L7985TR vs ST1S41PUR 对比

详细并排对比 L7985TR 出自 STMicroelectronics 和 ST1S41PUR 出自 STMicroelectronics。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况,以确定最适合您设计需求的元器件。

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

L7985TR - 2A Step-Down Switching Regulator | STMicroelectronics

L7985TR ✓ 量产中
STMicroelectronics
ST1S41PUR ST1S41PUR - 4A 18V Sync Step-Down DC-DC | STMicroelectronics

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

ST1S41PUR ✓ 量产中

规格对比

参数 L7985TR ST1S41PUR
品牌 STMicroelectronics STMicroelectronics
分类 DC-DC Converters DC-DC Converters
生命周期状态 有效 有效
库存状态 有库存 有库存
单价(USD) $1.10 $0.92
输出类型 Adjustable —
输出电压范围 0.6 V to 38 V 0.8 V to VIN (adjustable)
最大输出电流 2 A 4 A continuous
输入电压范围 4.5 V to 38 V 4.0 V to 18 V
开关频率 250 kHz 850 kHz nominal (700 kHz to 1 MHz adjustable)
效率 >85% at full load —
静态电流 2.5 mA 1.5 mA typical
Internal Power MOSFET Yes, 3A peak current —
Control Architecture Current-mode —
软启动 Built-in —
热关断 Yes —
工作温度 -40°C to +150°C —
封装 HSOP-8 VFQFPN-8 (3x3 mm) with exposed thermal pad
安装类型 Surface Mount Surface Mount
RoHS 状态 Compliant Compliant
拓扑 — 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%
软启动 — Internal
Protection Features — Overcurrent, Thermal Shutdown, Cycle-by-Cycle Current Limit
工作温度范围 — -40 °C to +125 °C junction
MSL 等级 — 1

数据手册与资源

浏览全部产品 创建 BOM 获取报价