Datasheet Texas Instruments LM25019

Manufacturer	Texas Instruments
Series	LM25019

7.5-48V Wide Vin, 100mA Constant On-Time Synchronous Buck Regulator

Datasheets

PDF, 1.3 Mb, Revision: E, File published: Nov 8, 2015

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	LM25019MR/NOPB	LM25019MRE/NOPB	LM25019MRX/NOPB	LM25019SD/NOPB	LM25019SDE/NOPB	LM25019SDX/NOPB
Lifecycle Status	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)
Manufacture's Sample Availability	Yes	Yes	No	Yes	No	No

	LM25019MR/NOPB	LM25019MRE/NOPB	LM25019MRX/NOPB	LM25019SD/NOPB	LM25019SDE/NOPB	LM25019SDX/NOPB
N	1	2	3	4	5	6
Pin	8	8	8	8	8	8
Package Type	DDA	DDA	DDA	NGU	NGU	NGU
Industry STD Term	HSOIC	HSOIC	HSOIC	WSON	WSON	WSON
JEDEC Code	R-PDSO-G	R-PDSO-G	R-PDSO-G	S-PDSO-N	S-PDSO-N	S-PDSO-N
Package QTY	95	250	2500	1000	250	4500
Carrier	TUBE	SMALL T&R	LARGE T&R	LARGE T&R	SMALL T&R	LARGE T&R
Device Marking	MR	L25019	MR	L25019	L25019	L25019
Width (mm)	3.9	3.9	3.9	4	4	4
Length (mm)	4.89	4.89	4.89	4	4	4
Thickness (mm)	1.48	1.48	1.48	.8	.8	.8
Pitch (mm)	1.27	1.27	1.27	.8	.8	.8
Max Height (mm)	1.7	1.7	1.7	.8	.8	.8
Mechanical Data	Download	Download	Download	Download	Download	Download

Parameters / Models	LM25019MR/NOPB	LM25019MRE/NOPB	LM25019MRX/NOPB	LM25019SD/NOPB	LM25019SDE/NOPB	LM25019SDX/NOPB
Control Mode	Constant on-time (COT)	Constant on-time (COT)	Constant on-time (COT)	Constant on-time (COT)	Constant on-time (COT)	Constant on-time (COT)
Duty Cycle(Max), %	90	90	90	90	90	90
Iout(Max), A	0.1	0.1	0.1	0.1	0.1	0.1
Iq(Typ), mA	1.75	1.75	1.75	1.75	1.75	1.75
Operating Temperature Range, C	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125
Package Group	SO PowerPAD	SO PowerPAD	SO PowerPAD	WSON	WSON	WSON
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Regulated Outputs	1	1	1	1	1	1
Special Features	Synchronous Rectification,UVLO Adjustable	Synchronous Rectification,UVLO Adjustable	Synchronous Rectification,UVLO Adjustable	Synchronous Rectification,UVLO Adjustable	Synchronous Rectification,UVLO Adjustable	Synchronous Rectification,UVLO Adjustable
Switching Frequency(Max), kHz	1000	1000	1000	1000	1000	1000
Switching Frequency(Min), kHz	50	50	50	50	50	50
Type	Converter	Converter	Converter	Converter	Converter	Converter
Vin(Max), V	48	48	48	48	48	48
Vin(Min), V	7.5	7.5	7.5	7.5	7.5	7.5
Vout(Max), V	40	40	40	40	40	40
Vout(Min), V	1.25	1.25	1.25	1.25	1.25	1.25

	LM25019MR/NOPB	LM25019MRE/NOPB	LM25019MRX/NOPB	LM25019SD/NOPB	LM25019SDE/NOPB	LM25019SDX/NOPB
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

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LM5019 Buck Evaluation Board (Rev. A)
PDF, 890 Kb, Revision: A, File published: Apr 30, 2013
The LM5019 evaluation board provides the design engineer with a fully functional buck regulator,employing the constant on-time (COT) operating principle. This evaluation board provides a 10V outputover an input range of 12.5V to 100V.
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AN-2292 Designing an Isolated Buck (Fly-Buck) Converter (Rev. C)
PDF, 870 Kb, Revision: C, File published: Dec 17, 2014
In many applications, one or more low-cost, simple to use, isolated power supplies working from input voltages up to 100 V are needed. Traditional solutions use flyback converters to generate this bias supply. Flyback designs typically utilize asymmetric transformers turns ratios for primary and secondary power windings, with an optocoupler and reference, or an auxiliary winding for feedback regul

Series: LM25019 (6)

Semiconductors> Power Management> Non-isolated DC/DC Switching Regulator> Step-Down (Buck)> Buck Converter (Integrated Switch)