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UCC38C42DG4 The Texas Instruments UCC38C42DG4 is a BiCMOS Low-Power Current-Mode PWM Controller designed for DC/DC conversion applications. It operates up to 1MHz and comes in an 8-SOIC package.
Mfr Part #:

UCC38C42DG4

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC38C42DG4 is a BiCMOS Low-Power Current-Mode PWM Controller designed for DC/DC conversion applications. It operates up to 1MHz and comes in an 8-SOIC package.
✓ Total Stock: 1,298 pcs
$ Price Range: $0.78

UCC38C42DG4 Available from 1 distributor

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✓ Non-Authorised
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Braun Electronic Components ✓
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1,298 pcs
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UCC38C42DG4 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
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UCC38C42DG4 Description

Short technical summary and product information.

The Texas Instruments UCC38C42DG4 is a BiCMOS Low-Power Current-Mode PWM Controller. This device is an enhanced replacement for the UCx84x and UCx84xA families, offering pin-to-pin compatibility.

 

Key electrical specifications include operation up to 1MHz, a low standby current of 50µA, and a low operating current of 2.3mA at 52kHz. It features fast 35ns cycle-by-cycle over-current limiting and ±1A peak output current. The controller supports various topologies including Boost, Buck, Buck-Boost, Flyback, and Forward converters.

 

Packaged in an 8-SOIC, the UCC38C42DG4 is suitable for surface mount applications. It operates within a temperature range of 0°C to 70°C. The device includes features like an error amplifier reference and trimmed oscillator discharge current, with new undervoltage lockout versions available.

 

This controller is designed for applications requiring efficient power management, offering precise control over DC/DC conversion processes. Its features make it a versatile component for power supply designs.

UCC38C42DG4 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UCC38C42DG4 BiCMOS Low-Power Current-Mode PWM Controller
Subcategory: DC DC Switching Controllers

UCC38C42DG4 Compliance

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

UCC38C42DG4 Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UCC38C42DG4 Features

  • BiCMOS Low-Power Current-Mode PWM Controller.
  • Operates up to 1MHz frequency.
  • Low standby current of 50µA.
  • Fast 35ns over-current limiting.
  • Supports Boost, Flyback, and Forward topologies.

UCC38C42DG4 Applications

  • Ideal for DC/DC power conversion.
  • Used in offline switching power supplies.
  • Suitable for boost converter designs.
  • Applicable for flyback converter circuits.
  • Used in forward converter applications.

UCC38C42DG4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UCC38C42DG4?

The operating voltage range is from 9V to 18V.

What is the maximum operating temperature for the UCC38C42DG4?

The maximum operating temperature is 70°C.

What package type is the UCC38C42DG4 available in?

The UCC38C42DG4 is available in an 8-SOIC package.

What is the RoHS status of the UCC38C42DG4?

The UCC38C42DG4 is RoHS3 Compliant.

What is the maximum frequency for the UCC38C42DG4?

The maximum frequency is 1MHz.

What is the standby current of the UCC38C42DG4?

The standby current is 50µA.

What topologies does the UCC38C42DG4 support?

The UCC38C42DG4 supports Boost, Buck, Buck-Boost, Flyback, and Forward converter topologies.

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