UC2577TDKTTT-ADJ The UC2577TDKTTT-ADJ is an adjustable switching regulator from Texas Instruments. It supports a wide input voltage range and features a 3A output switch.
Mfr Part #:

UC2577TDKTTT-ADJ

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The UC2577TDKTTT-ADJ is an adjustable switching regulator from Texas Instruments. It supports a wide input voltage range and features a 3A output switch.
✓ Total Stock: 6,505 pcs
$ Price Range: $1.08

UC2577TDKTTT-ADJ Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
4,500 pcs
4500 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
2,005 pcs
2005 pcs On Request 1 On Request On Request 24+ On Request On Request

UC2577TDKTTT-ADJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Duty Cycle (Max)
Efficiency
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

UC2577TDKTTT-ADJ Description

Short technical summary and product information.

The Texas Instruments UC2577TDKTTT-ADJ is a versatile integrated circuit designed for step-up (boost), flyback, and forward converter applications. It offers an adjustable output voltage and requires few external components for operation.

 

Key electrical specifications include a wide input voltage range from 3.0V to 40V and an internal NPN output switch capable of handling up to 3.0A. The device operates with a fixed internal oscillator frequency of 52kHz. It incorporates current-mode operation for improved transient response and line regulation, along with undervoltage lockout and thermal shutdown for protection.

 

This regulator is available in a surface-mount DDPAK/TO-263-5 package, suitable for various electronic designs. The operating temperature range is -40°C to 125°C (TJ). Its design facilitates simple boost and flyback converter configurations, making it a practical choice for power management solutions.

 

Features such as soft-start function provide controlled startup, reducing in-rush current. The output switch is protected by current limit, undervoltage lockout, and thermal shutdown, enhancing reliability in demanding applications.

UC2577TDKTTT-ADJ Quick Information

Product Type: Switching Regulator
Canonical Name: UC2577TDKTTT-ADJ Adjustable Step-Up/Step-Down Switching Regulator
Subcategory: DC DC Switching Regulator

UC2577TDKTTT-ADJ Compliance

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

UC2577TDKTTT-ADJ Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

UC2577TDKTTT-ADJ Features

  • Input voltage range from 3V to 40V.
  • Adjustable output voltage from 1.23V to 60V.
  • Features a 3A switch current limit.
  • Supports Boost, Flyback, Forward, SEPIC topologies.
  • Operates from -40°C to 125°C.

UC2577TDKTTT-ADJ Applications

  • Used in various power supply designs.
  • Suitable for voltage boosting applications.
  • Applicable in flyback converter circuits.
  • Integrated into forward converter designs.
  • Utilized in SEPIC converter configurations.

UC2577TDKTTT-ADJ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the UC2577TDKTTT-ADJ?

The input voltage range for the UC2577TDKTTT-ADJ is from 3V to 40V.

What is the typical output voltage of the UC2577TDKTTT-ADJ?

The typical output voltage of the UC2577TDKTTT-ADJ is 12V.

What is the maximum switch current limit for the UC2577TDKTTT-ADJ?

The maximum switch current limit for the UC2577TDKTTT-ADJ is 3A.

What is the operating temperature range of the UC2577TDKTTT-ADJ?

The UC2577TDKTTT-ADJ operates within a temperature range of -40°C to 125°C.

What type of package does the UC2577TDKTTT-ADJ come in?

The UC2577TDKTTT-ADJ comes in a TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package.

What is the typical efficiency of the UC2577TDKTTT-ADJ?

The typical efficiency of the UC2577TDKTTT-ADJ is 80% when VIN = 5V and I LOAD = 800mA.

What is the typical oscillator frequency of the UC2577TDKTTT-ADJ?

The typical oscillator frequency of the UC2577TDKTTT-ADJ is 52kHz.

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