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UC2844J on a board, in 3D

UC2844J

Texas Instruments

-40℃~+85℃@(TA) 12V~28V 48% 500kHz Boost、Flyback、Buck、Forward CDIP-8 AC-DC Controllers and Regulators ROHS

Extended
DatasheetJLCPCBLCSCti/UC2844J
Category
AC DC Controllers And Regulators
Package
CDIP-8
Pins
8

Overview

The UC2844J is an AC DC Controllers And Regulator made by Texas Instruments in a CDIP-8 package with 8 pins. -40℃~+85℃@(TA) 12V~28V 48% 500kHz Boost、Flyback、Buck、Forward CDIP-8 AC-DC Controllers and Regulators ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:D3845F, from EasyEDA) and its footprint (EasyEDA_Cloud:PDIP-8_L9.6-W6.4-P2.54-LS7.6-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3190445).

Symbol

VREF8VCC7OUTPUT6GROUND5RT/CT4ISENSE3VFB2COMP1
EasyEDA_Cloud:D3845FFrom EasyEDA

Footprint

12345678
EasyEDA_Cloud:PDIP-8_L9.6-W6.4-P2.54-LS7.6-BLFrom EasyEDA

Parameters

10
Duty Cycle(Max)
48%
Features
Under-voltage lockout；Slope compensation
Frequency - Switching
500kHz
Operating Temperature
-40℃~+85℃
Output Current
1A
Output Voltage
5V
Pd - Power Dissipation
1W
Topology
Flyback；Forward；Boost；Buck
Voltage - Supply
12V~28V
Working Mode
PWM Modulation

Order codes

1

Pinout

8
The pins of the UC2844J
PinNameType
1COMPUnspecified
2VFBUnspecified
3ISENSEUnspecified
4RT/CTUnspecified
5GROUNDUnspecified
6OUTPUTUnspecified
7VCCUnspecified
8VREFUnspecified

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Questions

Is there a KiCad symbol and footprint for the UC2844J?

Yes. The symbol is EasyEDA_Cloud:D3845F and the footprint EasyEDA_Cloud:PDIP-8_L9.6-W6.4-P2.54-LS7.6-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the UC2844J?

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

Where is the UC2844J datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the UC2844J?

JLCPCB lists it as part C3190445, with 0 in stock; the sellers' links on this page open their listings.

What can replace the UC2844J?

Parts like it in the library: the UC3845BN by onsemi, the UC3843BN(LX) by lingxingic, the UC3845BN(LX) by lingxingic and the UC2842BN by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8