LTC7802JUFDM#WPBF vs LTC3899EFE 比較
詳細並排比較 LTC7802JUFDM#WPBF 由 Analog Devices 與 LTC3899EFE 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。
Analog Devices
LTC7802JUFDM#WPBF - 40V Low IQ Dual Step-Down Controller | ADI
LTC7802JUFDM#WPBF ✓ 啟用中Analog Devices
LTC3899EFE - 60V Triple Output Buck/Buck/Boost Sync Controller | ADI
LTC3899EFE ✓ 啟用中規格比較
| 參數 | LTC7802JUFDM#WPBF | LTC3899EFE |
|---|---|---|
| 品牌 | Analog Devices | Analog Devices |
| 類別 | DC-DC Converters | DC-DC Converters |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 拓撲 | Dual synchronous buck controller | Triple-output synchronous buck + buck + boost controller |
| 輸出數量 | 2 | 3 (2 buck + 1 boost, boost can run PassThru) |
| 輸入電壓範圍 | 4.5 V to 40 V | — |
| 輸出電壓範圍 | 0.8 V to VIN (min 0.8 V) | 800 mV to 60 V |
| Output Current | Dependent on external MOSFETs | — |
| Switching Frequency Range | 100 kHz to 3 MHz (PLL-lockable) | — |
| Maximum Duty Cycle | 99 % | — |
| Feedback Voltage Accuracy | ±1 % over temperature | — |
| 參考電壓 | 0.8 V | — |
| Quiescent Current (Burst Mode) | [DATA_NEEDED: quiescent current spec] | — |
| 工作溫度範圍 | -40 C to +150 C (TJ) | — |
| 封裝 | 28-lead QFN (4x5 mm) with exposed pad | 38-pin TSSOP-EP (FE suffix) |
| MSL 等級 | [DATA_NEEDED: MSL rating] | 1 (unlimited floor life at <30C/85%RH) |
| RoHS 狀態 | Compliant | Compliant (#PBF suffix) |
| Lead-Free | Yes | — |
| Wettable Flanks | Yes (UFDM suffix) | — |
| Spread-Spectrum Modulation | Selectable via PLLIN/SPREAD pin | — |
| Input Voltage Range (VIN) | — | 4.5 V to 60 V |
| 切換頻率 | — | Up to 850 kHz (phase-lockable) |
| 靜態電流 | — | 15 µA per channel (regulating) |
| Control Architecture | — | Constant-frequency current-mode |
| MOSFET Driver | — | N-channel synchronous, all channels |
| EXTVCC Internal LDO | — | 5 V (for gate drive from external 5V rail) |
| DRVSET Pin | — | Yes (adjustable gate drive voltage) |
| Protection Features | — | Cycle-by-cycle current limit, short-circuit hiccup, OVP, UV, thermal shutdown |
| 工作接面溫度 | — | -40 C to +125 C (extended temp grade) |
| 安裝類型 | — | Surface Mount |