Datasheet Texas Instruments LP2995 — Datenblatt

Hersteller	Texas Instruments
Serie	LP2995

DDR Termination Regulator

Datenblätter

PDF, 1.5 Mb, Revision: M, Datei veröffentlicht: Mar 19, 2013

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	LP2995LQ/NOPB	LP2995M	LP2995M/NOPB	LP2995MR	LP2995MR/NOPB	LP2995MRX	LP2995MRX/NOPB	LP2995MX/NOPB
Lifecycle Status	Active (Recommended for new designs)	NRND (Not recommended for new designs)	Active (Recommended for new designs)	NRND (Not recommended for new designs)	Active (Recommended for new designs)	NRND (Not recommended for new designs)	Active (Recommended for new designs)	Active (Recommended for new designs)
Manufacture's Sample Availability	Yes	No	Yes	No	No	No	No	No

	LP2995LQ/NOPB	LP2995M	LP2995M/NOPB	LP2995MR	LP2995MR/NOPB	LP2995MRX	LP2995MRX/NOPB	LP2995MX/NOPB
N	1	2	3	4	5	6	7	8
Pin	16	8	8	8	8	8	8	8
Package Type	NHP	D	D	DDA	DDA	DDA	DDA	D
Industry STD Term	WQFN	SOIC	SOIC	HSOIC	HSOIC	HSOIC	HSOIC	SOIC
JEDEC Code	S-PQSO-N	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G	R-PDSO-G
Package QTY	1000	95	95	95	95		2500	2500
Carrier	SMALL T&R	TUBE	TUBE	TUBE	TUBE	LARGE T&R	LARGE T&R	LARGE T&R
Device Marking	L00005B	2995M	2995M	LP2995	LP2995	LP2995	LP2995	2995M
Width (mm)	4	3.91	3.91	3.9	3.9	3.9	3.9	3.91
Length (mm)	4	4.9	4.9	4.89	4.89	4.89	4.89	4.9
Thickness (mm)	.8	1.58	1.58	1.48	1.48	1.48	1.48	1.58
Pitch (mm)	.5	1.27	1.27	1.27	1.27	1.27	1.27	1.27
Max Height (mm)	.8	1.75	1.75	1.7	1.7	1.7	1.7	1.75
Mechanical Data	Herunterladen	Herunterladen	Herunterladen	Herunterladen	Herunterladen	Herunterladen	Herunterladen	Herunterladen

Parameters / Models	LP2995LQ/NOPB	LP2995M	LP2995M/NOPB	LP2995MR	LP2995MR/NOPB	LP2995MRX	LP2995MRX/NOPB	LP2995MX/NOPB
Control Mode	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
DDR Memory Type	DDR	DDR	DDR	DDR	DDR	DDR	DDR	DDR
Iout VTT(Max), A	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
Iq(Typ), mA	0.25	0.25	0.25	0.25	0.25	0.25	0.25	0.25
Operating Temperature Range, C	0 to 125	0 to 125	0 to 125	0 to 125	0 to 125	0 to 125	0 to 125	0 to 125
Output	VREF,VTT	VREF,VTT	VREF,VTT	VREF,VTT	VREF,VTT	VREF,VTT	VREF,VTT	VREF,VTT
Package Group	WQFN	SOIC	SOIC	SO PowerPAD	SO PowerPAD	SO PowerPAD	SO PowerPAD	SOIC
Package Size: mm2:W x L, PKG	16WQFN: 16 mm2: 4 x 4(WQFN)	8SOIC: 29 mm2: 6 x 4.9(SOIC)	8SOIC: 29 mm2: 6 x 4.9(SOIC)	8SO PowerPAD: 29 mm2: 6 x 4.9(SO PowerPAD)	8SO PowerPAD: 29 mm2: 6 x 4.9(SO PowerPAD)	8SO PowerPAD: 29 mm2: 6 x 4.9(SO PowerPAD)	8SO PowerPAD: 29 mm2: 6 x 4.9(SO PowerPAD)	8SOIC: 29 mm2: 6 x 4.9(SOIC)
Rating	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog	Catalog
Regulator Type	Linear Regulator	Linear Regulator	Linear Regulator	Linear Regulator	Linear Regulator	Linear Regulator	Linear Regulator	Linear Regulator
Special Features	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Vin Bias(Max), V	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Vin Bias(Min), V	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2
Vin(Max), V	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Vin(Min), V	2.2	2.2	2.2	2.2	2.2	2.2	2.2	2.2
Vout VTT(Min), V	1.25	1.25	1.25	1.25	1.25	1.25	1.25	1.25

	LP2995LQ/NOPB	LP2995M	LP2995M/NOPB	LP2995MR	LP2995MR/NOPB	LP2995MRX	LP2995MRX/NOPB	LP2995MX/NOPB
RoHS	Compliant	See ti.com	Compliant	See ti.com	Compliant	Not Compliant	Compliant	Compliant

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The output voltage of DDR termination regulators tends to rise quickly after their VDDQ line is enabled. Most DDR terminators are specifically designed for fast start-up. They also require bulky output capacitors for a stable output voltage. This often results in a significant inrush current from DDR terminator voltage supply to charge the output capacitors and to provide curre
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This applications report describes the use and benefits of the LP2995 for DDR-DRAM Termination.

Serie: LP2995 (8)