.

What control method does it use?

It uses peak current mode control.

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