Datasheet Texas Instruments LM3940 — 数据表

制造商Texas Instruments
系列LM3940
Datasheet Texas Instruments LM3940

用于5V至3.3V转换的1A低压降稳压器

数据表

LM3940 1-A Low-Dropout Regulator for 5-V to 3.3-V Conversion datasheet
PDF, 1.9 Mb, 修订版: G, 档案已发布: Feb 16, 2015
从文件中提取

价格

状态

LM3940IMP-3.3LM3940IMP-3.3/NOPBLM3940IMPX-3.3LM3940IMPX-3.3/NOPBLM3940IS-3.3LM3940IS-3.3/NOPBLM3940ISX-3.3LM3940ISX-3.3/NOPBLM3940IT-3.3LM3940IT-3.3/NOPB
Lifecycle StatusNRND (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)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityYesNoNoNoYesYesNoYesNoYes

打包

LM3940IMP-3.3LM3940IMP-3.3/NOPBLM3940IMPX-3.3LM3940IMPX-3.3/NOPBLM3940IS-3.3LM3940IS-3.3/NOPBLM3940ISX-3.3LM3940ISX-3.3/NOPBLM3940IT-3.3LM3940IT-3.3/NOPB
N12345678910
Pin4444333333
Package TypeDCYDCYDCYDCYKTTKTTKTTKTTNDENDE
Industry STD TermSOT-223SOT-223SOT-223SOT-223TO-263TO-263TO-263TO-263TO-220TO-220
JEDEC CodeR-PDSO-GR-PDSO-GR-PDSO-GR-PDSO-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-MSFM-PR-MSFM-P
Package QTY100010002000200045455005004545
CarrierLARGE T&RLARGE T&RLARGE T&RLARGE T&RTUBETUBELARGE T&RLARGE T&RTUBETUBE
Device MarkingL52BL52BL52BL52B-3.3 P+-3.3 P+-3.3 P+LM3940IS-3.3 P+-3.3 P+
Width (mm)3.53.53.53.58.418.418.418.4110.1610.16
Length (mm)6.56.56.56.510.1810.1810.1810.1814.98614.986
Thickness (mm)1.61.61.61.64.444.444.444.444.5724.572
Pitch (mm)2.32.32.32.32.542.542.542.542.542.54
Max Height (mm)1.81.81.81.84.834.834.834.834.74.7
Mechanical Data下载下载下载下载下载下载下载下载下载下载

参数化

Parameters / ModelsLM3940IMP-3.3
LM3940IMP-3.3
LM3940IMP-3.3/NOPB
LM3940IMP-3.3/NOPB
LM3940IMPX-3.3
LM3940IMPX-3.3
LM3940IMPX-3.3/NOPB
LM3940IMPX-3.3/NOPB
LM3940IS-3.3
LM3940IS-3.3
LM3940IS-3.3/NOPB
LM3940IS-3.3/NOPB
LM3940ISX-3.3
LM3940ISX-3.3
LM3940ISX-3.3/NOPB
LM3940ISX-3.3/NOPB
LM3940IT-3.3
LM3940IT-3.3
LM3940IT-3.3/NOPB
LM3940IT-3.3/NOPB
Accuracy, %2.52.52.52.52.52.52.52.52.52.5
Fixed Output Options, V3.33.33.33.33.33.33.33.33.33.3
Iout(Max), A1111111111
Iq(Typ), mA0.110.110.110.110.110.110.110.110.110.11
Noise, uVrms150150150150150150150150150150
Operating Temperature Range, C-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125
Output Capacitor TypeNon-CeramicNon-CeramicNon-CeramicNon-CeramicNon-CeramicNon-CeramicNon-CeramicNon-CeramicNon-CeramicNon-Ceramic
Output OptionsFixed OutputFixed OutputFixed OutputFixed OutputFixed OutputFixed OutputFixed OutputFixed OutputFixed OutputFixed Output
PSRR @ 100KHz, dB32323232323232323232
Package GroupSOT-223SOT-223SOT-223SOT-223DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263TO-220TO-220
Package Size: mm2:W x L, PKG4SOT-223: 46 mm2: 7 x 6.5(SOT-223)4SOT-223: 46 mm2: 7 x 6.5(SOT-223)4SOT-223: 46 mm2: 7 x 6.5(SOT-223)4SOT-223: 46 mm2: 7 x 6.5(SOT-223)3DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263)3DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263)3DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263)3DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263)See datasheet (TO-220)See datasheet (TO-220)
RatingCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalog
Regulated Outputs1111111111
Special FeaturesN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A
Thermal Resistance ОёJA, В°C/W23232323232323232323
Vdo(Typ), mV310310310310310310310310310310
Vin(Max), V5.55.55.55.55.55.55.55.55.55.5
Vin(Min), V4.54.54.54.54.54.54.54.54.54.5
Vout(Max), V3.33.33.33.33.33.33.33.33.33.3
Vout(Min), V3.33.33.33.33.33.33.33.33.33.3

生态计划

LM3940IMP-3.3LM3940IMP-3.3/NOPBLM3940IMPX-3.3LM3940IMPX-3.3/NOPBLM3940IS-3.3LM3940IS-3.3/NOPBLM3940ISX-3.3LM3940ISX-3.3/NOPBLM3940IT-3.3LM3940IT-3.3/NOPB
RoHSSee ti.comCompliantSee ti.comCompliantSee ti.comCompliantSee ti.comCompliantSee ti.comCompliant
Pb FreeYesYes

应用须知

  • AN-1061 Power Conversion in Line-Powered Equipment (Rev. B)
    PDF, 406 Kb, 修订版: B, 档案已发布: Apr 23, 2013
    This application note describes line-powered equipment and power conversion techniques or methods tosolve those typical power needs.

模型线

制造商分类

  • Semiconductors> Power Management> Linear Regulator (LDO)> Single Channel LDO