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TPS54341DPRT PDF预览

TPS54341DPRT

更新时间: 2024-09-20 01:08:39
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
48页 2124K
描述
4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start and Eco-mode™

TPS54341DPRT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVSON, SOLCC10,.16,32
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.69模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:42 V最小输入电压:4.5 V
标称输入电压:12 VJESD-30 代码:S-PDSO-N10
JESD-609代码:e4长度:4 mm
湿度敏感等级:2功能数量:1
端子数量:10最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:6.8 A
最大输出电压:41.1 V最小输出电压:0.8 V
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装等效代码:SOLCC10,.16,32封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK最大切换频率:2500 kHz
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:NO LEAD端子节距:0.8 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

TPS54341DPRT 数据手册

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TPS54341  
www.ti.com  
SLVSC61 NOVEMBER 2013  
4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Converter With Soft-Start and Eco-mode™  
Check for Samples: TPS54341  
1
FEATURES  
DESCRIPTION  
The TPS54341 device is a 42-V 3.5-A step-down  
regulator with an integrated high-side MOSFET. The  
device survives load-dump pulses up to 45 V per ISO  
7637. Current mode control provides simple external  
compensation and flexible component selection. A  
low-ripple pulse-skip mode reduces the no-load  
supply current to 152 μA. Shutdown supply current is  
reduced to 2 μA when the enable pin is pulled low.  
23  
High Efficiency at Light Loads with Pulse  
Skipping Eco-mode™  
87-mΩ High-Side MOSFET  
152-μA Operating Quiescent Current and  
2-μA Shutdown Current  
100-kHz to 2.5-MHz Adjustable Switching  
Frequency  
Undervoltage lockout is internally set at 4.3 V but can  
increase using an external resistor divider at the  
enable pin. The output voltage startup ramp is  
controlled by the soft start pin that can also be  
configured for sequencing/tracking. An open-drain  
power-good signal indicates the output is within 93%  
to 106% of the nominal voltage.  
Synchronizes to External Clock  
Low Dropout at Light Loads with Integrated  
BOOT Recharge FET  
Adjustable UVLO Voltage and Hysteresis  
UV and OV Power-Good Output  
Adjustable Soft-Start and Sequencing  
0.8-V 1% Internal Voltage Reference  
10-Pin SON with Thermal Pad Package  
–40°C to 150°C TJ Operating Range  
Supported by WEBENCH® Software Tool  
A wide adjustable switching-frequency range allows  
for optimization of either efficiency or external  
component size. Cycle-by-cycle current limit,  
frequency foldback and thermal shutdown protects  
internal and external components during an overload  
condition.  
APPLICATIONS  
The TPS54341 device is available in a 10-pin 4-mm ×  
4-mm SON package.  
Industrial Automation and Motor Control  
Vehicle Accessories: GPS (see SLVA412),  
Entertainment  
USB-Dedicated Charging Ports and Battery  
Chargers (see SLVA464)  
12-V and 24-V Industrial, Automotive and  
Communications Power Systems  
SIMPLIFIED SCHEMATIC  
EFFICIENCY vs LOAD CURRENT  
100  
VIN  
PWRGD  
VIN  
36 V to 12 V  
95  
TPS54341  
90  
85  
BOOT  
EN  
RT/CLK  
SS/TR  
VOUT  
12 V to 3.3 V  
SW  
80  
12 V to 5 V  
75  
70  
COMP  
FB  
VOUT = 12 V, fsw = 620 kHz,  
VOUT = 5 V and 3.3 V, f sw = 400 kHz  
65  
60  
GND  
0
0.5  
1
1.5  
2
2.5  
3
3.5  
C099  
IO - Output Current (A)  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
3
Eco-mode is a trademark of Texas Instruments.  
WEBENCH is a registered trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2013, Texas Instruments Incorporated  

TPS54341DPRT 替代型号

型号 品牌 替代类型 描述 数据表
TPS54361DPRR TI

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具有软启动和 Eco-Mode™ 的 4.5 至 60V 输入 3.5A 降压直流/直流转
TPS54361DPRT TI

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具有软启动和 Eco-Mode™ 的 4.5 至 60V 输入 3.5A 降压直流/直流转
TPS54341DPRR TI

类似代替

4.5-V to 42-V Input, 3.5-A Step-Down DC-DC Co

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