LM2574N-ADJ

$1.45

Description：IC REG BUCK BST ADJ 500MA 8PDIP
Series：-
Mfr：onsemi
Package：Tube

SKU:4fc8d51dcb40 Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LM2574N-ADJ is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG BUCK BST ADJ 500MA 8PDIP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2574N-ADJ

Description：IC REG BUCK BST ADJ 500MA 8PDIP
Series：-
Mfr：onsemi
Package：Tube
Function：Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Buck, Boost, Buck-Boost
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：500mA
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：8-DIP (0.300", 7.62mm)
Supplier Device Package：8-PDIP
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2574N-ADJ

LM2574N-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2574N-ADJ is a SIMPLE SWITCHER power regulator from onsemi, configured as a step-down (buck) switching voltage regulator. It operates with an input voltage range up to 40V and provides an adjustable output voltage between 1.23V and 37V. The device guarantees a maximum output current of 0.5A and utilizes a fixed internal oscillator frequency of 52kHz. It is housed in an 8-pin PDIP package designed for through-hole mounting. Key electrical specifications include a wide operating temperature range from -40°C to +125°C and a typical standby current of less than 200µA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates all active circuitry required for a buck converter, minimizing external component count
Includes thermal shutdown and current limit protection mechanisms
Supports shutdown capability for low-power standby mode operation

Voltage Regulators - DC DC Switching Regulators Applications

Simple high-efficiency step-down regulators
Efficient pre-regulators for linear regulators
On-card switching regulators
Positive to negative converters

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer origin, as this part number is historically associated with National Semiconductor and may be produced by onsemi following their acquisition. Confirm the specific datasheet revision and RoHS compliance status directly with the supplier or manufacturer documentation before procurement to ensure alignment with project requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, through-hole buck regulator is needed for inputs up to 40V. It is suitable for applications requiring adjustable output voltages within the 1.23V to 37V range. Consider the 52kHz switching frequency and 0.5A current limit when designing the external inductor and capacitor values for optimal performance and stability.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2574 family of switching regulators, which are known for ease of use and high efficiency. The 'N' suffix indicates a through-hole PDIP package, while 'ADJ' denotes the adjustable output version. This family is widely used in industrial and commercial power supply designs where reliability and simple implementation are prioritized.