Skip to the content
PCBKitNew board
XR76203EL-Q, in 3D

XR76203EL-Q

MaxLinear

-40℃~+125℃@(TJ) 1 3A 5.5V~40V 600mV~40V 800kHz Adjustable Buck Buck Built-in Yes QFN-30(5x5) DC-DC Converters ROHS

Extended
DatasheetJLCPCBLCSCmaxlinear/XR76203EL-Q
Category
DC DC Converters
Package
QFN-30(5x5)
Pins
34

Overview

The XR76203EL-Q is a DC DC Converter made by MaxLinear in a QFN-30(5x5) package with 31 pins. -40℃~+125℃@(TJ) 1 3A 5.5V~40V 600mV~40V 800kHz Adjustable Buck Buck Built-in Yes QFN-30(5x5) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:XR76203EL-Q, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-30_L5.0-W5.0-P0.50-BL_XR76108XX, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C1355852).

Symbol

ILIM1EN/MODE2TON3SS4PGOOD5FB6AGND7VIN8VCC9AGND10SW11SW12SW13SW14PGND15PGND16PGND17PGND18PGND19SW20PVIN21PVIN22PVIN23PVIN24PVIN25PVIN26PVIN27PVIN28SW29BST30PGND31
EasyEDA_Cloud:XR76203EL-QFrom EasyEDA

Footprint

112131
EasyEDA_Cloud:QFN-30_L5.0-W5.0-P0.50-BL_XR76108XXFrom EasyEDA

Parameters

13
Features
Overcurrent Protection, Light load efficient mode, Adjustable soft-start, Operating status indication, Adjustable current limiting, Hiccup current limiting
Frequency - Switching
800kHz
Function
Step-down type
Number of Outputs
1
Operating Temperature
-40℃~+125℃@(TJ)
Output Current
3A
Output Type
Adjustable
Output Voltage
600mV~40V
Quiescent Current
700uA
Switch tube (built-in/external)
Built-in
Synchronous Rectifier
Yes
Topology
Buck
Voltage - Supply
5.5V~40V

Order codes

1

Pinout

31
The pins of the XR76203EL-Q
PinNameType
1ILIMUnspecified
2EN/MODEUnspecified
3TONUnspecified
4SSUnspecified
5PGOODUnspecified
6FBUnspecified
7AGNDUnspecified
8VINUnspecified
9VCCUnspecified
10AGNDUnspecified
11SWUnspecified
12SWUnspecified
13SWUnspecified
14SWUnspecified
15PGNDUnspecified
16PGNDUnspecified
17PGNDUnspecified
18PGNDUnspecified
19PGNDUnspecified
20SWUnspecified
21PVINUnspecified
22PVINUnspecified
23PVINUnspecified
24PVINUnspecified
25PVINUnspecified
26PVINUnspecified
27PVINUnspecified
28PVINUnspecified
29SWUnspecified
30BSTUnspecified
31PGNDUnspecified

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/maxlinear/XR76203EL-Q" title="XR76203EL-Q in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/maxlinear/XR76203EL-Q.jpg" alt="XR76203EL-Q" width="1200" height="900">
A picture that opens the part, for a README
[![XR76203EL-Q](https://pcbkit.io/embed/parts/maxlinear/XR76203EL-Q.jpg?size=s)](https://pcbkit.io/parts/maxlinear/XR76203EL-Q)

Questions

Is there a KiCad symbol and footprint for the XR76203EL-Q?

Yes. The symbol is EasyEDA_Cloud:XR76203EL-Q and the footprint EasyEDA_Cloud:QFN-30_L5.0-W5.0-P0.50-BL_XR76108XX, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the XR76203EL-Q?

QFN-30(5x5), with 31 pins. Its footprint is drawn on this page.

Where is the XR76203EL-Q datasheet?

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

Where can I order the XR76203EL-Q?

JLCPCB lists it as part C1355852, with 0 in stock; the sellers' links on this page open their listings.

What can replace the XR76203EL-Q?

Parts like it in the library: the XR76112ELTR-F by MaxLinear, the XR76108ELTR-F by MaxLinear, the XR76205EL-F by MaxLinear and the XR76112EL-F by MaxLinear. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8