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TPS51218DSCT PDF预览

TPS51218DSCT

更新时间： 2024-11-23 07:04:47
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
27页 1973K
描述
HIGH PERFORMANCE, SINGLE SYNCHRONOUS STEP-DOWN CONTROLLER FOR NOTEBOOK POWER SUPPLY

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中文翻译

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TPS51218DSCT 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：SON
包装说明：HVSON, SOLCC10,.12,20针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.87其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.7V TO 2.6V
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：6.5 V
最小输入电压：4.5 V标称输入电压：5 V
JESD-30 代码：S-PDSO-N10JESD-609代码：e4
长度：3 mm湿度敏感等级：2
功能数量：1端子数量：10
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：2.6 V
最小输出电压：0.7 V封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装等效代码：SOLCC10,.12,20
封装形状：SQUARE封装形式：SMALL OUTLINE, 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
最大供电电流 (Isup)：0.5 mA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：465 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：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

TPS51218DSCT 数据手册

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TPS51218  
www.ti.com ............................................................................................................................................................... SLUS935A–MAY 2009–REVISED JUNE 2009  
HIGH PERFORMANCE, SINGLE SYNCHRONOUS STEP-DOWN  
CONTROLLER FOR NOTEBOOK POWER SUPPLY  
1
FEATURES  
APPLICATIONS  
•
•
•
Notebook Computers  
I/O Supplies  
System Power Supplies  
2
•
Wide Input Voltage Range: 3 V to 28 V  
Output Voltage Range: 0.7 V to 2.6 V  
Wide Output Load Range: 0 to 20A+  
Built-in 0.5% 0.7 V Reference  
•
•
•
•
DESCRIPTION  
D-CAP™ Mode with 100-ns Load Step  
Response  
The TPS51218 is a small-sized single buck controller  
with adaptive on-time D-CAP™ mode. The device is  
suitable for low output voltage, high current, PC  
system power rail and similar point-of-load (POL)  
power supply in digital consumer products. A small  
package with minimal pin-count saves space on the  
PCB, while a dedicated EN pin and pre-set frequency  
selections minimize design effort required for new  
designs. The skip-mode at light load condition, strong  
gate drivers and low-side FET RDS(on) current sensing  
supports low-loss and high efficiency, over a broad  
load range. The conversion input voltage which is the  
high-side FET drain voltage ranges from 3 V to 28 V  
and the output voltage ranges from 0.7 V to 2.6 V.  
The device requires an external 5-V supply. The  
TPS51218 is available in a 10-pin SON package  
specified from –40°C to 85°C.  
•
Adaptive On Time Control Architecture With 4  
Selectable Frequency Setting  
•
•
•
•
•
•
•
•
•
4700 ppm/°C RDS(on) Current Sensing  
Internal 1-ms Voltage Servo Softstart  
Pre-Charged Start-up Capability  
Built in Output Discharge  
Power Good Output  
Integrated Boost Switch  
Built-in OVP/UVP/OCP  
Thermal Shutdown (Non-latch)  
SON-10 (DSC) Package  
TYPICAL APPLICATION CIRCUIT  
V
IN  
V5IN  
TPS51218  
PGOOD VBST 10  
1
2
3
4
5
TRIP  
EN  
DRVH  
SW  
9
8
7
6
V
OUT  
EN  
VFB  
RF  
V5IN  
DRVL  
GND  
V
_GND  
OUT  
UDG-09064  
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
D-CAP is a trademark 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 © 2009, Texas Instruments Incorporated  
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TPS51218DSCT 替代型号

型号 品牌 替代类型 描述 数据表
TPS51218DSCR TI

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 HIGH PERFORMANCE, SINGLE SYNCHRONOUS STEP-DOWN CONTROLLER FOR NOTEBOOK POWER SUPPLY

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