LM2598S-5.0 The Texas Instruments LM2598S-5.0 is a 1A step-down (buck) switching voltage regulator. It operates with an input voltage range up to 40V and features a fixed 5V output.
Mfr Part #:

LM2598S-5.0

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2598S-5.0 is a 1A step-down (buck) switching voltage regulator. It operates with an input voltage range up to 40V and features a fixed 5V output.
✓ Total Stock: 5,500 pcs
$ Price Range: $0.16

LM2598S-5.0 Available from 1 distributor

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LM2598S-5.0 Specifications Quick View

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

LM2598S-5.0 Description

Short technical summary and product information.

The LM2598S-5.0 is a monolithic integrated circuit from Texas Instruments designed for step-down (buck) switching regulator applications. It is capable of driving a 1A load with excellent line and load regulation. This device operates at a fixed switching frequency of 150 kHz, allowing for the use of smaller external filter components compared to lower-frequency regulators.

 

Key electrical specifications include an input voltage range from 4.5V up to 40V and a fixed output voltage of 5V. It provides a maximum output current of 1A. The regulator features internal frequency compensation, shutdown/soft-start capability, and thermal shutdown and current limit protection for robust operation.

 

Available in a TO-263-7 (DDPAK/TO-263-7) surface mount package, the LM2598S-5.0 is suitable for various on-card switching regulator applications. The operating temperature range is -40°C to 125°C (TJ). It requires a minimum number of external components for operation, simplifying design and implementation.

LM2598S-5.0 Quick Information

Product Type: DC DC Switching Regulator
Series: LM2598
Canonical Name: LM2598S-5.0 Buck Converter
Subcategory: Buck Converter

LM2598S-5.0 Compliance

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

LM2598S-5.0 Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

LM2598S-5.0 Features

  • 1A output current capability.
  • Wide 4.5V to 40V input voltage range.
  • Fixed 5V output voltage.
  • 150kHz switching frequency.
  • TO-263-7 surface mount package.

LM2598S-5.0 Applications

  • Simple high-efficiency step-down regulator.
  • Efficient preregulator for linear regulators.
  • On-card switching regulators.
  • Positive to negative voltage conversion.

LM2598S-5.0 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM2598S-5.0?

The input voltage range is from 4.5V (minimum) up to 40V (maximum).

What is the output voltage of the LM2598S-5.0?

The LM2598S-5.0 provides a fixed output voltage of 5V.

What is the maximum output current of the LM2598S-5.0?

The maximum output current is 1A.

What is the switching frequency of the LM2598S-5.0?

The switching frequency is 150 kHz.

What is the operating temperature range of the LM2598S-5.0?

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

What package options are available for the LM2598S-5.0?

The LM2598S-5.0 is available in surface mount DDPAK/TO-263-7 and through-hole TO-220 packages.

What control mode does the LM2598S-5.0 use?

The LM2598S-5.0 uses voltage mode control.

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