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UCC38C44DR The Texas Instruments UCC38C44DR is a current-mode PWM controller designed for efficient power management. It operates within a 9V to 18V range and supports frequencies up to 1MHz.
Mfr Part #:

UCC38C44DR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC38C44DR is a current-mode PWM controller designed for efficient power management. It operates within a 9V to 18V range and supports frequencies up to 1MHz.
✓ Total Stock: 5,310 pcs
$ Price Range: $0.35

UCC38C44DR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
2,810 pcs
On Request
2810 pcs On Request 1 On Request On Request On Request 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
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.

UCC38C44DR 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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UCC38C44DR Description

Short technical summary and product information.

The Texas Instruments UCC38C44DR is a high-performance, current-mode PWM controller. It is an enhanced BiCMOS version offering pin-for-pin compatibility with the UCx84xA and UCx84x families. This controller features low power consumption and faster current sense and oscillator frequency.

 

Key electrical specifications include an operating voltage range of 9V to 18V, a maximum duty cycle of 48%, and an operating frequency of up to 1MHz. It offers features such as frequency control, fast cycle-by-cycle overcurrent limiting (35ns), and a peak driving current of ±1A. The device includes a ±1% accurate 2.5V error amplifier reference and undervoltage lockout protections.

 

The UCC38C44DR is available in an 8-SOIC package, suitable for surface mount applications. Its design is optimized for various topologies including Boost, Flyback, and Forward converters, making it a versatile component for power supply designs.

UCC38C44DR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UCC38C44DR Current-Mode PWM Controller
Subcategory: DC DC Switching Controllers

UCC38C44DR Compliance

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

UCC38C44DR Estimated Pricing

Qty Low High
1+ $0.35 $0.35

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

UCC38C44DR Features

  • Current-mode PWM controller
  • 9V to 18V operating voltage range
  • Up to 1MHz operating frequency
  • 48% maximum duty cycle
  • 8-SOIC surface mount package

UCC38C44DR Applications

  • Suitable for Boost converters
  • Ideal for Flyback converters
  • Used in Forward converter designs
  • Offline switching regulator applications

UCC38C44DR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UCC38C44DR?

The operating voltage range is 9V to 18V.

What is the maximum duty cycle of the UCC38C44DR?

The maximum duty cycle is 48%.

What is the operating frequency of the UCC38C44DR?

The operating frequency is up to 1MHz.

What is the operating temperature range for the UCC38C44DR?

The operating temperature range is 0°C to 70°C (TJ).

What package type is the UCC38C44DR available in?

The UCC38C44DR is available in an 8-SOIC package.

What topologies does the UCC38C44DR support?

The UCC38C44DR supports Boost, Flyback, and Forward converter topologies.

What is the peak driving current for the UCC38C44DR?

The peak driving current is ±1A.

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