描述
TPS54360B是一款采用集成高端MOSFET的60V,3.5A降压稳压器。电流模式控制提供简单的外部补偿和灵活的元件选择。低纹波脉冲跳跃模式可将空载电源电流降至146μA。当使能引脚拉低时,关断电源电流降至2μA。
欠压锁定在内部设置为4.3 V,但可以使用enablepin增加。内部控制输出电压启动斜坡,以提供受控的启动和消除过冲。
宽的开关频率范围可以优化效率或外部元件尺寸。在过载情况下,频率折返和热关断可保护内部和外部元件。
TPS54360B采用8引脚耐热增强型HSOIC PowerPAD™封装。
特性
- 4.5V至60V(最大65V绝对值)输入范围
- 3.5-A连续电流, 4.5-A最小峰值电感电流限制
- 电流模式控制DC /DC转换器
- 92mΩ高侧MOSFET
- 带负载的轻负载时的高效率跳过Eco-mode™
- 带有集成BOOT再充电FET的轻负载下的低压差
- 146-μA工作静态电流
- 2-μA关断电流
- 100-kHz至2.5-MHz固定开关频率
- 与外部时钟同步
- 可调节UVLO电压和滞后
- 内部软启动
- 精确的逐周期电流限制
- 热,过压和频率折返保护
- 0.8 V 1%内部参考电压
- 8-引脚HSOIC采用PowerPAD™封装
- -40°C至150°CT J 工作范围
- 使用带有WEBENCH®Power的TPS54360B创建定制设计设计师
所有商标均为优惠他们各自所有者的rty。
参数 与其它产品相比 降压转换器(集成开关)
Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Switching Frequency (Min) (kHz) Switching Frequency (Max) (kHz) Iq (Typ) (mA) Features Control mode Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Package size: mm2:W x L (PKG) TPS54360B LM76002 LM76003 LMR16030 TPS54360B-Q1 TPS54361 4.5 3.5 3.5 4.3 4.5 4.5 60 60 60 60 60 60 1 1 1 1 0.8 0.8 58.8 57 57 50 58.8 59 3.5 2.5 3.5 3 3.5 3.5 1 1 1 1 1 1 100 300 300 200 100 100 2500 2200 2200 2500 2500 2500 0.146 0.015 0.015 0.04 0.146 0.152 Enable
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Pre-Bias Start-Up
Wettable Flanks Package Enable
Forced Pulse Width Modulation (FPWM) Mode
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking
Wettable Flanks Package Enable
Forced Pulse Width Modulation (FPWM) Mode
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking
Wettable Flanks Package Enable
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Pre-Bias Start-Up
Tracking
UVLO Adjustable Enable
Frequency Synchronization
Light Load Efficiency
Over Current Protection
UVLO Adjustable Enable
Frequency Synchronization
Light Load Efficiency
Over Current Protection
Power Good
Tracking
UVLO Adjustable Current Mode Current Mode Current Mode Current Mode Current Mode Current Mode 98 98 98 98 98 98 -40 to 150 -40 to 125 -40 to 125 -40 to 125 -40 to 125 -40 to 85 Catalog Catalog Catalog Catalog Automotive Catalog SO PowerPAD | 8 WQFN | 30 WQFN | 30 SO PowerPAD | 8 SO PowerPAD | 8 WSON | 10 Converter Converter Converter Converter Converter Converter 8SO PowerPAD: 19 mm2: 3.9 x 4.89 (SO PowerPAD | 8) 30WQFN: 24 mm2: 4 x 6 (WQFN | 30) 30WQFN: 24 mm2: 4 x 6 (WQFN | 30) 8SO PowerPAD: 19 mm2: 3.9 x 4.89 (SO PowerPAD | 8) 8SO PowerPAD: 19 mm2: 3.9 x 4.89 (SO PowerPAD | 8) See datasheet (WSON)
方框图
- TPS54360B - 功能方框图