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TPS54325TPWPRQ1 PDF预览

TPS54325TPWPRQ1

更新时间: 2024-09-15 12:47:11
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管输出元件
页数 文件大小 规格书
18页 669K
描述
4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET ( SWIFT™)

TPS54325TPWPRQ1 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP-14针数:14
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:1.7Is Samacsys:N
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:18 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G14JESD-609代码:e4
长度:5 mm湿度敏感等级:3
功能数量:1端子数量:14
最高工作温度:105 °C最低工作温度:-40 °C
最大输出电流:0.01 A最大输出电压:5.5 V
最小输出电压:0.76 V标称输出电压:5.5 V
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP14,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified筛选级别:AEC-Q100
座面最大高度:1.2 mm子类别:Switching Regulator or Controllers
标称供电电压 (Vsup):12 V表面贴装:YES
切换器配置:BUCK最大切换频率:700 kHz
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mmBase Number Matches:1

TPS54325TPWPRQ1 数据手册

 浏览型号TPS54325TPWPRQ1的Datasheet PDF文件第2页浏览型号TPS54325TPWPRQ1的Datasheet PDF文件第3页浏览型号TPS54325TPWPRQ1的Datasheet PDF文件第4页浏览型号TPS54325TPWPRQ1的Datasheet PDF文件第5页浏览型号TPS54325TPWPRQ1的Datasheet PDF文件第6页浏览型号TPS54325TPWPRQ1的Datasheet PDF文件第7页 
TPS54325-Q1  
www.ti.com  
SLVSAT1 JUNE 2011  
4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER  
WITH INTEGRATED FET ( SWIFT)  
Check for Samples: TPS54325-Q1  
1
FEATURES  
23  
Qualified for Automotive Applications  
Pre-Biased Soft Start  
700-kHz Switching Frequency (fSW)  
Cycle By Cycle Over Current Limit  
D-CAP2Mode Enables Fast Transient  
Response  
Low Output Ripple and Allows Ceramic Output  
Capacitor  
Wide VCC Input Voltage Range: 4.5 V to 18 V  
Wide VIN Input Voltage Range: 2.0 V to 18 V  
Output Voltage Range: 0.76 V to 5.5 V  
Highly Efficient Integrated FETs Optimized  
for Lower Duty Cycle Applications  
120 m(High Side) and 70 m(Low Side)  
High Efficiency, less than 10 μA at shutdown  
High Initial Bandgap Reference Accuracy  
Adjustable Soft Start  
Power Good Output  
APPLICATIONS  
Wide Range of Applications for Low Voltage  
System  
Digital TV Power Supply  
High Definition Blue-ray DiscPlayers  
Networking Home Terminal  
Digital Set Top Box (STB)  
DESCRIPTION  
The TPS54325-Q1 is an adaptive on-time D-CAP2mode synchronous buck converter. The TPS54325-Q1  
enables system designers to complete the suite of various end equipments power bus regulators with a cost  
effective, low component count, low standby current solution. The main control loop for the TPS54325-Q1 uses  
the D-CAP2mode control which provides a very fast transient response with no external components. The  
TPS54325-Q1 also has a proprietary circuit that enables the device to adapt to both low equivalent series  
resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The  
device operates from 4.5-V to 18-V VCC input , and from 2.0-V to 18-V VIN input power supply voltage. The  
output voltage can be programmed between 0.76 V and 5.5 V. The device also features an adjustable slow start  
time and a power good function. The TPS54325-Q1 is available in the 14 pin HTSSOP package, and designed to  
operate from 40°C to 105°C.  
VOUT (50 mV / div)  
IOUT (2 A / div)  
100 µs / div  
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
SWIFT, D-CAP2, PowerPAD are trademarks of Texas Instruments.  
Blue-ray Disc is a trademark of Blu-ray Disc.  
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 © 2011, Texas Instruments Incorporated  

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