نظرة عامة على المنتج
The LP3982ILDX-ADJ/NOPB is a 300 mA ultra-low-dropout CMOS LDO regulator from Texas Instruments with adjustable output voltage. Packaged in an 8-pin WSON (NGM), it operates from 2.5 V to 6 V input and offers output voltage adjustable from 1.25 V to 6 V. The device features low noise (37 µVrms), high PSRR (60 dB), and a power-good flag, making it ideal for noise-sensitive analog and RF applications.
المواصفات الرئيسية
| جهد الخرج | 1.25 V to 6 V (Adjustable) |
| تيار الإخراج | 300 mA |
| نطاق جهد الإدخال | 2.5 V to 6 V |
| جهد التسرب | 120 mV typical at 300 mA |
| تيار التهدئة | 90 µA typical |
| ضوضاء الإخراج | 37 µVrms (10 Hz to 100 kHz) |
| الحزمة | 8-WSON (NGM) — 2.5 x 3.0 mm |
| درجة حرارة التشغيل | -40 درجة مئوية إلى +85 درجة مئوية |
الميزات
- Ultra-low dropout: 120 mV at 300 mA
- Very low noise: 37 µVrms (10 Hz–100 kHz)
- High PSRR: 60 dB typical at 1 kHz
- Power-good flag output for supply monitoring
- 1 nA shutdown current for battery conservation
التطبيقات
- RF and wireless transceiver power supplies
- Audio codec and DAC supply filtering
- Battery-powered portable instruments
- DSP and microcontroller core voltage regulation
- Camera module power supplies