TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

具有 Eco-mode 的 3.5V 至 28V 输入、5A、570kHz 降压转换器

TPS54531 器件是一款 28V、5A 非同步降压转换器，集成有一个低 RDS(on) 的高侧 MOSFET。该器件会在轻负载时自动激活脉冲跳跃 Eco-mode 功能以提升效率。此外，1μA 的关断电源电流使得该器件适用于电池供电类 应用。具有内部斜坡补偿的电流模式控制简化了外部补偿计算，并在允许使用陶瓷输出电容的同时减少了组件数量。一个电阻分压器设定输入欠压闭锁的滞后时间。过压瞬态保护电路可限制启动和瞬变期间的电压过冲。逐周期电流限制机制、频率折返和热关断特性可在过载条件下对器件和负载施加保护。TPS54531 器件采用 8 引脚 SO PowerPADTM 封装，内部已经过优化，提升 • 输入电压范围：3.5V 至 28V\n• 可调输出电压低至 0.8V \n• 集成型 80mΩ 高侧金属氧化物半导体场效应晶体管 (MOSFET) 支持高达 5A 的持续输出电压\n• 在带有脉冲跳跃的轻负载条件上的高效率 Eco-mode \n• 570kHz 固定开关频率\n• 典型值为 1μA 的关断静态电流\n• 可调慢启动可限制涌入电流\n• 可编程欠压闭锁 (UVLO) 阈值\n• 过压瞬态保护\n• 逐周期电流限制、频率折返和热关断保护\n• 采用易于使用的耐热增强型 8 引脚 SO PowerPADTM 封装;

5A, 28V INPUT, STEP DOWN SWIFT??DC/DC CONVERTER WITH ECO-mode?

文件：1.28451 Mbytes Page：27 Pages

丝印代码：54531；TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

丝印代码：54531；TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

TPS54531 5-A, 28-V Input, SWIFT™ Step-Down Converter With Eco-mode

1 Features • 3.5 to 28-V input voltage range • Adjustable output voltage down to 0.8 V • Integrated 80-mΩ high-side MOSFET supports up to 5-A continuous output current • High efficiency at light loads with a pulse skipping Eco-mode • Fixed 570-kHz switching frequency • Typical 1-μA shutdow

TPS54531 5-A, 28-V Input, Step-Down SWIFT??DC-DC Converter With Eco-mode?

文件：1.23789 Mbytes Page：32 Pages

5A, 28V INPUT, STEP DOWN SWIFT??DC/DC CONVERTER WITH ECO-mode?

文件：1.28451 Mbytes Page：27 Pages

封装/外壳：8-PowerSOIC（0.154"，3.90mm 宽） 功能：降压 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC REG BUCK ADJUSTABLE 5A 8SOPWR 集成电路（IC） 稳压器 - DC-DC 开关稳压器

封装/外壳：8-PowerSOIC（0.154"，3.90mm 宽） 功能：降压 包装：卷带（TR）剪切带（CT）Digi-Reel® 得捷定制卷带 描述：IC REG BUCK ADJUSTABLE 5A 8SOPWR 集成电路（IC） DC DC 开关稳压器

5A, 28V INPUT, STEP DOWN SWIFT??DC/DC CONVERTER WITH ECO-mode?

文件：1.28451 Mbytes Page：27 Pages

7 UNIT 400MA DARLINGTON TRANSISTOR ARRAY WITH CLAMP DIODE

DESCRIPTION M54531P and M54531FP are seven-circuit Darlington transistor arrays with clamping diodes. The circuits are made of NPN transistors. Both the semiconductor integrated circuits perform high-current driving with extremely low input-current supply. FEATURES ● High breakdown voltage (BVC

7-UNIT 400mA DARLINGTON TRANSISTOR ARRAY WITH CLAMP DIODE

文件：67.34 Kbytes Page：4 Pages