نظرة عامة على المنتج
The TC7662BCOA713 from Microchip is a charge pump DC-to-DC voltage converter that generates negative supply from positive input using only two external capacitors, as an upgraded replacement for ICL7660.
المواصفات الرئيسية
| الشركة المصنعة | Microchip Technology |
| الطوبولوجيا | Charge Pump (Inverting/Doubling) |
| جهد الإدخال | 1.5V to 15V |
| جهد الخرج | -VIN or 2xVIN |
| تيار الإخراج | 20 mA |
| تيار التهدئة | 180 µA typical |
| Oscillator Frequency | 10 kHz (boost to 35kHz) |
| Efficiency | 96% (typical) |
| تبديد الطاقة | 470 mW |
| External Components | 2 capacitors only |
| الحزمة | SOIC-8 |
| درجة حرارة التشغيل | 0°C to +70°C |
الميزات
- Converts +1.5V to +15V to negative voltage
- Only 2 external capacitors required
- No inductors needed
- 96% power efficiency
- Boost pin for 35kHz operation (smaller caps)
- External oscillator option
- Pin-compatible ICL7660 upgrade
- Voltage doubling mode available
التطبيقات
- Op-amp negative supply generation
- LCD contrast adjustment
- Data acquisition systems
- Battery-powered instruments