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TL494CDX on a board, in 3D

TL494CDX

onsemi

0℃~+70℃ 1 1kHz~300kHz 200mA 6mA 7V~40V Built-in LDO regulator External No Push-Pull Step-down type SOIC-16 DC-DC Converters

Extended
DatasheetJLCPCBLCSConsemi/TL494CDX
Category
DC DC Converters
Package
SOIC-16
Pins
5

Overview

The TL494CDX is a DC DC Converter made by onsemi in a SOIC-16 package with 16 pins. 0℃~+70℃ 1 1kHz~300kHz 200mA 6mA 7V~40V Built-in LDO regulator External No Push-Pull Step-down type SOIC-16 DC-DC Converters.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AZ494AP-E1, from EasyEDA) and its footprint (Package_SO:SO-16_3.9x9.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3192521).

Symbol

1IN+11IN−2FEEDBACK3DTC4CT5RT6GND7C18E19E210C211VCC12OUTPUTCTRL13REF142IN−152IN+16
EasyEDA_Cloud:AZ494AP-E1From EasyEDA

Footprint

12345678910111213141516
Package_SO:SO-16_3.9x9.9mm_P1.27mmFrom KiCad's library

Parameters

11
Features
Built-in LDO regulator
Frequency - Switching
1kHz~300kHz
Function
Step-down type
Number of Outputs
1
Operating Temperature
0℃~+70℃
Output Current
200mA
Quiescent Current
6mA
Switch tube (built-in/external)
External
Synchronous Rectifier
No
Topology
Push-Pull
Voltage - Supply
7V~40V

Order codes

1

Pinout

16
The pins of the TL494CDX
PinNameType
11IN+Unspecified
21IN−Unspecified
3FEEDBACKUnspecified
4DTCUnspecified
5CTUnspecified
6RTUnspecified
7GNDUnspecified
8C1Unspecified
9E1Unspecified
10E2Unspecified
11C2Unspecified
12VCCUnspecified
13OUTPUTCTRLUnspecified
14REFUnspecified
152IN−Unspecified
162IN+Unspecified

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A live frame, for any web page
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A picture
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A picture that opens the part, for a README
[![TL494CDX](https://pcbkit.io/embed/parts/onsemi/TL494CDX.jpg?size=s)](https://pcbkit.io/parts/onsemi/TL494CDX)

Questions

Is there a KiCad symbol and footprint for the TL494CDX?

Yes. The symbol is EasyEDA_Cloud:AZ494AP-E1 and the footprint Package_SO:SO-16_3.9x9.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the TL494CDX?

SOIC-16, with 16 pins. Its footprint is drawn on this page.

Where is the TL494CDX datasheet?

onsemi publishes it: the Datasheet link on this page opens it.

Where can I order the TL494CDX?

JLCPCB lists it as part C3192521, with 0 in stock; the sellers' links on this page open their listings.

What can replace the TL494CDX?

Parts like it in the library: the KA7500BDTR(XBLW) by XBLW, the LT1534IS#PBF by Analog Devices, the MAX710ESE+T by Maxim Integrated (Analog Devices) and the LT1777CS#TRPBF by Analog Devices. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8