نظرة عامة على المنتج
The TPS79333DBVR from Texas Instruments is a 200mA, low-noise, high-PSRR LDO regulator with fixed 3.3V output in SOT-23-5 package. With 70dB PSRR at 10kHz, 32uVRMS output noise, and 112mV dropout, it provides ultra-clean power for noise-sensitive RF and analog circuits.
المواصفات الرئيسية
| جهد الخرج | 3.3 V (fixed) |
| تيار الإخراج | 200 mA |
| نطاق جهد الإدخال | 2.7 V to 5.5 V |
| جهد التسرب | 112 mV typ @ 200mA |
| PSRRR | 70 dB @ 10kHz |
| Noise | 32 uVRMS (10Hz-100kHz) |
| تيار التهدئة | 170 uA (typical) |
| تيار إيقاف التشغيل | Less than 1 uA |
| الحزمة | SOT-23-5 (DBV) |
| درجة حرارة التشغيل | -40 to +125 C |
الميزات
- Ultra-low 32uVRMS output noise for sensitive analog and RF circuits
- 70dB PSRR rejects input supply ripple and noise
- 112mV dropout at 200mA for wide input-output differential
- Fast start-up time of 50us with noise bypass capacitor
- 2.2uF ceramic output capacitor stability
- Enable pin with active output discharge
التطبيقات
- RF receiver and transmitter power supply
- VCO and PLL power supply filtering
- High-speed ADC/DAC reference supply
- Audio DAC and headphone amplifier power
- Low-noise sensor signal conditioning