TPS54302 4.5-V to 28-V Input, 3-A Output, EMI Friendly Synchronous Step-Down Converter

文件：1.73731 Mbytes 页数：28 Pages

TI

德州仪器

4.5V 至 28V 输入电压、3A 输出电流、EMI 友好型同步降压转换器

TPS54302 器件是一款输入电压范围为 4.5V 至 28V 的 3A 同步降压转换器。该器件包含两个集成式开关 FET 并且具备内部回路补偿和 5ms 内部软启动功能，可减少元件数量。\n\n通过集成 MOSFET 并采用 SOT-23 封装，TPS54302 器件可实现高功率密度，并且在印刷电路板 (PCB) 上的占用空间非常小。\n\n高级 Eco-mode 实现可尽可能提高轻负载效率并降低功率损耗。\n\n在 TPS54302 器件中，引入了展频频谱操作以降低 EMI。\n\n高侧 MOSFET 上的逐周期电流限制功能可在过载条件下保护转换器并通过防止电流失控的低侧 MOSFET • 4.5V 至 28V 的宽输入电压范围\n• 集成 85mΩ 和 40mΩ MOSFET，持续输出电流为 3A\n• 关断电流低至 2µA，静态电流为 45µA\n• 内部 5ms 软启动\n• 400kHz 固定开关频率\n• 展频频谱可降低 EMI\n• 高级 Eco-mode™ 脉冲跳跃\n• 峰值电流模式控制\n• 内部环路补偿\n• 通过间断模式保护为两个 MOSFET 提供过流保护\n• 过压保护\n• 热关断\n• SOT-23 (6) 封装;

TI

德州仪器

TPS543021 4.5V to 28V, 3A, EMI Friendly, Synchronous Step-Down Converter

1 Features • Configured for a wide range of applications – 4.5V to 28V input voltage range – Up to 3A continuous output current – –40°C to 150°C junction temperature range – 70ns minimum switching on time – ±1% tolerance reference voltage (25°C) – Supports low drop out mode – Precision

文件：3.02691 Mbytes 页数：28 Pages

TI

德州仪器

TPS543021 4.5V to 28V, 3A, EMI Friendly, Synchronous Step-Down Converter

1 Features • Configured for a wide range of applications – 4.5V to 28V input voltage range – Up to 3A continuous output current – –40°C to 150°C junction temperature range – 70ns minimum switching on time – ±1% tolerance reference voltage (25°C) – Supports low drop out mode – Precision

文件：3.10299 Mbytes 页数：30 Pages

TI

德州仪器

TPS543021 4.5V to 28V, 3A, EMI Friendly, Synchronous Step-Down Converter

1 Features • Configured for a wide range of applications – 4.5V to 28V input voltage range – Up to 3A continuous output current – –40°C to 150°C junction temperature range – 70ns minimum switching on time – ±1% tolerance reference voltage (25°C) – Supports low drop out mode – Precision

文件：3.10299 Mbytes 页数：30 Pages

TI

德州仪器

丝印：3021；Package：SOT-5X3(DRL)；TPS543021 4.5V to 28V, 3A, EMI Friendly, Synchronous Step-Down Converter

1 Features • Configured for a wide range of applications – 4.5V to 28V input voltage range – Up to 3A continuous output current – –40°C to 150°C junction temperature range – 70ns minimum switching on time – ±1% tolerance reference voltage (25°C) – Supports low drop out mode – Precision

文件：3.10299 Mbytes 页数：30 Pages

TI

德州仪器

TPS54302 4.5-V to 28-V Input, 3-A Output, EMI Friendly Synchronous Step-Down Converter

文件：1.73731 Mbytes 页数：28 Pages

TI

德州仪器

TPS54302 4.5-V to 28-V Input, 3-A Output, EMI Friendly Synchronous Step-Down Converter

文件：1.73731 Mbytes 页数：28 Pages

TI

德州仪器

4.5V to 30V input, 3A, 400kHz synchronous buck converter

The PTPS543021 is a 4.5V to 28V input voltage range, 3A synchronous buck converter. The device includes two integrated switching FETs, internal loop compensation and 5ms internal soft start to reduce component count.\n\nBy integrating the MOSFETs, the PTPS543021 achieves the high power density and o Configured for a wide range of applications \n \n4.5V to 28V input voltage range\n \nUp to 3A continuous output current\n \n–40°C to 150°C junction temperature range\n \n70ns minimum switching on time\n \n±1% tolerance reference voltage (25°C)\n \nSupports low drop out mode\n \nPrecision enable\;

TI

德州仪器

Package：SOT-23-6 细型，TSOT-23-6；包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 功能：降压 类别：集成电路（IC） 稳压器 - DC-DC 开关稳压器 描述：IC REG BUCK ADJ 3A TSOT23-6

TI

德州仪器