LM3431AMHX

Texas InstrumentsExtended

-40℃~+125℃ 200kHz~1MHz 200mA 3 5V~36V Analog、PWM Boost HTSSOP-28-EP LED Drivers ROHS

Part id: ti/LM3431AMHX
Category: LED Drivers
Package: HTSSOP-28-EP
Pins: 29
In stock: 0 at JLCPCB (C2862762)

Overview

The LM3431AMHX is a LED Driver made by Texas Instruments in a HTSSOP-28-EP package with 29 pins. -40℃~+125℃ 200kHz~1MHz 200mA 3 5V~36V Analog、PWM Boost HTSSOP-28-EP LED Drivers ROHS.

PCBKit's library has its KiCad symbol (Celestial_Driver_LED:TI LM3431AMH, from Altium's library) and its footprint (EasyEDA_Cloud:HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP-4, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2862762).

Symbol

Celestial_Driver_LED:TI LM3431AMHFrom Altium's library

Footprint

EasyEDA_Cloud:HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP-4From EasyEDA

Pinout

The pins of the LM3431AMHX
Pin	Name	Type
1	VIN	Passive
2	PGND	Passive
3	VCC	Passive
4	LG	Passive
5	CS	Passive
6	ILIM	Passive
7	MODE/F	Passive
8	FF	Passive
9	RT	Passive
10	REF	Passive
11	REFIN	Passive
12	COMP	Passive
13	SGND	Passive
14	AFB	Passive
15	SS/SH	Passive
16	DLY	Passive
17	CFB	Passive
18	SC	Passive
19	LEDOFF	Passive
20	SNS3	Passive
21	NDRV3	Passive
22	SNS2	Passive
23	NDRV2	Passive
24	SNS1	Passive
25	NDRV1	Passive
26	THM	Passive
27	DIM	Passive
28	EN	Passive
29	DAP	Passive

Parameters

Dimming: PWM；Analog
Features: Over Voltage Protection；LED open-circuit protection；Built-in soft-start；Over-Temperature Protection (OTP)；Short Circuit Protection
Frequency - Switching: 200kHz~1MHz
Number of Channels: 3
Operating temperature: -40℃~+125℃
Output Current: 200mA
Topology: Boost
Voltage - Input(DC): 5V~36V

Order codes

LM3431AMHX/NOPBLCSC C2862762

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Parts like it

BD8381EFV-ME2
HTSSOP-B28-40℃~+125℃ 1 200kHz~600kHz 5V~30V Buck-Boost DC-DC External PWM HTSSOP-B28 LED Drivers ROHSROHM SemiconductorLED Drivers

Questions

Is there a KiCad symbol and footprint for the LM3431AMHX?

Yes. The symbol is Celestial_Driver_LED:TI LM3431AMH and the footprint EasyEDA_Cloud:HTSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP-4, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LM3431AMHX?

HTSSOP-28-EP, with 29 pins. Its footprint is drawn on this page.

Where is the LM3431AMHX datasheet?

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

Where can I order the LM3431AMHX?

JLCPCB lists it as part C2862762, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LM3431AMHX?

Parts like it in the library: the BD8381EFV-ME2 by ROHM Semiconductor. Check their datasheets: a part that fits the footprint may still differ in its ratings.