L7985

STMicroelectronicsExtended

-40℃~+150℃ 1 2.4mA 250kHz~1MHz 2A 4.5V~38V 600mV~38V Adjustable Buck Buck Built-in No VFQFPN-10(3x3) DC-DC Converters ROHS

Datasheet JLCPCB LCSC

Part id: st/L7985
Category: DC DC Converters
Package: VFQFPN-10(3x3)
Pins: 10
In stock: 0 at JLCPCB (C155591)
Used on: 1 open-source board

Overview

The L7985 is a DC DC Converter made by STMicroelectronics in a VFQFPN-10(3x3) package with 11 pins. -40℃~+150℃ 1 2.4mA 250kHz~1MHz 2A 4.5V~38V 600mV~38V Adjustable Buck Buck Built-in No VFQFPN-10(3x3) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L7985TR, from EasyEDA) and its footprint (EasyEDA_Cloud:VFQFPN-10_L3.0-W3.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C155591). 1 open-source board in 1 repository on GitHub use it.

Symbol

EasyEDA_Cloud:L7985TRFrom EasyEDA

Footprint

EasyEDA_Cloud:VFQFPN-10_L3.0-W3.0-P0.50-BL-EPFrom EasyEDA

Pinout

The pins of the L7985
Pin	Name	Type
1	OUT	Unspecified
2	OUT	Unspecified
3	SYNCH	Unspecified
4	EN	Unspecified
5	COMP	Unspecified
6	FB	Unspecified
7	FSW	Unspecified
8	GND	Unspecified
9	VCC	Unspecified
10	VCC	Unspecified
11	EP	Unspecified

Parameters

Features: Overcurrent Protection, Cycle-by-cycle current limiting, Frequency synchronization, External compensation
Frequency - Switching: 250kHz~1MHz
Function: Step-down type
Number of Outputs: 1
Operating Temperature: -40℃~+150℃
Output Current: 2A
Output Type: Adjustable
Output Voltage: 600mV~38V
Quiescent Current: 2.4mA
Switch tube (built-in/external): Built-in
Synchronous Rectifier: No
Topology: Buck
Voltage - Supply: 4.5V~38V

Order codes

L7985TRLCSC C155591

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Open-source boards using it

4 layers202.5 × 307.5 mm
Element foxtrot
visionspacetec/VST104-Foxtrot
VST104 Flat-Sat board - referred as element_foxtrot
147 parts5

Questions

Is there a KiCad symbol and footprint for the L7985?

Yes. The symbol is EasyEDA_Cloud:L7985TR and the footprint EasyEDA_Cloud:VFQFPN-10_L3.0-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 L7985?

VFQFPN-10(3x3), with 11 pins. Its footprint is drawn on this page.

Where is the L7985 datasheet?

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

Where can I order the L7985?

JLCPCB lists it as part C155591, with 0 in stock; the sellers' links on this page open their listings.

Which open-source boards use the L7985?

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