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KA3843B, in 3D

KA3843B

onsemi

0℃~+70℃ 14mA 52kHz External DIP-8 DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSConsemi/KA3843B
Category
DC DC Controllers
Package
DIP-8
Pins
8

Overview

The KA3843B is a DC DC Controller made by onsemi in a DIP-8 package with 8 pins. 0℃~+70℃ 14mA 52kHz External DIP-8 DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:UTC3845E, from EasyEDA) and its footprint (Package_DIP:DIP-8_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C184548).

Symbol

Vref8Vcc7OUTPUT6GND5RT/CT4CURRENT SENSE3VFB2COMP1
EasyEDA_Cloud:UTC3845EFrom EasyEDA

Footprint

12345678
Package_DIP:DIP-8_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Parameters

4
Frequency - Switching
52kHz
Operating Temperature
0℃~+70℃
Quiescent Current
14mA
Switch tube (built-in/external)
External

Order codes

1

Pinout

8
The pins of the KA3843B
PinNameType
1COMPUnspecified
2VFBUnspecified
3CURRENT SENSEUnspecified
4RT/CTUnspecified
5GNDUnspecified
6OUTPUTUnspecified
7VccUnspecified
8VrefUnspecified

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Questions

Is there a KiCad symbol and footprint for the KA3843B?

Yes. The symbol is EasyEDA_Cloud:UTC3845E and the footprint Package_DIP:DIP-8_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the KA3843B?

DIP-8, with 8 pins. Its footprint is drawn on this page.

Where is the KA3843B datasheet?

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

Where can I order the KA3843B?

JLCPCB lists it as part C184548, with 0 in stock; the sellers' links on this page open their listings.

What can replace the KA3843B?

Parts like it in the library: the UC2844BN by STMicroelectronics, the UC2842ANG4 by Texas Instruments, the UC2843NG4 by Texas Instruments and the UC2844ANG4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8