نظرة عامة على المنتج
The LM2940SX-5.0/NOPB from Texas Instruments is a 1A low-dropout positive voltage regulator with 5V fixed output in a TO-263 surface-mount package. The SX denotes tape-and-reel packaging. With 0.5V typical dropout at 1A, 26V maximum input, reverse battery protection, and 64dB PSRR at 120Hz, it is designed for automotive and battery-powered applications.
المواصفات الرئيسية
| جهد الخرج | 5.0V fixed |
| جهد الإدخال | 6V to 26V |
| تيار الإخراج | 1A |
| جهد التسرب | 500mV typical @ 1A (max 1V) |
| PSRRR | 64dB @ 120Hz |
| Iq | 10mA typical @ 1A load |
| Line Regulation | 50mV |
| Load Regulation | 50mV |
| Protection | Reverse battery, short circuit, thermal shutdown |
| Operating Temp | -40 to +125 C |
| الحزمة | TO-263-3 (DDPAK) |
الميزات
- 0.5V typical dropout at 1A output
- Reverse battery protection up to -26V
- Mirror image insertion protection
- Short circuit and thermal shutdown protection
- 64dB PSRR at 120Hz
- Quiescent current reduction at high input-output differential
التطبيقات
- Automotive voltage regulation
- Battery-powered instrumentation
- أنظمة الطاقة الموزعة
- Post-regulation for switching supplies