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TPS28225D PDF预览

TPS28225D

更新时间： 2024-02-13 23:00:50
品牌 Logo 应用领域
德州仪器 - TI 驱动器
页数 文件大小 规格书
30页 988K
描述
4-A, 27-V half bridge gate driver with 4-V UVLO for synchronous rectification 8-SOIC -40 to 125

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TPS28225D 技术参数

生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.37
Is Samacsys：N高边驱动器：YES
接口集成电路类型：BUFFER OR INVERTER BASED MOSFET DRIVERJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.89 mm
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE电源：7.2 V
认证状态：Not Qualified座面最大高度：1.75 mm
子类别：MOSFET Drivers最大供电电压：8 V
最小供电电压：4.5 V标称供电电压：7.2 V
表面贴装：YES温度等级：AUTOMOTIVE
端子面层：NICKEL PALLADIUM GOLD端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
宽度：3.9 mmBase Number Matches：1

TPS28225D 数据手册

 浏览型号TPS28225D的Datasheet PDF文件第2页浏览型号TPS28225D的Datasheet PDF文件第3页浏览型号TPS28225D的Datasheet PDF文件第4页浏览型号TPS28225D的Datasheet PDF文件第5页浏览型号TPS28225D的Datasheet PDF文件第6页浏览型号TPS28225D的Datasheet PDF文件第7页 
TPS28225  
www.ti.com  
SLUS710–MAY 2006  
High-Frequency 4-A Sink Synchronous MOSFET Driver  
FEATURES  
DESCRIPTION  
•
•
•
•
•
•
Drives Two N-Channel MOSFETs with 14-ns  
Adaptive Dead Time  
The TPS28225 is a high-speed driver for N-channel  
complimentary driven power MOSFETs with adaptive  
dead-time control. This driver is optimized for use in  
variety of high-current one and multi-phase dc-to-dc  
converters. The TPS28225 is a solution that provides  
highly efficient, small size low EMI emmissions.  
Wide Gate Drive Voltage: 4.5V Up to 8.8V  
With Best Efficiency at 7V to 8V  
Wide Power System Train Input Voltage: 3V  
Up to 27V  
The performance is achieved by up to 8.8-V gate  
drive voltage, 14-ns adaptive dead-time control,  
14-ns propagation delays and high-current 2-A  
source and 4-A sink drive capability. The 0.4-Ω  
impedance for the lower gate driver holds the gate of  
power MOSFET below its threshold and ensures no  
shoot-through current at high dV/dt phase node  
transitions. The bootstrap capacitor charged by an  
internal diode allows use of N-channel MOSFETs in  
half-bridge configuration.  
Wide Input PWM Signals: 2.0V up to 13.2-V  
Amplitude  
Capable Drive MOSFETs with ≥40-A Current  
per Phase  
High Frequency Operation: 14ns Propagation  
Delay and 10ns Rise/Fall Time Allow Fsw -  
2MHz  
•
•
Capable Propagate <30-ns Input PWM Pulses  
Low-Side Driver Sink On-Resistance (0.4Ω)  
Prevents dV/dT Related Shoot-Through  
Current  
The TPS28225 features  
a 3-state PWM input  
compatible with all multi-phase controllers employing  
3-state output feature. As long as the input stays  
within 3-state window for the 250-ns hold-off time,  
the driver switches both outputs low. This shutdown  
•
•
3-State PWM Input for Power Stage Shutdown  
Space Saving Enable (input) and Power Good  
(output) Signals on Same Pin  
mode prevents  
output-voltage.  
a
load from the reversed-  
•
•
•
•
Thermal Shutdown  
UVLO Protection  
The other features include under voltage lockout,  
thermal shutdown and two-way enable/power good  
signal. Systems without 3-state featured controllers  
can use enable/power good input/output to hold both  
outputs low during shutting down.  
Internal Bootstrap Diode  
Economical SOIC-8 and Thermally Enhanced  
3-mm x 3-mm DFN-8 Packages  
•
High Performance Replacement for Popular  
3-State Input Drivers  
The TPS28225 is offered in an economical SOIC-8  
and thermally enhanced low-size Dual Flat No-Lead  
(DFN-8) packages. The driver is specified in the  
extended temperature range of –40°C to 125°C with  
the absolute maximum junction temperature 150°C.  
APPLICATIONS  
•
Multi-Phase DC-to-DC Converters with  
Analog or Digital Control  
•
•
•
Desktop and Server VRMs and EVRDs  
Portable/Notebook Regulators  
Synchronous Rectification for Isolated Power  
Supplies  
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.  
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 © 2006, Texas Instruments Incorporated  
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