LTC3884EUK vs LTC2974IUP#PBF 比較
詳細並排比較 LTC3884EUK 由 Analog Devices 與 LTC2974IUP#PBF 由 Analog Devices. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
規格比較
| 參數 | LTC3884EUK | LTC2974IUP#PBF |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | DC-DC Converters | Supervisors & Reset |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 拓撲 | Buck (Step-Down), Synchronous | — |
| 輸出數量 | 2 | — |
| 輸出配置 | Positive | — |
| 輸出類型 | Transistor Driver | — |
| 功能 | Step-Down DC-DC Controller | 4-channel PMBus Power System Manager |
| Supply Voltage (Vcc/Vdd) | 4.5 V to 38 V | — |
| 切換頻率 | 200 kHz to 1 MHz | — |
| Duty Cycle (Max) | 96% | — |
| 同步整流器 | Yes | — |
| 控制功能 | 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 | — |
| 工作溫度 | -40C to +125C (junction) | — |
| 封裝 | 48-QFN (7x7 mm) with exposed pad | 64-lead QFN (UP), 9 mm x 9 mm |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | [DATA_NEEDED: MSL rating] | 3 (per JEDEC J-STD-020) |
| RoHS 狀態 | 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 |
| 工作溫度範圍 | — | -40 C to +105 C |
| Manufacturer | — | Analog Devices (formerly Linear Technology) |