LTC2974IUP#PBF vs LTC3884EUK 比較
詳細並排比較 LTC2974IUP#PBF 由 Analog Devices 與 LTC3884EUK 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 | LTC2974IUP#PBF | LTC3884EUK |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | Supervisors & Reset | DC-DC Converters |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 功能 | 4-channel PMBus Power System Manager | Step-Down DC-DC Controller |
| Number of Outputs Supervised | 4 | — |
| Output Voltage Servo Accuracy | 0.5% (over temperature) | — |
| Serial Interface | I2C/SMBus, PMBus-compliant | I2C / PMBus compliant |
| 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 | — |
| 封裝 | 64-lead QFN (UP), 9 mm x 9 mm | 48-QFN (7x7 mm) with exposed pad |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | 3 (per JEDEC J-STD-020) | [DATA_NEEDED: MSL rating] |
| RoHS 狀態 | Compliant | Compliant (PBF suffix) |
| Manufacturer | Analog Devices (formerly Linear Technology) | — |
| 拓撲 | — | Buck (Step-Down), Synchronous |
| 輸出數量 | — | 2 |
| 輸出配置 | — | Positive |
| 輸出類型 | — | Transistor Driver |
| 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 |
| Current Sensing | — | Sub-milliohm DCR sensing |
| 工作溫度 | — | -40C to +125C (junction) |