Datasheet Linear Technology LT1949 — 数据表
| 制造商 | Linear Technology |
| 系列 | LT1949 |
600kHz，1A开关PWM DC / DC转换器
数据表
价格
打包
| LT1949EMS8#PBF | LT1949EMS8#TRPBF | LT1949ES8#PBF | LT1949ES8#TRPBF | LT1949IS8#PBF | LT1949IS8#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Package | MS-8 包装外形图 | MS-8 包装外形图 | SO-8 包装外形图 | SO-8 包装外形图 | SO-8 包装外形图 | SO-8 包装外形图 |
| Package Code | MS8 | MS8 | S8 | S8 | S8 | S8 |
| Package Index | 05-08-1660 | 05-08-1660 | 05-08-1610 (S8) | 05-08-1610 (S8) | 05-08-1610 (S8) | 05-08-1610 (S8) |
| Pin Count | 8 | 8 | 8 | 8 | 8 | 8 |
参数化
| Parameters / Models | LT1949EMS8#PBF | LT1949EMS8#TRPBF | LT1949ES8#PBF | LT1949ES8#TRPBF | LT1949IS8#PBF | LT1949IS8#TRPBF |
|---|---|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no | no | no |
| Frequency, kHz | 1100 | 1100 | 1100 | 1100 | 1100 | 1100 |
| Integrated Inductor | no | no | no | no | no | no |
| Ishutdown, µA | 25 | 25 | 25 | 25 | 25 | 25 |
| Isupply, mA | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Monolithic | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Polyphase | no | no | no | no | no | no |
| Switch Current, A | 1.13 | 1.13 | 1.13 | 1.13 | 1.13 | 1.13 |
| Synchronous | no | no | no | no | no | no |
| Topology | Boost, Sepic, Flyback | Boost, Sepic, Flyback | Boost, Sepic, Flyback | Boost, Sepic, Flyback | Boost, Sepic, Flyback | Boost, Sepic, Flyback |
| Vin Max, V | 12 | 12 | 12 | 12 | 12 | 12 |
| Vin Min, V | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Vin Min Startup, V | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| Vout Max, V | 30 | 30 | 30 | 30 | 30 | 30 |
| Vout Min, V | 1.24 | 1.24 | 1.24 | 1.24 | 1.24 | 1.24 |
| Vswitch Max, V | 30 | 30 | 30 | 30 | 30 | 30 |
生态计划
| LT1949EMS8#PBF | LT1949EMS8#TRPBF | LT1949ES8#PBF | LT1949ES8#TRPBF | LT1949IS8#PBF | LT1949IS8#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
文章
- Triple Output TFT-LCD Bias Supply Uses All Ceramic Capacitors &mdash LT JournalPDF, 171 Kb, 档案已发布: Sep 1, 1999从文件中提取
模型线
系列: LT1949 (6)
制造商分类
- Power Management > Switching Regulator > SEPIC Regulators
- Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost