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TPS54326RGTT PDF预览

TPS54326RGTT

更新时间： 2024-09-16 11:07:11
品牌 Logo 应用领域
德州仪器 - TI 开关控制器开关式稳压器开关式控制器电源电路转换器开关式稳压器或控制器
页数 文件大小 规格书
22页 867K
描述
具有 Eco-Mode™ 的 4.5V 至 18V 输入、3A 同步降压转换器 | RGT | 16 | -40 to 85

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TPS54326RGTT 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：0.87其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.76V TO 5.5V
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：18 V
最小输入电压：2 V标称输入电压：12 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：5.5 A最大输出电压：5.5 V
最小输出电压：0.76 V标称输出电压：5.5 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：1 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：700 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 mmBase Number Matches：1

TPS54326RGTT 数据手册

 浏览型号TPS54326RGTT的Datasheet PDF文件第2页浏览型号TPS54326RGTT的Datasheet PDF文件第3页浏览型号TPS54326RGTT的Datasheet PDF文件第4页浏览型号TPS54326RGTT的Datasheet PDF文件第5页浏览型号TPS54326RGTT的Datasheet PDF文件第6页浏览型号TPS54326RGTT的Datasheet PDF文件第7页 
TPS54326  
www.ti.com  
SLVSA13A –OCTOBER 2009–REVISED OCTOBER 2009  
TM  
4.5V to 18V Input, 3-A Synchronous Step-Down SWIFT Converter with Light Load  
Efficiency  
Check for Samples: TPS54326  
1
FEATURES  
DESCRIPTION  
23  
•
D-CAP2™ Mode Enables Fast Transient  
Response  
The TPS54326 is an adaptive on-time D-CAP2™  
mode synchronous buck converter. The TPS54326  
enables system designers to complete the suite of  
various end equipment’s power bus regulators with a  
cost effective, low component count, low standby  
current solution. The main control loop for the  
TPS54326 uses the D-CAP2™ mode control which  
provides a fast transient response with no external  
components. The adoptive on-time control supports  
seamless operation between PWM mode at heavy  
load condition and reduced frequency operation at  
light load for high efficiency.  
•
Low Output Ripple and Allows Ceramic Output  
Capacitor  
•
•
•
•
Wide VCC Input Voltage Range: 4.5 V to 18 V  
Wide VIN Input Voltage Range: 2 V to 18 V  
Output Voltage Range: 0.76 V to 5.5 V  
Highly Efficient Integrated FET’s Optimized  
for Lower Duty Cycle Applications  
- 120 mΩ (High Side) and 70 mΩ (Low Side)  
•
•
•
•
•
•
•
High Efficiency, less than 10 μA at Shutdown  
High Initial Bandgap Reference Accuracy  
Adjustable Soft Start  
The TPS54326 also has a proprietary circuit that  
enables the device to adapt to both low equivalent  
series resistance (ESR) output capacitors, such as  
POSCAP or SP-CAP, and ultra-low ESR ceramic  
capacitors. The device operates from 4.5-V to 18-V  
VCC input , and from 2-V to 18-V VIN input power  
supply voltage. The output voltage can be  
programmed between 0.76 V and 5.5 V. The device  
also features an adjustable slow start time and a  
power good function. The TPS54326 is available in  
the 14 pin HTSSOP package, and designed to  
operate from –40°C to 85°C.  
Pre-Biased Soft Start  
700-kHz Switching Frequency (fSW  
Cycle-By-Cycle Overcurrent Limit  
Power Good Output  
)
APPLICATIONS  
•
Wide Range of Applications for Low Voltage  
System  
–
–
–
–
Digital TV Power Supply  
High Definition Blu-ray Disc™ Players  
Networking Home Terminal  
Digital Set Top Box (STB)  
V
(50 mV/div)  
OUT  
I
OUT  
(1 A/div)  
100 ms/div  
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-CAP2, PowerPAD are trademarks of Texas Instruments.  
Blu-ray Disc is a trademark of Blu-ray Disc Association.  
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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TPS54326RGTT 替代型号

型号 品牌 替代类型 描述 数据表
TPS54326RGTR TI

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