L6738

STMicroelectronics

-40℃~+125℃@(TJ) 1 200kHz Buck Buck Built-in Yes VFQFPN-16(3x3) DC-DC Converters ROHS

Extended

st/L6738

Category: DC DC Converters
Package: VFQFPN-16(3x3)
Pins: 17

Overview

The L6738 is a DC DC Converter made by STMicroelectronics in a VFQFPN-16(3x3) package with 17 pins. -40℃~+125℃@(TJ) 1 200kHz Buck Buck Built-in Yes VFQFPN-16(3x3) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:L6738TR, from EasyEDA) and its footprint (EasyEDA_Cloud:VFQFPN-16_L3.0-W3.0-P0.50-TL-EP1.6, from EasyEDA), ready for a KiCad board. 29 are in stock at JLCPCB (part C2657951).

Symbol

EasyEDA_Cloud:L6738TRFrom EasyEDA

Footprint

EasyEDA_Cloud:VFQFPN-16_L3.0-W3.0-P0.50-TL-EP1.6From EasyEDA

Parameters

Frequency - Switching: 200kHz
Function: Step-down type
Number of Outputs: 1
Operating Temperature: -40℃~+125℃@(TJ)
Switch tube (built-in/external): Built-in
Switching Frequency: 200kHz
Synchronous Rectification: Yes
Synchronous Rectifier: Yes
Topology: Buck

Order codes

L6738TRLCSC C2657951

Pinout

The pins of the L6738
Pin	Name	Type
1	VCCDR	Unspecified
2	LGATE	Unspecified
3	PHASE	Unspecified
4	BOOT	Unspecified
5	UGATE	Unspecified
6	PGOOD	Unspecified
7	SYNCH	Unspecified
8	COMP	Unspecified
9	FB	Unspecified
10	VSEN	Unspecified
11	FBG	Unspecified
12	CSN	Unspecified
13	CSP	Unspecified
14	OSC/EN	Unspecified
15	VCC	Unspecified
16	GND	Unspecified
17	EP	Unspecified

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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/L6738.jpg" alt="L6738" width="1200" height="900">

A picture that opens the part, for a README

[![L6738](https://pcbkit.io/embed/parts/st/L6738.jpg?size=s)](https://pcbkit.io/parts/st/L6738)

Questions

Is there a KiCad symbol and footprint for the L6738?

Yes. The symbol is EasyEDA_Cloud:L6738TR and the footprint EasyEDA_Cloud:VFQFPN-16_L3.0-W3.0-P0.50-TL-EP1.6, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the L6738?

VFQFPN-16(3x3), with 17 pins. Its footprint is drawn on this page.

Where can I order the L6738?

JLCPCB lists it as part C2657951, with 29 in stock; the sellers' links on this page open their listings.

What can replace the L6738?

Parts like it in the library: the PM8903A by STMicroelectronics, the L6738A by STMicroelectronics and the ISL8025AIRTAJZ-T by Renesas Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.