LTC3884EUK vs LTC2974IUP#PBF Pengandingan
Pengandingan Sisi Kiri Sisi Kanan Terperinci LTC3884EUK disebabkan oleh Analog Devices dan LTC2974IUP#PBF 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 | LTC3884EUK | LTC2974IUP#PBF |
|---|---|---|
| Merek | Analog Devices | Analog Devices |
| Kategori | DC-DC Converters | Supervisors & Reset |
| Status Lingkungan Hidup | Aktif | Aktif |
| Tetstruktur | Buck (Step-Down), Synchronous | — |
| Bilangan Output | 2 | — |
| Konfigurasi Output | Positive | — |
| Jenis Output | Transistor Driver | — |
| Fungsi | Step-Down DC-DC Controller | 4-channel PMBus Power System Manager |
| Supply Voltage (Vcc/Vdd) | 4.5 V to 38 V | — |
| Frekuensi Pertukaran | 200 kHz to 1 MHz | — |
| Duty Cycle (Max) | 96% | — |
| Peralisan Sama | Yes | — |
| Ciri Kawalan | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | — |
| Serial Interface | I2C / PMBus compliant | I2C/SMBus, PMBus-compliant |
| Current Sensing | Sub-milliohm DCR sensing | — |
| Suhu Operasi | -40C to +125C (junction) | — |
| Kemasan | 48-QFN (7x7 mm) with exposed pad | 64-lead QFN (UP), 9 mm x 9 mm |
| Jenis Pemasangan | Surface Mount | Surface Mount |
| Aras MSL | [DATA_NEEDED: MSL rating] | 3 (per JEDEC J-STD-020) |
| Status RoHS | Compliant (PBF suffix) | Compliant |
| Number of Outputs Supervised | — | 4 |
| Output Voltage Servo Accuracy | — | 0.5% (over temperature) |
| On-chip ADC | — | 12-bit (VIN/VOUT readback) |
| On-chip DACs | — | 4 x 10-bit (trim/margin) |
| User EEPROM | — | 256 bytes with CRC |
| Fault Logging | — | Yes, black-box with time-stamp |
| Supply Voltage (VCC) | — | 4.5 V to 15 V |
| Digital I/O Logic Level | — | 3.3 V / 5 V tolerant |
| Gambaran Suhu Operasi | — | -40 C to +105 C |
| Manufacturer | — | Analog Devices (formerly Linear Technology) |