Datasheet Texas Instruments LP2997MR — 数据表

DDR-II终端稳压器8-SO PowerPAD 0至125

数据表

PDF, 1.3 Mb, 修订版: F, 档案已发布: Apr 4, 2013

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Lifecycle Status	NRND (Not recommended for new designs)
Manufacture's Sample Availability	No

Replacement	LP2997MR/NOPB
Replacement Code	S

Control Mode	N/A
DDR Memory Type	DDR2
Iout VTT(Max)	0.5 A
Iq(Typ)	0.32 mA
Operating Temperature Range	0 to 125 C
Output	VREF,VTT
Package Group	SO PowerPAD
Package Size: mm2:W x L	8SO PowerPAD: 29 mm2: 6 x 4.9(SO PowerPAD) PKG
Rating	Catalog
Regulator Type	Linear Regulator
Special Features	Shutdown Pin for S3
Vin Bias(Max)	5.5 V
Vin Bias(Min)	2.2 V
Vin(Max)	5.5 V
Vin(Min)	1.8 V
Vout VTT(Min)	0.9 V

RoHS	See ti.com

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AN-1254 DDR-SDRAM Termination Simplified Using a Linear Regulator (Rev. A)
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PDF, 772 Kb, 档案已发布: Aug 23, 2016
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

系列: LP2997 (7)