XR77129ELB-F

MaxLinearExtended

-40℃~+125℃ 105kHz~1.23MHz 30uA 4 600mV~5.5V 6V~40V 9.33A Adjustable Buck Buck External Yes TQFN-44-EP(7x7) DC-DC Converters ROHS

Datasheet JLCPCB LCSC

Part id: maxlinear/XR77129ELB-F
Category: DC DC Converters
Package: TQFN-44-EP(7x7)
Pins: 45
In stock: 0 at JLCPCB (C1530009)

Overview

The XR77129ELB-F is a DC DC Converter made by MaxLinear in a TQFN-44-EP(7x7) package with 45 pins. -40℃~+125℃ 105kHz~1.23MHz 30uA 4 600mV~5.5V 6V~40V 9.33A Adjustable Buck Buck External Yes TQFN-44-EP(7x7) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (Regulators:XR77129ELB-F, from CERN's library) and its footprint (ICs And Semiconductors SMD:QFN50P700X700X80-45N-S520, from CERN's library), ready for a KiCad board. JLCPCB lists it (part C1530009).

Symbol

Regulators:XR77129ELB-FFrom CERN's library

Footprint

ICs And Semiconductors SMD:QFN50P700X700X80-45N-S520From CERN's library

Pinout

The pins of the XR77129ELB-F
Pin	Name	Type
1	LDOOUT	Output
2	AGND	Power in
3	CPLL	Passive
4	AVDD	Power in
5	VOUT1	Input
6	VOUT2	Input
7	VOUT3	Input
8	VOUT4	Input
9	GPIO0	Input/output
10	GPIO1	Input/output
11	SDA	Input/output
12	SCL	Input/output
13	PSIO0	Output
14	PSIO1	Output
15	PSIO2	Output
16	DVDD	Power in
17	DGND	Power in
18	BST4	Input
19	GH4	Output
20	LX4	Input
21	GL4	Output
22	GL_RTN4	Power in
23	VCCD3-4	Output
24	BST3	Input
25	GH3	Output
26	LX3	Input
27	GL3	Output
28	GL_RTN3	Power in
29	BST2	Input
30	GH2	Output
31	LX2	Input
32	GL2	Output
33	GL_RTN2	Power in
34	VCCD1-2	Output
35	BST1	Input
36	GH1	Output
37	LX1	Input
38	GL1	Output
39	GL_RTN1	Power in
40	ENABLE	Input
41	VCC	Power in
42	BFB	Input
43	V5EXT	Input
44	LDO5	Output
45	AGND	Power in

Parameters

Features: Overcurrent Protection, Light load efficient mode, Built-in LDO regulator
Frequency - Switching: 105kHz~1.23MHz
Function: Step-down type
Number of Outputs: 4
Operating Temperature: -40℃~+125℃
Output Current: 9.33A
Output Type: Adjustable
Output Voltage: 600mV~5.5V
Quiescent Current: 30uA
Switch tube (built-in/external): External
Synchronous Rectifier: Yes
Topology: Buck
Voltage - Supply: 6V~40V

Order codes

XR77129ELB-FLCSC C1530009

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Questions

Is there a KiCad symbol and footprint for the XR77129ELB-F?

Yes. The symbol is Regulators:XR77129ELB-F and the footprint ICs And Semiconductors SMD:QFN50P700X700X80-45N-S520, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the XR77129ELB-F?

TQFN-44-EP(7x7), with 45 pins. Its footprint is drawn on this page.

Where is the XR77129ELB-F datasheet?

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

Where can I order the XR77129ELB-F?

JLCPCB lists it as part C1530009, with 0 in stock; the sellers' links on this page open their listings.