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TPS51219RTET PDF预览

TPS51219RTET

更新时间： 2024-02-02 21:56:43
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
36页 945K
描述
High Performance, Single-Synchronous Step-Down Controller with Differential Voltage Feedback

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TPS51219RTET 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：HVQCCN, LCC16,.12SQ,20针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.7其他特性：OPERATES IN ADJUSTABLE MODE FROM 0.5 TO 2V; 1.05 OUTPUT ALSO AVAILABLE
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：4.5 V标称输入电压：5 V
JESD-30 代码：S-PQCC-N16JESD-609代码：e4
长度：3 mm湿度敏感等级：2
功能数量：1端子数量：16
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：2 V
最小输出电压：0.5 V标称输出电压：1 V
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC16,.12SQ,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座面最大高度：0.8 mm
子类别：Switching Regulator or Controllers标称供电电压 (Vsup)：5 V
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：670 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：3 mm
Base Number Matches：1

TPS51219RTET 数据手册

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TPS51219  
www.ti.com  
SLUSAG1B –MARCH 2011–REVISED OCTOBER 2011  
High Performance, Single-Synchronous Step-Down Controller  
with Differential Voltage Feedback  
1
FEATURES  
DESCRIPTION  
The TPS51219 is a small-sized single buck controller  
23  
•
Differential Voltage Feedback  
with adaptive on-time control. It provides a choice of  
control modes (D-CAP™ or D-CAP2™) to meet a  
wide range of system requirements. It is designed for  
tight DC regulation requirements such as the VCCIO  
application for Intel® notebooks. The performance  
and flexibility of the TPS51219 makes it suitable for  
low output voltage, high current, PC system power  
rails and similar point-of-load (POL) power supplies.  
Differential voltage feedback and the voltage  
compensation function combine to provide high  
precision power to load devices.  
•
DC Compensation for Accurate Regulation  
Wide Input Voltage Range: 3 V to 28 V  
•
•
Output Voltage Range: 0.5 V to 2.0 V with  
Fixed Options of 1.05 V and 1.00 V  
•
•
Wide Output Load Range: 0 A to 20 A+  
Adaptive On-Time Modulation with Selectable  
Control Architecture and Frequency  
–
D-CAP™ Mode at 300 kHz/400 kHz for Fast  
Transient Response  
A small package, fixed voltage options and minimal  
external component count saves cost and space,  
while a dedicated EN pin and pre-set frequency  
selections minimize design effort. The skip-mode at  
light load condition, strong gate drivers, and low-side  
FET RDS(on) current sensing provides high efficiency  
operation over a broad load range. The external  
resistor current sense option enables accurate  
current sensing. The conversion input voltage (the  
high-side FET drain voltage) ranges from 3 V to 28 V  
and output voltage ranges from 0.5 V to 2.0 V. The  
device requires an external 5-V supply.  
–
D-CAP2™ Mode at 500 kHz/670 kHz for  
Ceramic Output Capacitor  
•
•
•
•
•
•
•
•
•
4700 ppm/°C, Low-Side RDS(on) Current Sensing  
RSENSE Accurate Current Sense Option  
Internal, 1-ms Voltage Servo Softstart  
Built-In Output Discharge  
Power Good Output  
Integrated Boost Switch  
Built-In OVP/UVP/OCP  
Thermal Shutdown (Non-latched)  
3 mm × 3 mm, 16-Pin, QFN (RTE) Package  
The TPS51219 is available in a 16-pin, QFN package  
and is specified for ambient temperature from -40°C  
to 85°C.  
APPLICATIONS  
•
•
Notebook Computers  
I/O Supplies  
VIN  
V5IN  
PGOOD  
EN  
16  
15  
14  
13  
SW 12  
1
2
VREF  
DH 11  
REFIN  
VOUT  
TPS51219RTE  
V5  
9
GSNS  
VSNS  
3
4
GSNS  
VSNS  
DL 10  
5
6
7
8
UDG-11006  
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
D-CAP, D-CAP2 are trademarks of Texas Instruments.  
Intel is a registered trademark of Intel.  
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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TPS51219RTET 替代型号

型号 品牌 替代类型 描述 数据表
TPS51219RTER TI

完全替代

 High Performance, Single-Synchronous Step-Down Controller with Differential Voltage Feedba

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