LT8640IUDC-1#PBF vs LT8640EUDC#TRPBF Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci LT8640IUDC-1#PBF disebabkan oleh Analog Devices dan LT8640EUDC#TRPBF disebabkan oleh Analog Devices. Bandingkan spesifikasi utama, parameter elektrik, pakej, status kehidupan, harga, dan keupayaan untuk menentukan komponen terbaik untuk keperluan disenjaya anda.
Pengandingan Spesifikasi
| Parametr | LT8640IUDC-1#PBF | LT8640EUDC#TRPBF |
|---|---|---|
| Merek | Analog Devices | Analog Devices |
| Kategori | DC-DC Converters | DC-DC Converters |
| Status Lingkungan Hidup | Aktif | Aktif |
| Tetstruktur | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| Gambaran Tegangan Masukan | 3.4 V to 42 V | 3.4 V to 42 V |
| Gambaran Tegangan Output | 0.97 V to 41.58 V (adjustable) | 0.97 V to 41.58 V (adjustable) |
| Saiz Sistem Pampasan maximum | 5 A | 5 A |
| Switching Frequency Range | 200 kHz to 3 MHz | — |
| Minimum Top Switch On-Time | 30 ns | — |
| Quiescent Current (Burst Mode) | 2.5 uA | — |
| Gambaran Suhu Operasi | -40C to +125C (TJ) | — |
| Kemasan | 20-WFQFN, 18 leads, exposed pad (3 mm x 4 mm) | 20-WFQFN / 18-lead QFN with Exposed Pad (LGA-style UD package) |
| Jenis Pemasangan | Surface Mount | Surface Mount |
| Mode (LT8640-1) | Forced Continuous PWM at light load | — |
| Mode Selection | Burst / Spread-Spectrum / SYNC / Forced-Continuous via SYNC/MODE pin | Burst Mode / Spread Spectrum / External Sync / Pulse-Skipping / Forced Continuous |
| Efficiency (architectural claim) | Silent Switcher architecture, low-EMI | — |
| Aras MSL | 1 (unlimited) | 1 |
| Lead-Free / RoHS | Yes (PBF suffix) | — |
| Bilangan Output | — | 1 |
| Frekuensi Pertukaran | — | Up to 3 MHz (programmable) |
| Arus Dalam Tentera | — | 2.5 µA (output in regulation, Burst Mode) |
| Minimum Switch On-Time | — | 30 ns (top switch) |
| Architecture | — | Silent Switcher (low EMI) |
| Suhu Hubungan Operasi | — | -40 °C to +125 °C (E grade, design assured over -40 to +125) |
| Status RoHS | — | Compliant (Pb-free) |
| Output Polarity | — | Positive |