LM2575D2T-ADJR4
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onsemi LM2575D2T-ADJR4

Manufacturer No:
LM2575D2T-ADJR4
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC REG BUCK ADJ 1A D2PAK-5
Delivery:
Payment:
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Product Introduction

Overview

The LM2575D2T-ADJR4 is a part of the LM2575 series of monolithic integrated circuits designed by onsemi. These regulators are ideally suited for the easy and convenient design of step-down switching regulators (buck converters). The LM2575 series is capable of driving a 1.0 A load with excellent line and load regulation. This particular model, the LM2575D2T-ADJR4, is an adjustable output version, offering a wide range of output voltages from 1.23 V to 37 V.

The device is packaged in a TO-263-5 (D2PAK5) surface mount package and is known for its high efficiency, especially when compared to traditional three-terminal linear regulators. It requires only a few external components to function, making it a simplified solution for power supply design.

Key Specifications

Parameter Value Unit
Topology Buck
Input Voltage 4.75 V to 40 V
Output Current (Max) 1 A
Output Type Adjustable
Switching Frequency (Max) 52 kHz
Operating Temperature Range -40°C to +125°C
Duty Cycle (Max) 98%
Efficiency 77% %
Number of Outputs 1
Quiescent Current 9 mA
Storage Temperature Range -65°C to +150°C
Moisture Sensitivity Level 1
Package Style TO-263-5 (D2PAK5)
Mounting Method Surface Mount

Key Features

  • Adjustable output voltage range of 1.23 V to 37 V ±4% maximum over line and load conditions
  • Guaranteed 1.0 A output current
  • Wide input voltage range: 4.75 V to 40 V
  • Requires only 4 external components
  • 52 kHz fixed frequency internal oscillator
  • TTL shutdown capability, low power standby mode
  • High efficiency
  • Uses readily available standard inductors
  • Thermal shutdown and current limit protection
  • Moisture Sensitivity Level (MSL) equals 1
  • Pb-free packages are available

Applications

The LM2575D2T-ADJR4 is suitable for a variety of applications where a high-efficiency step-down switching regulator is required. These include:

  • Power supplies for electronic devices
  • Industrial control systems
  • Automotive systems (with NCV prefix for automotive and other applications requiring unique site and control change requirements)
  • Consumer electronics
  • Telecommunications equipment

Q & A

  1. What is the input voltage range of the LM2575D2T-ADJR4?

    The input voltage range is from 4.75 V to 40 V.

  2. What is the maximum output current of the LM2575D2T-ADJR4?

    The maximum output current is 1 A.

  3. What is the switching frequency of the LM2575D2T-ADJR4?

    The switching frequency is 52 kHz.

  4. What is the operating temperature range of the LM2575D2T-ADJR4?

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

  5. Does the LM2575D2T-ADJR4 have thermal shutdown protection?
  6. How many external components are required for the LM2575D2T-ADJR4 to function?
  7. What is the package style of the LM2575D2T-ADJR4?
  8. Is the LM2575D2T-ADJR4 Pb-free?
  9. What is the efficiency of the LM2575D2T-ADJR4?
  10. Does the LM2575D2T-ADJR4 have TTL shutdown capability?

Product Attributes

Function:Step-Down
Output Configuration:Positive
Topology:Buck
Output Type:Adjustable
Number of Outputs:1
Voltage - Input (Min):4.75V
Voltage - Input (Max):40V
Voltage - Output (Min/Fixed):1.23V
Voltage - Output (Max):37V
Current - Output:1A
Frequency - Switching:52kHz
Synchronous Rectifier:No
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Supplier Device Package:D2PAK-5
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Similar Products

Part Number LM2575D2T-ADJR4 LM2575D2T-ADJR4G
Manufacturer onsemi onsemi
Product Status Obsolete Active
Function Step-Down Step-Down
Output Configuration Positive Positive
Topology Buck Buck
Output Type Adjustable Adjustable
Number of Outputs 1 1
Voltage - Input (Min) 4.75V 4.75V
Voltage - Input (Max) 40V 40V
Voltage - Output (Min/Fixed) 1.23V 1.23V
Voltage - Output (Max) 37V 37V
Current - Output 1A 1A
Frequency - Switching 52kHz 52kHz
Synchronous Rectifier No No
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount
Package / Case TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Supplier Device Package D2PAK-5 D2PAK-5

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