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LTC3621
推荐新设计使用具 3.5μA 静态电流的 17V、1A、同步降压型稳压器
- 产品模型
- 96
产品详情
- 宽 VIN 范围:2.7V 至 17V
- 宽 VOUT 范围:0.6V 至 VIN
- 95% 最大效率
- 低 IQ < 3.5μA,零电流停机模式
- 恒定频率 (1MHz / 2.25MHz)
- 可在低 IQ 条件下执行完整的压差操作
- 1A 额定输出电流
- ±1% 输出电压准确度
- 电流模式操作用于实现超卓的电压和负载瞬态响应
- 可同步至外部时钟
- 脉冲跳跃、强制连续、突发模式 (Burst Mode®) 操作
- 内部补偿和软起动
- 过热保护
- 紧凑型 6 引脚 DFN (2mm x 3mm) 封装或具有电源良好输出和独立 SGND 引脚的耐热性能增强型 MS8E 封装
- 通过AEC-Q100汽车应用认证
LTC3621 / LTC3621-2 是一款高效率 17V、1A 同步单片式降压型稳压器。开关频率固定至 1MHz 或 2.25MHz 并具有 ±40% 的同步范围。稳压器具有超低的静态电流,并可在宽 VOUT 范围内实现高效率。
该降压型稳压器在 2.7V 至 17V 的输入电压范围内运作,并可在输送高达 1A 输出电流的同时提供一个介于 0.6V 和 VIN 之间的可调输出范围。这些器件还提供了一个用户可选模式输入,以使用户能对纹波噪声与轻负载时的效率作出权衡;突发模式操作可在轻负载条件下提供较高的效率,而脉冲跳跃模式则可提供较低的电压纹波。用户也可采用 MODE 引脚以使开关频率同步至外部时钟。
LTC3621 选项
型号 |
频率 | VOUT |
LTC3621 | 1.00MHz | 可调 |
LTC3621-3.3 | 1.00MHz | 3.3V |
LTC3621-5 | 1.00MHz | 5V |
LTC3621-2 | 2.25MHz | 可调 |
LTC3621-23.3 | 2.25MHz | 3.3 |
LTC3621-25 | 2.25MHz | 5V |
应用
- 便携式手持扫描仪
- 工业和嵌入式计算
- 汽车应用
- 应急无线电
参考资料
数据手册 1
可靠性数据 1
用户手册 2
ADI 始终高度重视提供符合最高质量和可靠性水平的产品。我们通过将质量和可靠性检查纳入产品和工艺设计的各个范围以及制造过程来实现这一目标。出货产品的“零缺陷”始终是我们的目标。查看我们的质量和可靠性计划和认证以了解更多信息。
产品型号 | 引脚/封装图-中文版 | 文档 | CAD 符号,脚注和 3D模型 |
---|---|---|---|
LTC3621EDCB#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-2#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-2#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-23.3#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-23.3#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-25#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-25#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-3.3#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-3.3#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-5#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EDCB-5#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621EMS8E#PBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-2#PBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-2#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-2#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-2#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-23.3#PBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-23.3#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-23.3#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-23.3#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-25#PBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-25#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-25#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-25#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-3.3#PBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-3.3#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-3.3#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-3.3#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-5#PBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-5#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-5#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621EMS8E-5#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E#PBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-2#PBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-2#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-2#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-2#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-23.3#PBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-23.3#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-23.3#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-23.3#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-25#PBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-25#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-25#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-25#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-3.3#PBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-3.3#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-3.3#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-3.3#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-5#PBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-5#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-5#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621HMS8E-5#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IDCB#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-2#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-2#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-23.3#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-23.3#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-25#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-25#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-3.3#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-3.3#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-5#TRMPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IDCB-5#TRPBF | 6-Lead DFN (2mm x 3mm w/ EP) | ||
LTC3621IMS8E#PBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-2#PBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-2#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-2#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-2#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-23.3#PBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-23.3#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-23.3#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-23.3#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-25#PBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-25#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-25#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-25#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-3.3#PBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-3.3#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-3.3#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-3.3#WTRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-5#PBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-5#TRPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-5#WPBF | 8-Lead MSOP w/ EP | ||
LTC3621IMS8E-5#WTRPBF | 8-Lead MSOP w/ EP |
产品型号 | 产品生命周期 | PCN |
---|---|---|
4月 11, 2019 - 19_0067 Notification of Wafer Fab Location Change for 0.35 BCD Process |
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LTC3621EDCB#TRMPBF | 量产 | |
LTC3621EDCB#TRPBF | 量产 | |
LTC3621EDCB-2#TRMPBF | 量产 | |
LTC3621EDCB-2#TRPBF | 量产 | |
LTC3621EDCB-23.3#TRMPBF | 量产 | |
LTC3621EDCB-23.3#TRPBF | ||
LTC3621EDCB-25#TRMPBF | ||
LTC3621EDCB-25#TRPBF | 量产 | |
LTC3621EDCB-3.3#TRMPBF | 量产 | |
LTC3621EDCB-3.3#TRPBF | 量产 | |
LTC3621EDCB-5#TRMPBF | 量产 | |
LTC3621EDCB-5#TRPBF | 量产 | |
LTC3621EMS8E#PBF | 量产 | |
LTC3621EMS8E#TRPBF | 量产 | |
LTC3621EMS8E-2#PBF | 量产 | |
LTC3621EMS8E-2#TRPBF | 量产 | |
LTC3621EMS8E-23.3#PBF | 量产 | |
LTC3621EMS8E-23.3#TRPBF | 量产 | |
LTC3621EMS8E-25#PBF | 量产 | |
LTC3621EMS8E-25#TRPBF | 量产 | |
LTC3621EMS8E-3.3#PBF | 量产 | |
LTC3621EMS8E-3.3#TRPBF | 量产 | |
LTC3621EMS8E-5#PBF | 量产 | |
LTC3621EMS8E-5#TRPBF | 量产 | |
LTC3621HMS8E#PBF | 量产 | |
LTC3621HMS8E#TRPBF | 量产 | |
LTC3621HMS8E-2#PBF | 量产 | |
LTC3621HMS8E-2#TRPBF | 量产 | |
LTC3621HMS8E-23.3#PBF | 量产 | |
LTC3621HMS8E-23.3#TRPBF | 量产 | |
LTC3621HMS8E-25#PBF | 量产 | |
LTC3621HMS8E-25#TRPBF | 量产 | |
LTC3621HMS8E-3.3#PBF | 量产 | |
LTC3621HMS8E-3.3#TRPBF | 量产 | |
LTC3621HMS8E-5#PBF | 量产 | |
LTC3621HMS8E-5#TRPBF | 量产 | |
LTC3621IDCB#TRMPBF | 量产 | |
LTC3621IDCB#TRPBF | 量产 | |
LTC3621IDCB-2#TRMPBF | 量产 | |
LTC3621IDCB-2#TRPBF | 量产 | |
LTC3621IDCB-23.3#TRMPBF | 量产 | |
LTC3621IDCB-23.3#TRPBF | 量产 | |
LTC3621IDCB-25#TRMPBF | 量产 | |
LTC3621IDCB-25#TRPBF | 量产 | |
LTC3621IDCB-3.3#TRMPBF | 量产 | |
LTC3621IDCB-3.3#TRPBF | 量产 | |
LTC3621IDCB-5#TRMPBF | 量产 | |
LTC3621IDCB-5#TRPBF | 量产 | |
LTC3621IMS8E#PBF | 量产 | |
LTC3621IMS8E#TRPBF | 量产 | |
LTC3621IMS8E-2#PBF | 量产 | |
LTC3621IMS8E-2#TRPBF | 量产 | |
LTC3621IMS8E-23.3#PBF | 量产 | |
LTC3621IMS8E-23.3#TRPBF | 量产 | |
LTC3621IMS8E-25#PBF | 量产 | |
LTC3621IMS8E-25#TRPBF | 量产 | |
LTC3621IMS8E-3.3#PBF | 量产 | |
LTC3621IMS8E-3.3#TRPBF | 量产 | |
LTC3621IMS8E-5#PBF | 量产 | |
LTC3621IMS8E-5#TRPBF | 量产 | |
6月 5, 2024 - 24_0003 Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2) |
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LTC3621EMS8E#PBF | 量产 | |
LTC3621EMS8E#TRPBF | 量产 | |
LTC3621EMS8E-2#PBF | 量产 | |
LTC3621EMS8E-2#TRPBF | 量产 | |
LTC3621EMS8E-23.3#PBF | 量产 | |
LTC3621EMS8E-23.3#TRPBF | 量产 | |
LTC3621EMS8E-25#PBF | 量产 | |
LTC3621EMS8E-25#TRPBF | 量产 | |
LTC3621EMS8E-3.3#PBF | 量产 | |
LTC3621EMS8E-3.3#TRPBF | 量产 | |
LTC3621EMS8E-5#PBF | 量产 | |
LTC3621EMS8E-5#TRPBF | 量产 | |
LTC3621HMS8E#PBF | 量产 | |
LTC3621HMS8E#TRPBF | 量产 | |
LTC3621HMS8E-2#PBF | 量产 | |
LTC3621HMS8E-2#TRPBF | 量产 | |
LTC3621HMS8E-23.3#PBF | 量产 | |
LTC3621HMS8E-23.3#TRPBF | 量产 | |
LTC3621HMS8E-25#PBF | 量产 | |
LTC3621HMS8E-25#TRPBF | 量产 | |
LTC3621HMS8E-3.3#PBF | 量产 | |
LTC3621HMS8E-3.3#TRPBF | 量产 | |
LTC3621HMS8E-5#PBF | 量产 | |
LTC3621HMS8E-5#TRPBF | 量产 | |
LTC3621HMS8E-5#WPBF | 量产 | |
LTC3621HMS8E-5#WTRPBF | 量产 | |
LTC3621IMS8E#PBF | 量产 | |
LTC3621IMS8E#TRPBF | 量产 | |
LTC3621IMS8E-2#PBF | 量产 | |
LTC3621IMS8E-2#TRPBF | 量产 | |
LTC3621IMS8E-23.3#PBF | 量产 | |
LTC3621IMS8E-23.3#TRPBF | 量产 | |
LTC3621IMS8E-25#PBF | 量产 | |
LTC3621IMS8E-25#TRPBF | 量产 | |
LTC3621IMS8E-3.3#PBF | 量产 | |
LTC3621IMS8E-3.3#TRPBF | 量产 | |
LTC3621IMS8E-5#PBF | 量产 | |
LTC3621IMS8E-5#TRPBF | 量产 | |
2月 3, 2020 - 20_0128 Laser Top Mark for 8 Lead MSOP Packages Assembled in ADPG and UTAC |
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LTC3621EMS8E#PBF | 量产 | |
LTC3621EMS8E#TRPBF | 量产 | |
LTC3621EMS8E-2#PBF | 量产 | |
LTC3621EMS8E-2#TRPBF | 量产 | |
LTC3621EMS8E-23.3#PBF | 量产 | |
LTC3621EMS8E-23.3#TRPBF | 量产 | |
LTC3621EMS8E-25#PBF | 量产 | |
LTC3621EMS8E-25#TRPBF | 量产 | |
LTC3621EMS8E-3.3#PBF | 量产 | |
LTC3621EMS8E-3.3#TRPBF | 量产 | |
LTC3621EMS8E-5#PBF | 量产 | |
LTC3621EMS8E-5#TRPBF | 量产 | |
LTC3621HMS8E#PBF | 量产 | |
LTC3621HMS8E#TRPBF | 量产 | |
LTC3621HMS8E-2#PBF | 量产 | |
LTC3621HMS8E-2#TRPBF | 量产 | |
LTC3621HMS8E-23.3#PBF | 量产 | |
LTC3621HMS8E-23.3#TRPBF | 量产 | |
LTC3621HMS8E-25#PBF | 量产 | |
LTC3621HMS8E-25#TRPBF | 量产 | |
LTC3621HMS8E-3.3#PBF | 量产 | |
LTC3621HMS8E-3.3#TRPBF | 量产 | |
LTC3621HMS8E-5#PBF | 量产 | |
LTC3621HMS8E-5#TRPBF | 量产 | |
LTC3621IMS8E#PBF | 量产 | |
LTC3621IMS8E#TRPBF | 量产 | |
LTC3621IMS8E-2#PBF | 量产 | |
LTC3621IMS8E-2#TRPBF | 量产 | |
LTC3621IMS8E-23.3#PBF | 量产 | |
LTC3621IMS8E-23.3#TRPBF | 量产 | |
LTC3621IMS8E-25#PBF | 量产 | |
LTC3621IMS8E-25#TRPBF | 量产 | |
LTC3621IMS8E-3.3#PBF | 量产 | |
LTC3621IMS8E-3.3#TRPBF | 量产 | |
LTC3621IMS8E-5#PBF | 量产 | |
LTC3621IMS8E-5#TRPBF | 量产 | |
10月 11, 2022 - 22_0244 Epoxy Change from Henkel 8290 to 8290A for MSOP Package |
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LTC3621EMS8E#WPBF | 量产 | |
LTC3621EMS8E#WTRPBF | 量产 | |
LTC3621EMS8E-2#WPBF | 量产 | |
LTC3621EMS8E-2#WTRPBF | 量产 | |
LTC3621EMS8E-23.3#WPBF | 量产 | |
LTC3621EMS8E-23.3#WTRPBF | 量产 | |
LTC3621EMS8E-25#WPBF | 量产 | |
LTC3621EMS8E-25#WTRPBF | 量产 | |
LTC3621EMS8E-3.3#WPBF | 量产 | |
LTC3621EMS8E-3.3#WTRPBF | 量产 | |
LTC3621EMS8E-5#WPBF | 量产 | |
LTC3621EMS8E-5#WTRPBF | 量产 | |
LTC3621HMS8E#WPBF | 量产 | |
LTC3621HMS8E#WTRPBF | 量产 | |
LTC3621HMS8E-2#WPBF | 量产 | |
LTC3621HMS8E-2#WTRPBF | 量产 | |
LTC3621HMS8E-23.3#WPBF | 量产 | |
LTC3621HMS8E-23.3#WTRPBF | 量产 | |
LTC3621HMS8E-25#WPBF | 量产 | |
LTC3621HMS8E-25#WTRPBF | 量产 | |
LTC3621HMS8E-3.3#WPBF | 量产 | |
LTC3621HMS8E-3.3#WTRPBF | 量产 | |
LTC3621IMS8E#WPBF | 量产 | |
LTC3621IMS8E#WTRPBF | 量产 | |
LTC3621IMS8E-2#WPBF | 量产 | |
LTC3621IMS8E-2#WTRPBF | 量产 | |
LTC3621IMS8E-23.3#WPBF | 量产 | |
LTC3621IMS8E-23.3#WTRPBF | 量产 | |
LTC3621IMS8E-25#WPBF | 量产 | |
LTC3621IMS8E-25#WTRPBF | 量产 | |
LTC3621IMS8E-3.3#WPBF | 量产 | |
LTC3621IMS8E-3.3#WTRPBF | 量产 | |
LTC3621IMS8E-5#WPBF | 量产 | |
LTC3621IMS8E-5#WTRPBF | 量产 |
这是最新版本的数据手册
软件资源
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工具及仿真模型
LTspice 3
- LTC3621 - Step-Down (Buck) Regulators
- LTC3621 Demo Circuit - 17V, 1A, 1MHz Monolithic Synchronous Buck Regulator (2.7-17V to 1.2V @ 1A)
- LTC3621-2 Demo Circuit - 17V, 1A, 2.25MHz Monolithic Synchronous Buck Regulator (2.7-17V to 1.2V @ 1A)
LTspice中提供以下器件型号:
- LTC3621
- LTC3621-2
LTpowerCAD 2
LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器,为改善模拟电路的仿真提供增强功能和模型。
LTpowerCAD®是一种电源设计程序,它选择功率级元件,提供详细效率信息,显示快速环路波特图稳定性和负载瞬态分析,并可导出至LTspice进行仿真。
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参考电路
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