LM2575IN

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> Semiconductors - ICs

> Power Management

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Details for Texas Instruments

LM2575IN

1-A Simple Step-Down Adjustable Voltage Switching Regulator with Output Enable
Buy Directly from Texas Instruments (3948 in Stock)
$0.7800 per unit
Series Information for LM2575IN - Texas Instruments

Features

  • feature
    52-kHz (Typical) Fixed-Frequency Internal Oscillator
  • feature
    Adjustable With a Range of 1.23 V to 37 V and u00b14% Regulation (Max) Over Line, Load, and Temperature Conditions
  • feature
    For the Full Offering of Voltages (Including Fixed-
  • feature
    High Efficiencyu2026as High as 88% (Typical)
  • feature
    Specified 1-A Output Current
  • feature
    TTL Shutdown Capability With 50-u03bcA (Typical) Standby Current
  • feature
    Thermal Shutdown and Current-Limit Protection With Cycle-by-Cycle Current Limiting
  • feature
    Uses Readily Available Standard Inductors
  • feature
    Wide Input Voltage Range 4.75 V to 40 V

Description

IC SIMPLE SW VOLT REG 1A 16-DIP
The LM2575 device greatly simplifies the design of switching power supplies by conveniently providing all the active functions needed for a step-down (buck) switching regulator in an integrated circuit. Accepting a wide input voltage range and available in an adjustable output version, the LM2575 has an integrated switch capable of delivering 1 A of load current, with excellent line and load regulation. The device also offers internal frequency compensation, a fixed-frequency oscillator, cycle-by-cycle current limiting, and thermal shutdown. In addition, a manual shutdown is available through an external ON/OFF pin. The LM2575 represents a superior alternative to popular three-terminal linear regulators. Due to its high efficiency, it significantly reduces the size of the heat sink and, in many cases, no heat sink is required. Optimized for use with standard series of inductors available from several different manufacturers, the LM2575 greatly simplifies the design of switch-mode power supplies by requiring a minimal addition of only four to six external components for operation. The LM2575 is characterized for operation over the virtual junction temperature range of –40°C to 125°C.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
4.75V
Input Voltage Max:
40V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
DIP
No. of Pins:
16Pins
Output Current:
1A
Output Voltage Min:
1.23V
Output Voltage Max:
37V
Switching Frequency:
63kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Min:
1.23V
Base Number:
2575
Frequency:
52kHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Voltage:
37V
Primary Input Voltage:
40V
Supply Voltage Min:
4.75V
Termination Type:
Through Hole
Voltage Regulator Type:
Step Down (Buck)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 4.75V to 40V 16-Pin PDIP Tube

Avnet America product

Texas Instruments

1-A Simple Step-Down Adjustable Voltage Switching Regulator with Output Enable

Texas Instruments product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

Conrad product