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SC2450ISWTRT on a board, in 3D

SC2450ISWTRT

SEMTECH

-40℃~+85℃@(TA) 1MHz 2 Buck Buck Built-in Yes SOIC-28-300mil DC-DC Converters ROHS

Extended
JLCPCBLCSCsemtech/SC2450ISWTRT
Category
DC DC Converters
Package
SOIC-28-300mil
Pins
28

Overview

The SC2450ISWTRT is a DC DC Converter made by SEMTECH in a SOIC-28-300mil package with 28 pins. -40℃~+85℃@(TA) 1MHz 2 Buck Buck Built-in Yes SOIC-28-300mil DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SC2450ISWTRT, from EasyEDA) and its footprint (Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2658638).

Symbol

FB11COMP12NC3BG4FB25COMP26REGDRV7ENABLE8PHASE29DRVH210BSTH211DRVL212BSTL213VCC14BSTL115DRVL116BSTH117DRVH118PHASE119PGND20OC+21OC-222OC-123EXTCLK24CLKOUT25NC26AGND27RREF28
EasyEDA_Cloud:SC2450ISWTRTFrom EasyEDA

Footprint

12345678910111213141516171819202122232425262728
Package_SO:SOIC-28W_7.5x17.9mm_P1.27mmFrom KiCad's library

Parameters

9
Features
External compensation；Frequency synchronization；Adjustable soft-start；Overcurrent Protection；Adjustable current limiting
Frequency - Switching
1MHz
Function
Step-down type
Number of Outputs
2
Operating Temperature
-40℃~+85℃@(TA)
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
Yes
Topology
Buck
Voltage - Supply
8.5V~30V

Order codes

1

Pinout

28
The pins of the SC2450ISWTRT
PinNameType
1FB1Unspecified
2COMP1Unspecified
3NCUnspecified
4BGUnspecified
5FB2Unspecified
6COMP2Unspecified
7REGDRVUnspecified
8ENABLEUnspecified
9PHASE2Unspecified
10DRVH2Unspecified
11BSTH2Unspecified
12DRVL2Unspecified
13BSTL2Unspecified
14VCCUnspecified
15BSTL1Unspecified
16DRVL1Unspecified
17BSTH1Unspecified
18DRVH1Unspecified
19PHASE1Unspecified
20PGNDUnspecified
21OC+Unspecified
22OC-2Unspecified
23OC-1Unspecified
24EXTCLKUnspecified
25CLKOUTUnspecified
26NCUnspecified
27AGNDUnspecified
28RREFUnspecified

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A picture
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[![SC2450ISWTRT](https://pcbkit.io/embed/parts/semtech/SC2450ISWTRT.jpg?size=s)](https://pcbkit.io/parts/semtech/SC2450ISWTRT)

Questions

Is there a KiCad symbol and footprint for the SC2450ISWTRT?

Yes. The symbol is EasyEDA_Cloud:SC2450ISWTRT and the footprint Package_SO:SOIC-28W_7.5x17.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SC2450ISWTRT?

SOIC-28-300mil, with 28 pins. Its footprint is drawn on this page.

Where can I order the SC2450ISWTRT?

JLCPCB lists it as part C2658638, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SC2450ISWTRT?

Parts like it in the library: the CS5302GDWR28 by onsemi, the CS5305GDW28 by onsemi, the CS5308GDW28 by onsemi and the CS5322GDWR28 by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8