LT8646 vs LT8646SIV#WPBF Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci LT8646 disebabkan oleh Analog Devices dan LT8646SIV#WPBF 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 | LT8646 | LT8646SIV#WPBF |
|---|---|---|
| Merek | Analog Devices | Analog Devices |
| Kategori | DC-DC Converters | DC-DC Converters |
| Status Lingkungan Hidup | Aktif | Aktif |
| Tetstruktur | Synchronous Step-Down (Buck) | Synchronous Step-Down (Buck) |
| Gambaran Tegangan Masukan | 3 V to 65 V (65 V abs max) | 3.4 V to 65 V |
| Gambaran Tegangan Output | 0.97 V to VIN (adjustable) | 0.97 V to 64 V (adjustable) |
| Saiz Sistem Pampasan maximum | 8 A continuous | 8 A |
| Arus Dalam Tentera | 2.5 µA (typical at no load) | — |
| Frekuensi Pertukaran | 200 kHz to 3 MHz (programmable, synchronisable) | — |
| Architecture | Silent Switcher 2 with internal bypass capacitors | Silent Switcher 2 with integrated bypass capacitors |
| Kecocokan | >95 % at 12V to 3.3V/8A | — |
| Internal MOSFETs | Yes (high-side and low-side integrated) | Top + bottom N-channel MOSFET switches |
| Spread Spectrum | Yes (selectable) | — |
| Mulai Dengan Lembut | Internal, programmable | — |
| Output Over-Voltage Protection | Yes (latch-off) | — |
| Pengumpasan Panas | Yes | — |
| Suhu Hubungan Operasi | -40 °C to +125 °C | — |
| Kemasan | 32-TFQFN Exposed Pad (5 mm × 6 mm) | 32-pin LQFN (6 mm x 4 mm) with Exposed Pad |
| Jenis Pemasangan | Surface Mount | Surface Mount |
| Status RoHS | Compliant | Compliant |
| Switching Frequency Range | — | 200 kHz to 2.2 MHz (programmable) |
| Quiescent Current (Burst Mode) | — | 2.5 µA typical |
| Peak Efficiency | — | 96% |
| Gambaran Suhu Operasi | — | -40°C to +125°C (-IV suffix) |
| Aras MSL | — | 3 (per JEDEC J-STD-020) |
| Automotive Qualification | — | AEC-Q100 (Automotive grade per Arrow listing) |
| Synchronization | — | External clock sync input |
| Power Good Flag | — | Yes |
| Thermal Resistance (θJA) | — | ~25°C/W on 4-layer JEDEC board (estimated from package family) |