Datasheet Texas Instruments LM3940ISX-3.3 — 数据表
| 制造商 | Texas Instruments |
| 系列 | LM3940 |
| 零件号 | LM3940ISX-3.3 |
用于5V至3.3V转换的1A低压降稳压器3-DDPAK / TO-263 -40至125
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
| Lifecycle Status | NRND (Not recommended for new designs) |
| Manufacture's Sample Availability | No |
打包
| Pin | 3 | 3 |
| Package Type | KTT | KTT |
| Industry STD Term | TO-263 | TO-263 |
| JEDEC Code | R-PSFM-G | R-PSFM-G |
| Package QTY | 500 | 500 |
| Carrier | LARGE T&R | LARGE T&R |
| Device Marking | -3.3 P+ | LM3940IS |
| Width (mm) | 8.41 | 8.41 |
| Length (mm) | 10.18 | 10.18 |
| Thickness (mm) | 4.44 | 4.44 |
| Pitch (mm) | 2.54 | 2.54 |
| Max Height (mm) | 4.83 | 4.83 |
| Mechanical Data | 下载 | 下载 |
替代品
| Replacement | LM3940ISX-3.3/NOPB |
| Replacement Code | S |
参数化
| Accuracy | 2.5 % |
| Fixed Output Options | 3.3 V |
| Iout(Max) | 1 A |
| Iq(Typ) | 0.11 mA |
| Noise | 150 uVrms |
| Operating Temperature Range | -40 to 125 C |
| Output Capacitor Type | Non-Ceramic |
| Output Options | Fixed Output |
| PSRR @ 100KHz | 32 dB |
| Package Group | DDPAK/TO-263 |
| Package Size: mm2:W x L | 3DDPAK/TO-263: 155 mm2: 15.24 x 10.16(DDPAK/TO-263) PKG |
| Rating | Catalog |
| Regulated Outputs | 1 |
| Special Features | N/A |
| Thermal Resistance ОёJA | 23 В°C/W |
| Vdo(Typ) | 310 mV |
| Vin(Max) | 5.5 V |
| Vin(Min) | 4.5 V |
| Vout(Max) | 3.3 V |
| Vout(Min) | 3.3 V |
生态计划
| RoHS | See ti.com |
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
系列: LM3940 (10)
制造商分类
- Semiconductors > Power Management > Linear Regulator (LDO) > Single Channel LDO
其他名称:
LM3940ISX3.3, LM3940ISX 3.3