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TPS51511RHLRG4 PDF预览

TPS51511RHLRG4

更新时间： 2024-11-02 15:54:59
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
30页 1357K
描述
SWITCHING CONTROLLER, 350kHz SWITCHING FREQ-MAX, PQCC20, GREEN, PLASTIC, QFN-20

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TPS51511RHLRG4 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：QFN
包装说明：HVQCCN, LCC20/24,.14X.18,20针数：20
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.67
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：28 V
最小输入电压：3 V标称输入电压：12 V
JESD-30 代码：R-PQCC-N20JESD-609代码：e4
长度：4.5 mm湿度敏感等级：2
功能数量：1端子数量：20
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：2 A封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC20/24,.14X.18,20
封装形状：RECTANGULAR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：1 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：PUSH-PULL
最大切换频率：350 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：3.5 mm
Base Number Matches：1

TPS51511RHLRG4 数据手册

 浏览型号TPS51511RHLRG4的Datasheet PDF文件第2页浏览型号TPS51511RHLRG4的Datasheet PDF文件第3页浏览型号TPS51511RHLRG4的Datasheet PDF文件第4页浏览型号TPS51511RHLRG4的Datasheet PDF文件第5页浏览型号TPS51511RHLRG4的Datasheet PDF文件第6页浏览型号TPS51511RHLRG4的Datasheet PDF文件第7页 
TPS51511  
www.ti.com  
SLVS735A–FEBRUARY 2007–REVISED APRIL 2007  
Synchronous Switcher Controller With 2-A LDO for GPU Power  
FEATURES  
–
–
–
Optional PGOOD  
•
Switcher Controller:  
Output Discharge  
Thermal Shutdown  
–
Adjustable-Output Buck Converter, 0.75 V  
to 3.3 V  
APPLICATIONS  
–
–
Wide Input Voltage Range: 3.0-V to 28-V  
•
GPU Power  
D-CAP™ Mode with 100-ns Load Step  
Response  
•
Notebook Computers  
–
Current Mode Option Supports Ceramic  
Output Capacitors  
DESCRIPTION  
The TPS51511 is  
a
350-kHz D-CAP-mode  
–
–
Current Sensing From RDS(ON) or Resistor  
synchronous switcher with a 2-A, source-only low  
drop-out (LDO) regulator. It is specifically designed  
for low cost/low noise/low external-component count  
power systems for GPU applications. The integrated  
'OD' switch in the buck controller supports dynamic  
output voltage change. The current mode option of  
the synchronous buck converter can support pure  
Internal Switch Supports Dynamic Output  
Voltage Change  
–
–
–
–
Advanced PGOOD Mask Feature  
Equipped With PGOOD, OVP and UVP  
Output Discharge  
5 V UVLO Protection  
output  
ceramic-capacitor  
applications.  
The  
open-drain LDO power-good signal can be accessed  
through the OD pin when it is needed in the  
application. The TPS51511 is available in the  
thermally-enhanced 20-pin QFN package, and is  
specified from –40°C to 85°C.  
•
LDO Regulator:  
–
–
–
–
2-A LDO for GPU I/O Power  
Input Range: Up to 5 V  
Output Range: 0.75 V to 3.3 V  
Requires Only 20-µF Ceramic Output  
Capacitor for LDO Output  
+1.8 V_LDOIN  
V
= 3 V to 28 V  
I
20  
1
GPU_core  
+1.1 V_Lower Power  
+1.2 V_Performance  
PCI Express I/O  
+1.2 V/ 2 A  
NC  
DRVH 19  
2
3
4
5
6
18  
17  
LL  
VLDO  
VLDOFB  
GND  
DRVL  
PGND 16  
CS 15  
TPS51511  
ODOFF  
OD  
V5IN 14  
7
8
ODOFF = Lo, 1.2 V  
ODOFF = Hi, 1.1 V  
13  
12  
PGOOD  
ENSW  
COMP  
VOSW  
+5 V  
9
PGOOD  
10  
11  
ENSW  
ENLDO  
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.  
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 © 2007, Texas Instruments Incorporated  
1234567...30

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TPS51511RHLRG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS51511RHLT TI

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TPS51511RHLR TI

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