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Texas Instruments TL2575HV-ADJIKTTR

Part No.:
TL2575HV-ADJIKTTR
Manufacturer:
Texas Instruments
Category:
Voltage Regulators - DC DC Switching Regulators
Package:
TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Description:
IC REG BUCK ADJ 1A TO263
Quantity:

Unit Price:$0

Ext Price:$0

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Product Details

TL2575HV-ADJIKTTR - High Voltage Adjustable Step-Down Switching Regulator (Buck, TO-263-5)

TL2575HV-ADJIKTTR is a high-voltage adjustable buck switching regulator from Texas Instruments, designed for efficient DC-DC step-down power conversion in industrial and embedded applications. It integrates a high-efficiency switching regulator architecture with adjustable output capability, supporting stable power delivery with reduced external component count.

This page provides engineering-oriented product overview and selection reference information. Always verify electrical limits and thermal requirements using the official Texas Instruments datasheet.

Overview

TL2575HV-ADJIKTTR belongs to the TL2575HV high-voltage switching regulator family, optimized for efficient step-down power conversion with simplified circuit implementation. The device integrates an internal switching transistor and control circuitry, allowing designers to build compact power supplies with minimal external components.

The adjustable-output configuration provides flexibility for a wide range of voltage rails, making it suitable for industrial automation, communication systems, embedded controllers, and distributed power architectures requiring efficient voltage regulation from higher DC inputs.

Design note: Proper PCB thermal layout, input bypassing, and inductor selection are critical for stable switching performance and optimal efficiency in high-voltage buck applications.

Key Advantages

High input voltage capability

Supports high-voltage DC input operation for industrial and telecom power systems.

Adjustable output voltage

Flexible feedback configuration allows customized regulated output voltages.

Reduced external components

Integrated regulator architecture simplifies power supply implementation.

Efficient switching topology

Buck conversion architecture provides improved efficiency over linear regulators.

Feature Summary

Topology

Integrated buck (step-down) switching regulator.

Output type

Adjustable output voltage configuration.

Switching frequency

Optimized fixed-frequency operation for simplified filtering design.

Package

Available in thermally efficient TO-263-5 / D2PAK-5 package.

Package & Footprint

The TL2575HV-ADJIKTTR is supplied in a TO-263-5 (D2PAK-5) surface-mount power package designed for improved thermal dissipation and automated PCB assembly.

Layout recommendations
  • Use wide copper traces for VIN, SW, and GND paths.
  • Keep switching loop area as small as possible.
  • Place input/output capacitors close to device pins.
  • Provide thermal copper area beneath the package tab.

Always refer to the official Texas Instruments datasheet for recommended land pattern dimensions.

Pin Functions

The device integrates power switching and feedback control pins for adjustable DC-DC regulation.

VIN
Input supply voltage connection for regulator operation.
SWITCH
Switching node connected to external inductor and diode network.
FB
Feedback input used to set adjustable output voltage.
GND
Ground reference and power return path.

Key Specifications

Device Type High Voltage Buck Switching Regulator
Output Configuration Adjustable
Topology Step-Down (Buck)
Switching Frequency Fixed Frequency Regulator
Package TO-263-5 / D2PAK-5
Mounting Type Surface Mount
Operating Temperature Industrial Temperature Range
Manufacturer Texas Instruments

Equivalent

Common alternative switching regulators with similar functionality include:

Microchip
Step-down SMPS regulator with comparable switching regulator functionality and D2PAK package option.
Diodes Incorporated
Adjustable buck regulator suitable for embedded power conversion applications.
onsemi
Widely used adjustable switching regulator with higher current capability and industrial support.

Verify switching frequency, thermal characteristics, pin compatibility, and efficiency performance before replacement.

Manufacturer Information

Texas Instruments (TI) is a leading semiconductor manufacturer specializing in analog ICs, power management devices, embedded processors, and industrial electronic solutions.

  • Core expertise: Power management, analog ICs, embedded processors
  • Target markets: Industrial, automotive, communications, consumer electronics
  • Engineering support: Extensive reference designs and application documentation

Applications

The TL2575HV-ADJIKTTR is commonly used in power conversion and embedded supply systems:

Industrial Automation

Efficient DC rail generation for controllers and industrial electronics.

Embedded Systems

Step-down power regulation for microcontrollers and communication modules.

Telecom Equipment

High-voltage input conversion for networking and communication infrastructure.

Distributed Power Systems

Localized voltage regulation for multi-rail electronic systems.

Quality & Authenticity

  • Traceable sourcing and inventory management
  • ESD-safe handling and packaging procedures
  • Recommended authenticity verification for supply-chain reliability
Note: Power management ICs should be sourced from authorized channels for critical industrial and long-life applications.

FAQ

What type of regulator is TL2575HV-ADJIKTTR?
It is a high-voltage adjustable buck (step-down) switching regulator.
Is external compensation required?
In most standard applications, the device is designed for simplified implementation with minimal external circuitry.
What should be considered during PCB layout?
Keep switching current loops short and provide adequate thermal copper area for heat dissipation.

Disclaimer

All technical information is provided for reference and engineering evaluation purposes only. Always refer to the official Texas Instruments datasheet for final product specifications and design validation.

TL2575HV-ADJIKTTR Information

  • Specifications
  • Tags
Product attributes
Attribute value
Manufacturer:
Texas Instruments
Series:
-
Package/Case:
TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Packaging:
Tape & Reel (TR)
Product Status:
Active
Function:
Step-Down
Output Configuration:
Positive
Topology:
Buck
Output Type:
Adjustable
Number of Outputs:
1
Voltage - Input (Min):
4.75V
Voltage - Input (Max):
60V
Voltage - Output (Min/Fixed):
1.23V
Voltage - Output (Max):
57V
Current - Output:
1A
Frequency - Switching:
52kHz
Synchronous Rectifier:
No
Operating Temperature:
-40°C ~ 125°C (TJ)
Grade:
-
Qualification:
-
Mounting Type:
Surface Mount
Supplier Device Package:
TO-263 (DDPAK-5)
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