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TPS54357 具有 5.0V 输出电压的 4.5V 至 20V、3A 同步降压 SWIFTTM 转换器

TPS54357 描述

The TPS5435x is a medium output current synchronous buck PWM converter with an integrated high side MOSFET and a gate driver for an optional low side external MOSFET. Features include a high performance voltage error amplifier that enables maximum performance under transient conditions. The TPS5435x has an under-voltage-lockout circuit to prevent start-up until the input voltage reaches a preset value; an internal slow-start circuit to limit in-rush currents; and a power good output to indicate valid output conditions. The synchronization feature is configurable as either an input or an output for easy 180° out of phase synchronization.

The TPS5435x devices are available in a thermally enhanced 16-pin TSSOP (PWP) PowerPADTM package

TPS54352 TPS54353 TPS54354 TPS54355 TPS54356 TPS54357
Iout(Max)(A) 3 3 3 3 3 3
Vin(Min)(V) 4.5 4.5 4.5 4.5 4.5 6.5
Vin(Max)(V) 20 20 20 20 20 20
Vout(Min)(V) 1.2 1.5 1.8 2.5 3.3 5.0
Vout(Max)(V) 1.2 1.5 1.8 2.5 3.3 5.0
Preset Vout(V) 1.2 1.5 1.8 2.5 3.3 5
Iq(Typ)(mA) 9 9 9 9 9 9
Switching Frequency(Max)(kHz) 700 700 700 700 700 700
Switch Current Limit(Typ)(A) 3.3 3.3 3.3 3.3 3.3 3.3
Topology Buck Buck Buck Buck Buck Buck
Operating Temperature Range(°C) -40 to 85 -40 to 85 -40 to 85 -40 to 85 -40 to 85 -40 to 85
Pin/Package 16HTSSOP 16HTSSOP 16HTSSOP 16HTSSOP 16HTSSOP 16HTSSOP
Rating Catalog Catalog Catalog Catalog Catalog Catalog
Duty Cycle(Max)(%) 80 80 80 80 80 80
Regulated Outputs(#) 1 1 1 1 1 1
Thermal Shutdown yes yes yes yes yes yes
TPS54357 特性
TPS54357 芯片订购指南
器件 状态 温度 (oC) 价格(美元) 封装 | 引脚 封装数量 | 封装载体 丝印标记
TPS54357PWP ACTIVE -40 to 85 2.05 | 1ku HTSSOP (PWP) | 16 90 | TUBE PS54357
TPS54357PWPG4 ACTIVE -40 to 85 2.05 | 1ku HTSSOP (PWP) | 16 90 | TUBE PS54357
TPS54357PWPR ACTIVE -40 to 85 1.85 | 1ku HTSSOP (PWP) | 16 2000 | LARGE T&R PS54357
TPS54357PWPRG4 ACTIVE -40 to 85 1.85 | 1ku HTSSOP (PWP) | 16 2000 | LARGE T&R PS54357
TPS54357 质量与无铅数据
器件 环保计划* 铅/焊球涂层 MSL 等级/回流焊峰 环保信息与无铅 (Pb-free) DPPM / MTBF / FIT 率
TPS54357PWP Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM   TPS54357PWP
TPS54357PWPG4 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS54357PWPG4 TPS54357PWPG4
TPS54357PWPR Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM   TPS54357PWPR
TPS54357PWPRG4 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM TPS54357PWPRG4 TPS54357PWPRG4
TPS54357 应用技术支持与电子电路设计开发资源下载
  1. TPS54357 数据资料 dataSheet 下载.PDF
  2. TI 德州仪器非隔离式开关 DC/DC 调节器选型与价格参考 . xls
  3. Dual MOSFET Driver (PDF 498 KB)
  4. 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A) (PDF 2206 KB)
  5. Understanding Boost Power Stages In Switchmode Power Supplies (PDF 149 KB)
  6. Understanding Buck Power Stages In Switchmode Power Supplies (PDF 173 KB)
  7. 标准线性产品交叉参考 (Rev. D) (PDF 1058 KB)
  8. 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
  9. 所选封装材料的热学和电学性质 (PDF 645 KB)
  10. 高速数据转换 (PDF 1967 KB)
TPS54357 相关工具
名称 型号 公司 工具/软件类型
具有固定 3.3V 输出电压、3A、4.5-20V 输入电压的 DC/DC 转换器 TPS54357EVM-058 Texas Instruments 开发电路板/EVM
SwitcherPro(TM) 开关电源设计工具 SWITCHERPRO Texas Instruments 应用软件