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LM2574BWM on a board, in 3D

LM2574BWM

Microchip Technology

-40℃~+85℃ 1 1.23V~37V 40V 500mA 52kHz Adjustable Buck Buck Built-in No SOIC-14-300mil DC-DC Converters

Extended
DatasheetJLCPCBLCSCmicrochip/LM2574BWM
Category
DC DC Converters
Package
SOIC-14-300mil
Pins
5

Overview

The LM2574BWM is a DC DC Converter made by Microchip Technology in a SOIC-14-300mil package with 14 pins. -40℃~+85℃ 1 1.23V~37V 40V 500mA 52kHz Adjustable Buck Buck Built-in No SOIC-14-300mil DC-DC Converters.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM2574-33BWM TR, from EasyEDA) and its footprint (Package_SO:SOIC-14W_7.5x9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3751274).

Symbol

NC1NC2FB3SIG GND4ON/OFF5PWR GND6NC7NC8NC9VIN10NC11OUTPUT12NC13NC14
EasyEDA_Cloud:LM2574-33BWM TRFrom EasyEDA

Footprint

1234567891011121314
Package_SO:SOIC-14W_7.5x9mm_P1.27mmFrom KiCad's library

Parameters

11
Function
Step-down type
Input Voltage
40V
Number of Outputs
1
Operating Temperature
-40℃~+85℃
Output Current (Max)
500mA
Output Type
Adjustable
Output Voltage
1.23V~37V
Switch tube (built-in/external)
内置
Switching Frequency
52kHz
Synchronous Rectification
NO
Topology
Step-down

Order codes

1

Pinout

14
The pins of the LM2574BWM
PinNameType
1NCUnspecified
2NCUnspecified
3FBUnspecified
4SIG GNDUnspecified
5ON/OFFUnspecified
6PWR GNDUnspecified
7NCUnspecified
8NCUnspecified
9NCUnspecified
10VINUnspecified
11NCUnspecified
12OUTPUTUnspecified
13NCUnspecified
14NCUnspecified

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A picture
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Questions

Is there a KiCad symbol and footprint for the LM2574BWM?

Yes. The symbol is EasyEDA_Cloud:LM2574-33BWM TR and the footprint Package_SO:SOIC-14W_7.5x9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM2574BWM?

SOIC-14-300mil, with 14 pins. Its footprint is drawn on this page.

Where is the LM2574BWM datasheet?

Microchip Technology publishes it: the Datasheet link on this page opens it.

Where can I order the LM2574BWM?

JLCPCB lists it as part C3751274, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM2574BWM?

Parts like it in the library: the LM2574MX-3.3 by Texas Instruments, the LM2574MX-ADJ by Texas Instruments, the LM2574M-12 by Texas Instruments and the LM2574M-ADJ by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8