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TPS51220ATRTVRQ1 PDF预览

TPS51220ATRTVRQ1

更新时间： 2024-11-23 12:16:15
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功率控制输出元件
页数 文件大小 规格书
50页 1072K
描述
Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller

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TPS51220ATRTVRQ1 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：QFN
包装说明：QFN-32针数：32
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.73Is Samacsys：N
其他特性：ALSO OPERATES AT 5 VOLT OUTPUT; ALSO OPERATES IN ADJUSTABLE FROM 1 TO 12V模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：32 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：S-PQCC-N32
JESD-609代码：e4长度：5 mm
湿度敏感等级：3功能数量：1
端子数量：32最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：20 A
最大输出电压：12 V最小输出电压：1 V
标称输出电压：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC32,.2SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
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：0.8 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：PHASE-SHIFT
最大切换频率：333 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：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5 mm
Base Number Matches：1

TPS51220ATRTVRQ1 数据手册

 浏览型号TPS51220ATRTVRQ1的Datasheet PDF文件第2页浏览型号TPS51220ATRTVRQ1的Datasheet PDF文件第3页浏览型号TPS51220ATRTVRQ1的Datasheet PDF文件第4页浏览型号TPS51220ATRTVRQ1的Datasheet PDF文件第5页浏览型号TPS51220ATRTVRQ1的Datasheet PDF文件第6页浏览型号TPS51220ATRTVRQ1的Datasheet PDF文件第7页 
TPS51220A-Q1  
www.ti.com  
SLUSAI2 –MARCH 2011  
Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller  
Check for Samples: TPS51220A-Q1  
1
FEATURES  
2
•
Qualified for Automotive Applications  
Input Voltage Range: 4.5 V to 32 V  
Output Voltage Range: 1 V to 12 V  
•
•
Powergood Output for Each Channel  
•
•
•
OCL/OVP/UVP/UVLO Protections  
(OVP Disable Option)  
•
•
•
•
•
Thermal Shutdown (Non-Latch)  
Selectable Light Load Operation  
(Continuous / Auto Skip / Out-Of-Audio™ Skip)  
Output Discharge Function (Disable Option)  
Latch-Up exceeds 100mA per JESD78- Class I  
Integrated Boot Strap MOSFET Switch  
QFN-32 (RTV) Package  
•
•
•
•
Programmable Droop Compensation  
Voltage Servo Adjustable Soft Start  
200-kHz to 1-MHz Fixed-Frequency PWM  
Selectable Current/ D-CAP™ Mode  
Architecture  
APPLICATIONS  
•
I/O Bus  
•
•
•
180° Phase Shift Between Channels  
Resistor or Inductor DCR Current Sensing  
Adaptive Zero Crossing Circuit  
•
Point of Load in LCD TV, MFP  
DESCRIPTION  
The TPS51220A-Q1 is a dual synchronous buck regulator controller with two LDOs. It is optimized for 5-V/3.3-V  
system controller, enabling designers to cost effectively complete 2-cell to 4-cell notebook system power supply.  
The TPS51220A-Q1 supports high efficiency, fast transient response, and 99% duty cycle operation. It supports  
supply input voltage ranging from 4.5 V to 32 V, and output voltages from 1 V to 12 V. Two types of control  
schemes can be chosen depending on the application. Peak current mode supports stability operation with lower  
ESR capacitor and output accuracy. The D-CAP mode supports fast transient response. The high duty (99%)  
operation and the wide input/output voltage range supports flexible design for small mobile PCs and a wide  
variety of other applications. The fixed frequency can be adjusted from 200 kHz to 1 MHz by a resistor, and each  
channel runs 180° out-of-phase. The TPS51220A-Q1 can also synchronize to the external clock, and the  
interleaving ratio can be adjusted by its duty. The TPS51220A-Q1 is available in the 32-pin 5×5/4×4 QFN  
package and is specified from –40°C to 105°C.  
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
Out-Of-Audio, D-CAP, PowerPAD are trademarks 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 © 2011, Texas Instruments Incorporated  
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