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TPS54425PWPR PDF预览

TPS54425PWPR

更新时间: 2024-09-19 08:38:59
品牌 Logo 应用领域
德州仪器 - TI 输出元件
页数 文件大小 规格书
22页 641K
描述
4-A OUTPUT SINGLE SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET ( SWIFT?)

TPS54425PWPR 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:HTSSOP, TSSOP14,.25针数:14
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.89其他特性:OPERATES IN ADJUSTABLE MODE FROM 0.76 TO 5.5V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-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:2
功能数量:1端子数量:14
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:7.5 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 mm
Base Number Matches:1

TPS54425PWPR 数据手册

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TPS54425  
www.ti.com  
SLVSA84 AUGUST 2010  
4-A OUTPUT SINGLE SYNCHRONOUS STEP DOWN SWITCHER  
WITH INTEGRATED FET ( SWIFT)  
Check for Samples: TPS54425  
1
FEATURES  
DESCRIPTION  
23  
D-CAP2™ Mode Enables Fast Transient  
Response  
The TPS54425 is an adaptive on-time D-CAP2™  
mode synchronous buck converter. The TPS54425  
enables system designers to complete the suite of  
various end equipment’s power bus regulators with a  
cost effective, low component count, low standby  
current solution. The main control loop for the  
TPS54425 uses the D-CAP2™ mode control which  
provides a very fast transient response with no  
external compensation components. The TPS54425  
also has a proprietary circuit that enables the device  
to adopt 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 VIN input. The  
output voltage can be programmed between 0.76 V  
and 5.5 V. The device also features an adjustable  
soft start time and a power good function. The  
TPS54425 is available in the 14-pin HTSSOP  
package, and designed to operate from –40°C to  
85°C.  
Low Output Ripple and Allows Ceramic Output  
Capacitor  
Wide VIN Input Voltage Range: 4.5 V to 18 V  
Output Voltage Range: 0.76 V to 5.5 V  
Highly Efficient Integrated FET’s Optimized  
for Lower Duty Cycle Applications  
– 65 m(High Side) and 55 m(Low Side)  
High Efficiency, less than 10 mA at shutdown  
High Initial Bandgap Reference Accuracy  
Adjustable Soft Start  
Pre-Biased Soft Start  
700-kHz Switching Frequency (fSW  
)
Cycle By Cycle Over Current Limit  
Power Good Output  
APPLICATIONS  
Wide Range of Applications for Low Voltage  
System  
Digital TV Power Supply  
High Definition Blu-ray Disc™ Players  
Networking Home Terminal  
Digital Set Top Box (STB)  
Vout (50 mV/div)  
Iout (2A/div)  
100 ms/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.  
Blu-ray Disc is a trademark of Blu-ray Disc Association.  
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 © 2010, Texas Instruments Incorporated  

TPS54425PWPR 替代型号

型号 品牌 替代类型 描述 数据表
TPS54425PWP TI

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4-A OUTPUT SINGLE SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET ( SWIFT?)

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