Datasheet Texas Instruments LM2991 — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM2991 |
负低压差可调稳压器
数据表
LM2991 Negative Low-Dropout Adjustable Regulator datasheet
PDF, 2.3 Mb, 修订版: I, 档案已发布: Oct 3, 2016
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价格
状态
| LM2991S | LM2991S/NOPB | LM2991SX | LM2991SX/NOPB | LM2991T | LM2991T/LB03 | LM2991T/LF03 | LM2991T/NOPB | |
|---|---|---|---|---|---|---|---|---|
| Lifecycle Status | 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) | NRND (Not recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | Yes | Yes | No | No | No | Yes |
打包
| LM2991S | LM2991S/NOPB | LM2991SX | LM2991SX/NOPB | LM2991T | LM2991T/LB03 | LM2991T/LF03 | LM2991T/NOPB | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Pin | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Package Type | KTT | KTT | KTT | KTT | KC | NDH | NDH | KC |
| Industry STD Term | TO-263 | TO-263 | TO-263 | TO-263 | TO-220 | TO-220 | TO-220 | TO-220 |
| JEDEC Code | R-PSFM-G | R-PSFM-G | R-PSFM-G | R-PSFM-G | R-PSFM-T | R-MSFM-L | R-MSFM-L | R-PSFM-T |
| Package QTY | 45 | 45 | 500 | 500 | 45 | 45 | 45 | 45 |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | TUBE | TUBE | TUBE | TUBE |
| Device Marking | P+ | LM2991S | LM2991S | P+ | LM2991T | LM2991T | LM2991T | LM2991T |
| Width (mm) | 8.42 | 8.42 | 8.42 | 8.42 | 8.51 | 10.16 | 10.16 | 8.51 |
| Length (mm) | 10.16 | 10.16 | 10.16 | 10.16 | 10.16 | 14.986 | 14.986 | 10.16 |
| Thickness (mm) | 4.58 | 4.58 | 4.58 | 4.58 | 4.58 | 4.572 | 4.572 | 4.58 |
| Pitch (mm) | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.702 | 1.702 | 1.7 |
| Max Height (mm) | 4.83 | 4.83 | 4.83 | 4.83 | 4.7 | 4.7 | 4.7 | 4.7 |
| Mechanical Data | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 |
参数化
| Parameters / Models | LM2991S | LM2991S/NOPB | LM2991SX | LM2991SX/NOPB | LM2991T | LM2991T/LB03 | LM2991T/LF03 | LM2991T/NOPB |
|---|---|---|---|---|---|---|---|---|
| Accuracy, % | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Iout(Max), A | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Iq(Typ), mA | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 |
| Noise, uVrms | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 |
| 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 |
| Output Capacitor Type | Non-Ceramic | Non-Ceramic | Non-Ceramic | Non-Ceramic | Non-Ceramic | Non-Ceramic | Non-Ceramic | Non-Ceramic |
| Output Options | Adjustable Output,Negative Output | Adjustable Output,Negative Output | Adjustable Output,Negative Output | Adjustable Output,Negative Output | Adjustable Output,Negative Output | Adjustable Output,Negative Output | Adjustable Output,Negative Output | Adjustable Output,Negative Output |
| PSRR @ 100KHz, dB | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Package Group | DDPAK/TO-263 | DDPAK/TO-263 | DDPAK/TO-263 | DDPAK/TO-263 | TO-220 | TO-220 | TO-220 | TO-220 |
| Package Size: mm2:W x L, PKG | 5DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263) | 5DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263) | 5DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263) | 5DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263) | See datasheet (TO-220) | See datasheet (TO-220) | See datasheet (TO-220) | See datasheet (TO-220) |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Regulated Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Special Features | Enable | Enable | Enable | Enable | Enable | Enable | Enable | Enable |
| Thermal Resistance ОёJA, В°C/W | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Vdo(Typ), mV | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 600 |
| Vin(Max), V | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Vin(Min), V | -26 | -26 | -26 | -26 | -26 | -26 | -26 | -26 |
| Vout(Max), V | -3 | -3 | -3 | -3 | -3 | -3 | -3 | -3 |
| Vout(Min), V | -24 | -24 | -24 | -24 | -24 | -24 | -24 | -24 |
生态计划
| LM2991S | LM2991S/NOPB | LM2991SX | LM2991SX/NOPB | LM2991T | LM2991T/LB03 | LM2991T/LF03 | LM2991T/NOPB | |
|---|---|---|---|---|---|---|---|---|
| RoHS | See ti.com | Compliant | See ti.com | Compliant | See ti.com | See ti.com | Compliant | Compliant |
| Pb Free | Yes | Yes | Yes | Yes |
应用须知
- Linear and Switching Voltage Regulator Fundamental Part 1PDF, 183 Kb, 档案已发布: Mar 21, 2007
模型线
系列: LM2991 (8)
制造商分类
- Semiconductors> Power Management> Linear Regulator (LDO)> Single Channel LDO