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LM5039SQ

Texas InstrumentsExtended

-40℃~+125℃@(TJ) 1 13V~105V 200kHz、500kHz External Half-Bridge Overcurrent Protection、Adjustable soft-start、Cycle-by-cycle current limiting、Adjustable current limiting、Frequency synchronization、Hiccup current limiting Yes WQFN-24-EP(4x5) DC-DC Converters ROHS

Part id
ti/LM5039SQ
Category
DC DC Controllers
Package
WQFN-24-EP(4x5)
Pins
24
In stock
0 at JLCPCB (C2657984)

Overview

The LM5039SQ is a DC DC Controller made by Texas Instruments in a WQFN-24-EP(4x5) package with 25 pins. -40℃~+125℃@(TJ) 1 13V~105V 200kHz、500kHz External Half-Bridge Overcurrent Protection、Adjustable soft-start、Cycle-by-cycle current limiting、Adjustable current limiting、Frequency synchronization、Hiccup current limiting Yes WQFN-24-EP(4x5) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM5039SQ_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WQFN-24_L5.0-W4.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2657984).

Symbol

NC1ACL2COMP3RT4AGND5CS6SS7DLY8RES9NC10HB11HS12HO13LO14PGND15VCC16SR217SR118REF19NC20VIN21NC22RAMP23UVLO24EP25
EasyEDA_Cloud:LM5039SQ_NOPBFrom EasyEDA

Footprint

25
EasyEDA_Cloud:WQFN-24_L5.0-W4.0-P0.50-BL-EPFrom EasyEDA

Pinout

25
The pins of the LM5039SQ
PinNameType
1NCUnspecified
2ACLUnspecified
3COMPUnspecified
4RTUnspecified
5AGNDUnspecified
6CSUnspecified
7SSUnspecified
8DLYUnspecified
9RESUnspecified
10NCUnspecified
11HBUnspecified
12HSUnspecified
13HOUnspecified
14LOUnspecified
15PGNDUnspecified
16VCCUnspecified
17SR2Unspecified
18SR1Unspecified
19REFUnspecified
20NCUnspecified
21VINUnspecified
22NCUnspecified
23RAMPUnspecified
24UVLOUnspecified
25EPUnspecified

Parts like it

4

Questions

Is there a KiCad symbol and footprint for the LM5039SQ?

Yes. The symbol is EasyEDA_Cloud:LM5039SQ_NOPB and the footprint EasyEDA_Cloud:WQFN-24_L5.0-W4.0-P0.50-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM5039SQ?

WQFN-24-EP(4x5), with 25 pins. Its footprint is drawn on this page.

Where is the LM5039SQ datasheet?

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

Where can I order the LM5039SQ?

JLCPCB lists it as part C2657984, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM5039SQ?

Parts like it in the library: the LM5035BSQX by Texas Instruments, the LM5035SQ by Texas Instruments, the LM5039SQX by Texas Instruments and the LM5035CSQX by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.