LTC3884EUK vs LTC2974IUP 比較
詳細並排比較 LTC3884EUK 由 Analog Devices 與 LTC2974IUP 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 |
|---|---|---|
| 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 | 4-channel PMBus power system manager |
| 輸出數量 | 2 | — |
| 輸出配置 | Positive | — |
| 輸出類型 | Transistor Driver | — |
| 功能 | Step-Down DC-DC Controller | — |
| 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 | — |
| 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 (9 mm × 9 mm) Plastic QFN |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL rating] |
| RoHS 狀態 | Compliant (PBF suffix) | Compliant |
| Number of Outputs Managed | — | 4 |
| DAC Resolution | — | 10-bit (per channel) |
| ADC Resolution | — | 16-bit (per channel, differential) |
| Output Voltage Accuracy | — | ±0.25% (servo-trimmed) |
| On-Chip User EEPROM | — | 256 bytes |
| 介面 | — | PMBus 1.1 / SMBus 2.0 (I²C-compatible) |
| Digital I/O | — | ALERTB, CONTROL, SHARE_CLK, FAULTB pins |
| 工作溫度範圍 | — | -40 °C to +105 °C |
| Temperature Sensor | — | Integrated on-chip |
| Supply Voltage (VDD) | — | [DATA_NEEDED: VDD supply voltage] |
| Supply Current (Iq) | — | [DATA_NEEDED: typical quiescent current] |
| Tape and Reel Availability | — | Yes (#TRPBF suffix) |
| Multi-Device Sync | — | Yes (SHARE_CLK pin) |