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TPS54325PWPR PDF预览

TPS54325PWPR

更新时间： 2024-11-09 07:04:47
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光电二极管输出元件PC
页数 文件大小 规格书
20页 1055K
描述
4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET (SWIFT™)

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TPS54325PWPR 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：TSSOP
包装说明：HTSSOP, TSSOP14,.25针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.87Samacsys Confidence：
Samacsys Status：ReleasedSamacsys PartID：576675
Samacsys Pin Count：15Samacsys Part Category：Integrated Circuit
Samacsys Package Category：OtherSamacsys Footprint Name：SOP65P640X120-15N
Samacsys Released Date：2017-01-12 12:59:53Is Samacsys：N
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：4.5 V
标称输入电压：6 VJESD-30 代码：R-PDSO-G14
JESD-609代码：e4长度：5 mm
湿度敏感等级：2功能数量：1
端子数量：14最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.01 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：HTSSOP封装等效代码：TSSOP14,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.2 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：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：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

TPS54325PWPR 数据手册

 浏览型号TPS54325PWPR的Datasheet PDF文件第2页浏览型号TPS54325PWPR的Datasheet PDF文件第3页浏览型号TPS54325PWPR的Datasheet PDF文件第4页浏览型号TPS54325PWPR的Datasheet PDF文件第5页浏览型号TPS54325PWPR的Datasheet PDF文件第6页浏览型号TPS54325PWPR的Datasheet PDF文件第7页 
TPS54325  
www.ti.com ................................................................................................................................................................ SLVS932A–MAY 2009–REVISED JULY 2009  
4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN  
SWITCHER WITH INTEGRATED FET (SWIFT™)  
1
FEATURES  
DESCRIPTION  
23  
•
D-CAP2™ Mode Enables Fast Transient  
Response  
The TPS54325 is an adaptive on-time D-CAP2™  
mode synchronous buck converter. The TPS54325  
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  
TPS54325 uses the D-CAP2™ mode control which  
provides a very fast transient response with no  
external components. The TPS54325 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  
2.0-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  
TPS54325 is available in the 14 pin HTSSOP  
package, and designed to operate from –40 °C to 85  
°C.  
•
Low Output Ripple and Allows Ceramic Output  
Capacitor  
•
•
•
•
Wide VCC Input Voltage Range: 4.5 V to 18 V  
Wide VIN Input Voltage Range: 2.0 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  
Pre-Biased Soft Start  
700-kHz Switching Frequency (fSW  
)
Cycle By Cycle Over Current Limit  
Power Good Output  
APPLICATIONS  
•
Wide Range of Applications for Low Voltage  
System  
–
–
–
–
Digital TV Power Supply  
High Definition Blue-ray Disc™ Players  
Networking Home Terminal  
Digital Set Top Box (STB)  
VIN  
C4  
SGND  
PGND  
VOUT (50 mV / div)  
14  
13  
1
2
VCC  
VO  
R1  
8.42 kΩ  
VFB  
VIN  
VBST  
SW2  
R2  
22 kΩ  
C3  
10 µF  
3
POWERPAD  
TPS54325  
PWP  
12  
11  
C2  
0.1 µF  
VREG5  
C5  
1 µF  
SGND  
VO1  
4
SS  
L1  
1.5 µH  
1.05 V / 3 A  
PGND  
C6  
HTSSOP14  
C1  
5
6
10  
9
GND  
SW1  
IOUT (2 A / div)  
SGND  
Output  
Signal  
PG  
EN  
PGND2  
PGND1  
Input  
Signal  
7
PGND  
8
100 µs / 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
SWIFT, D-CAP2, PowerPAD are trademarks of Texas Instruments.  
Blue-ray Disc is a trademark of Blu-ray Disc.  
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  
1234567...20

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TPS54325PWPR 替代型号

型号 品牌 替代类型 描述 数据表
TPS54325PWP TI

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