L5987

STMicroelectronics

-40℃~+125℃ 1 2.4mA 2.9V~18V 250kHz~1MHz 3A Adjustable Buck Buck Built-in No VFQFPN-8(3x3) DC-DC Converters ROHS

Extended

Category: DC DC Converters
Package: VFQFPN-8(3x3)
Pins: 8

Overview

The L5987 is a DC DC Converter made by STMicroelectronics in a VFQFPN-8(3x3) package with 9 pins. -40℃~+125℃ 1 2.4mA 2.9V~18V 250kHz~1MHz 3A Adjustable Buck Buck Built-in No VFQFPN-8(3x3) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L5987TR, from EasyEDA) and its footprint (EasyEDA_Cloud:DFN-8_L3.0-W3.0-P0.50-LS3.0-BL-EP, from EasyEDA), ready for a KiCad board. 10 are in stock at JLCPCB (part C157379). 1 open-source board in 1 repository on GitHub use it.

Symbol

EasyEDA_Cloud:L5987TRFrom EasyEDA

Footprint

EasyEDA_Cloud:DFN-8_L3.0-W3.0-P0.50-LS3.0-BL-EPFrom EasyEDA

Parameters

Features: Hiccup current limiting
Frequency - Switching: 250kHz~1MHz
Function: Step-down type
Number of Outputs: 1
Operating Temperature: -40℃~+125℃
Output Current: 3A
Output Type: Adjustable
Output Voltage: 600mV~18V
Quiescent Current: 2.4mA
Switch tube (built-in/external): Built-in
Synchronous Rectifier: No
Topology: Buck
Voltage - Supply: 2.9V~18V

Order codes

L5987TRLCSC C157379

Pinout

The pins of the L5987
Pin	Name	Type
1	OUT	Unspecified
2	SYNCH	Unspecified
3	INH	Unspecified
4	COMP	Output
5	FB	Unspecified
6	FSW	Unspecified
7	GND	Unspecified
8	VCC	Unspecified
9	Thermal Pad	Unspecified

Open-source boards using it

All 1

2 layers68 × 40 mm
Master
Kybernetika-SPSE/DMP_Vagner

74 parts

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A live frame, for any web page

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A picture

<img src="https://pcbkit.io/embed/parts/st/L5987.jpg" alt="L5987" width="1200" height="900">

A picture that opens the part, for a README

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Questions

Is there a KiCad symbol and footprint for the L5987?

Yes. The symbol is EasyEDA_Cloud:L5987TR and the footprint EasyEDA_Cloud:DFN-8_L3.0-W3.0-P0.50-LS3.0-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the L5987?

VFQFPN-8(3x3), with 9 pins. Its footprint is drawn on this page.

Where is the L5987 datasheet?

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

Where can I order the L5987?

JLCPCB lists it as part C157379, with 10 in stock; the sellers' links on this page open their listings.

Which open-source boards use the L5987?

1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.