LTC1921是Linear公司的一款专用产品产品，LTC1921是Dual ?48V Supply and Fuse Monitor，本站介绍了LTC1921的封装应用图解、特点和优点、功能等，并给出了与LTC1921相关的凌力尔特元器件型号供参考。
LTC1921 - Dual ?48V Supply and Fuse Monitor
LTC1921 - Dual ?48V Supply and Fuse Monitor - Linear Technology（凌力尔特）
The LTC1921 monitors two independent –48V supplies, including their fuses, and drives up to three optoisolators to indicate status, in accordance with standard backplane specifications. Requiring only three noncritical resistors and optoisolators, the LTC1921 replaces multiple voltage comparators, a voltage reference and several precision resistors.
The monitor features dual supply overvoltage and undervoltage detection circuits. The preset trip thresholds include overvoltage, undervoltage and undervoltage recovery that are guaranteed over temperature and meet or exceed common backplane specifications. Additional built-in circuitry detects the condition of supply fuses. Overvoltage and undervoltage detectors ignore fast supply transients, eliminating false detection. The LTC1921 operates from –10V to –80V with a typical power dissipation of less than 10mW.
The LTC1921 is available in 8-pin MSOP and SOIC packages.
| 器件型号 | 封装 | 温度 | 价格 (以 1 ~ 99 片为批量) | 价格 (以 1000 片为批量) |
|---|---|---|---|---|
| LTC1921CMS8 | MS-8 | C | $3.40 | $2.50 |
| LTC1921CMS8#PBF | MS-8 | C | $3.40 | $2.50 |
| LTC1921CMS8#TR | MS-8 | C | $2.56 | |
| LTC1921CMS8#TRPBF | MS-8 | C | $2.56 | |
| LTC1921CS8 | SO-8 | C | $3.75 | $2.65 |
| LTC1921CS8#PBF | SO-8 | C | $3.75 | $2.65 |
| LTC1921CS8#TR | SO-8 | C | $2.71 | |
| LTC1921CS8#TRPBF | SO-8 | C | $2.71 | |
| LTC1921IMS8 | MS-8 | I | $4.20 | $3.15 |
| LTC1921IMS8#PBF | MS-8 | I | $4.20 | $3.15 |
| LTC1921IMS8#TR | MS-8 | I | $3.21 | |
| LTC1921IMS8#TRPBF | MS-8 | I | $3.21 | |
| LTC1921IS8 | SO-8 | I | $4.35 | $3.30 |
| LTC1921IS8#PBF | SO-8 | I | $4.35 | $3.30 |
| LTC1921IS8#TR | SO-8 | I | $3.36 | |
| LTC1921IS8#TRPBF | SO-8 | I | $3.36 |
