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UCD3138128APFC

The Texas Instruments UCD3138128APFC is a highly-integrated digital controller for isolated power applications. It features 128kB of Program Flash memory and operates at 2.1V.

✓ Total Stock: 2,040 pcs

$ Price Range: $15.70

UCD3138128APFC Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Optech Co.,Limited ✓ Non-Authorised Inventory information	2,040 pcs On Request	2040 pcs	On Request	1	On Request	On Request	24+	On Request	On Request

UCD3138128APFC Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	Power Supply Controllers, Monitors
Manufacturer Name	Texas Instruments
Applications	Digital Power Controller
Current	69mA
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C
Supplier Device Package	80-TQFP (12x12)
Voltage	2.1V

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UCD3138128APFC Description

Short technical summary and product information.

The UCD3138128APFC from Texas Instruments is a highly-integrated digital controller designed for isolated power applications. This device offers advanced control capabilities with 128kB of Program Flash memory, supporting firmware updates without shutting down the power supply.

Key electrical specifications include an operating voltage of 2.1V and an operating current of 69 mA. It features up to 8 high-resolution Digital Pulse Width Modulated (DPWM) outputs with 250 ps pulse width resolution and up to 2 MHz switching frequency. The controller includes a 16 MSPS Error A/D Converter (EADC) with configurable resolution and up to 8x oversampling.

Packaged in an 80-TQFP (12x12 mm) surface mount configuration, the UCD3138128APFC is suitable for various power management designs. It operates within a temperature range of -40°C to 125°C. The controller supports multiple feedback loops and offers features like synchronous rectifier dead time optimization and fault protection options.

This digital power controller is part of the UCD3138xA family and is designed for applications requiring precise and efficient power management. Its robust feature set makes it suitable for demanding power supply designs.

UCD3138128APFC Quick Information

Product Type: Power Supply Controller

Series: UCD3138xA

Canonical Name: UCD3138128A Highly-Integrated Digital Controller For Isolated Power

Subcategory: Power Supply Controllers

UCD3138128APFC Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

UCD3138128APFC Estimated Pricing

Qty	Low	High
1+	$15.70	$15.70

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

UCD3138128APFC Features

Highly-integrated digital controller for isolated power.
128kB Program Flash memory for firmware updates.
Up to 8 high-resolution DPWM outputs.
250 ps pulse width resolution.
Operates up to 2 MHz switching frequency.

UCD3138128APFC Applications

Digital power supply control loops.
High-frequency switching power converters.
Industrial power management systems.
Automotive power supply controllers.

UCD3138128APFC FAQs

6 frequently asked questions generated from this part’s specifications.

What is the operating temperature range for the UCD3138128APFC?

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

What package type is the UCD3138128APFC available in?

The UCD3138128APFC is available in an 80-TQFP package.

What is the program flash memory size for this controller?

The controller features 128kB of Program Flash memory.

What is the minimum resolution of the Error A/D Converter (EADC)?

The minimum resolution of the Error A/D Converter (EADC) is 1 mV/LSB.

How many Digital Pulse Width Modulated (DPWM) outputs does the UCD3138128APFC have?

The UCD3138128APFC has up to 8 high-resolution Digital Pulse Width Modulated (DPWM) outputs.

What is the switching frequency capability of this controller?

This controller can operate at a switching frequency of up to 2 MHz.