L7985TR vs ST1S41PUR 比較

詳細並排比較 L7985TR 由 STMicroelectronics 與 ST1S41PUR 由 STMicroelectronics. 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。

STMicroelectronics
L7985TR L7985TR - 2A Step-Down Switching Regulator | STMicroelectronics

L7985TR - 2A Step-Down Switching Regulator | STMicroelectronics

L7985TR ✓ 啟用中
STMicroelectronics
ST1S41PUR ST1S41PUR - 4A 18V Sync Step-Down DC-DC | STMicroelectronics

ST1S41PUR - 4A 18V Sync Step-Down DC-DC | STMicroelectronics

ST1S41PUR ✓ 啟用中

規格比較

參數 L7985TR ST1S41PUR
品牌 STMicroelectronics STMicroelectronics
類別 DC-DC Converters DC-DC Converters
生命週期狀態 啟用中 啟用中
輸出類型 Adjustable —
輸出電壓範圍 0.6 V to 38 V 0.8 V to VIN (adjustable)
最大輸出電流 2 A 4 A continuous
輸入電壓範圍 4.5 V to 38 V 4.0 V to 18 V
切換頻率 250 kHz 850 kHz nominal (700 kHz to 1 MHz adjustable)
效率 >85% at full load —
靜態電流 2.5 mA 1.5 mA typical
Internal Power MOSFET Yes, 3A peak current —
Control Architecture Current-mode —
軟啟動 Built-in —
過熱關機 Yes —
工作溫度 -40°C to +150°C —
封裝 HSOP-8 VFQFPN-8 (3x3 mm) with exposed thermal pad
安裝類型 Surface Mount Surface Mount
RoHS 狀態 Compliant Compliant
拓撲 — Synchronous Buck (Step-Down) DC-DC Converter
High-Side Switch Rds(on) — 95 mΩ
Low-Side Switch Rds(on) — 69 mΩ (synchronous rectifier)
Control Method — Peak Current-Mode PWM with Internal Compensation
Peak Efficiency — Up to 90%
軟啟動 — Internal
Protection Features — Overcurrent, Thermal Shutdown, Cycle-by-Cycle Current Limit
工作溫度範圍 — -40 °C to +125 °C junction
MSL 等級 — 1

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