LM3520SD

Texas Instruments

-40℃~+85℃ 1.1MHz 2 2.7V~5.5V 22.5V~23.2V 700mA Boost Built-in DC-DC PWM WSON-14(4x3) LED Drivers ROHS

Extended

Category: LED Drivers
Package: WSON-14(4x3)
Pins: 15

Overview

The LM3520SD is a LED Driver made by Texas Instruments in a WSON-14(4x3) package with 15 pins. -40℃~+85℃ 1.1MHz 2 2.7V~5.5V 22.5V~23.2V 700mA Boost Built-in DC-DC PWM WSON-14(4x3) LED Drivers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LM3520SD_NOPB, from EasyEDA) and its footprint (EasyEDA_Cloud:WSON-14_L4.0-W3.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C3188074).

Symbol

EasyEDA_Cloud:LM3520SD_NOPBFrom EasyEDA

Footprint

EasyEDA_Cloud:WSON-14_L4.0-W3.0-P0.50-BL-EPFrom EasyEDA

Parameters

Dimming: PWM
Features: Over Voltage Protection；Over-Temperature Protection (OTP)
Frequency - Switching: 1.1MHz
Number of Channels: 2
Operating temperature: -40℃~+85℃
Output Current: 700mA
Output Voltage: 22.5V~23.2V
Switch Tube (Built-In/External): Built-in
Topology: Boost
Type: DC-DC
Voltage - Input(DC): 2.7V~5.5V

Order codes

LM3520SD/NOPBLCSC C3188074

Pinout

The pins of the LM3520SD
Pin	Name	Type
1	VSW	Unspecified
2	VIN	Unspecified
3	AGND	Unspecified
4	NC	Unspecified
5	MAIN_EN	Unspecified
6	SUB_EN	Unspecified
7	PFM_EN	Unspecified
8	SUB_FB	Unspecified
9	VSUB	Unspecified
10	VO_MAIN	Unspecified
11	MAIN_FB	Unspecified
12	MAIN_RTN	Unspecified
13	DGND	Unspecified
14	NC	Unspecified
15	EP	Unspecified

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A picture

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A picture that opens the part, for a README

[![LM3520SD](https://pcbkit.io/embed/parts/ti/LM3520SD.jpg?size=s)](https://pcbkit.io/parts/ti/LM3520SD)

Questions

Is there a KiCad symbol and footprint for the LM3520SD?

Yes. The symbol is EasyEDA_Cloud:LM3520SD_NOPB and the footprint EasyEDA_Cloud:WSON-14_L4.0-W3.0-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 LM3520SD?

WSON-14(4x3), with 15 pins. Its footprint is drawn on this page.

Where is the LM3520SD datasheet?

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

Where can I order the LM3520SD?

JLCPCB lists it as part C3188074, with 0 in stock; the sellers' links on this page open their listings.