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TPS54872PWP

更新时间： 2024-09-15 22:49:39
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德州仪器 - TI 输出元件输入元件
页数 文件大小 规格书
17页 265K
描述
8-A OUTPUT 4-V TO 6-V INPUT TRACKING /TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETS

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TPS54872PWP 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：SSOP
包装说明：HTSSOP,针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.57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：6 V最小输入电压：4 V
标称输入电压：4.5 VJESD-30 代码：R-PDSO-G28
JESD-609代码：e4长度：9.7 mm
湿度敏感等级：2功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：12 A
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
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表面贴装：YES
切换器配置：BUCK最大切换频率：762 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

TPS54872PWP 数据手册

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6,4 mm x 9,7 mm  
www.ti.com  
ꢀꢁ ꢂ ꢃꢄ ꢅꢆ ꢇ  
SLVS436C − JULY 2002 − REVISED FEBRUARY 2005  
ꢅ ꢈ ꢉ ꢊꢋ ꢀꢁꢋ ꢀꢌ ꢄ ꢈꢍ ꢀ ꢊ ꢎꢈ ꢍ ꢏ ꢐꢁ ꢋꢀ ꢀꢑ ꢉꢒ ꢓꢏ ꢐꢔ ꢕ ꢀꢖ ꢑꢗ ꢏꢐ ꢉꢀꢏ ꢊ ꢐ  
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FEATURES  
DESCRIPTION  
D
Tracks Externally Applied Reference Voltage  
As a member of the SWIFTfamily of dc/dc regulators,  
the TPS54872 low-input voltage high-output current  
synchronous-buck PWM converter integrates all  
required active components. Included on the substrate  
with the listed features are a true, high performance,  
voltage error amplifier that enables maximum  
performance under transient conditions and flexibility in  
choosing the output filter L and C components; an  
under-voltage-lockout circuit to prevent start-up until  
the input voltage reaches 3.8 V; an internally set  
slow-start circuit to limit in-rush currents; and a status  
output to indicate valid operating conditions.  
D
30-mΩ MOSFET Switches for High Efficiency  
at 8-A Continuous Output Source or Sink  
Current  
D
D
6% to 90% V Output Tracking Range  
I
Wide PWM Frequency:  
Fixed 350 kHz or Adjustable 280 kHz to  
700 kHz  
D
D
Load Protected by Peak Current Limit and  
Thermal Shutdown  
Integrated Solution Reduces Board Area and  
Total Cost  
APPLICATIONS  
The TPS54872 is available in a thermally enhanced  
28-pin TSSOP (PWP) PowerPADpackage, which  
eliminates bulky heatsinks. TI provides evaluation  
modules and the SWIFT designer software tool to aid  
in quickly achieving high-performance power supply  
designs to meet aggressive equipment development  
cycles.  
D
DDR Memory Termination Voltage  
D
Active Termination of GTL and SSTL  
High-Speed Logic Families  
D
D
DAC Controlled High Current Output Stage  
Precision Point of Load Power Supply  
SIMPLIFIED SCHEMATIC  
TRANSIENT RESPONSE  
Input  
V
V
= 5 V,  
I
V
(DDQ)  
VIN  
PH  
V
= 1.25 V  
(TTQ)  
O
TPS54872  
BOOT  
PGND  
REFIN  
VBIAS  
COMP  
VSENSE  
AGND  
Compensation  
Network  
2 A to 6 A  
t − Time − 100 ms/div  
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.  
PowerPAD and SWIFT are trademarks of Texas Instruments.  
ꢁꢑ ꢊ ꢛꢋ ꢒ ꢀꢏ ꢊꢐ ꢛ ꢉꢀꢉ ꢠꢡ ꢢꢣ ꢤ ꢥꢦ ꢧꢠꢣꢡ ꢠꢝ ꢨꢩ ꢤ ꢤ ꢪꢡꢧ ꢦꢝ ꢣꢢ ꢫꢩꢬ ꢭꢠꢨ ꢦꢧꢠ ꢣꢡ ꢮꢦ ꢧꢪꢯ ꢁꢤ ꢣꢮꢩ ꢨꢧꢝ  
ꢨ ꢣꢡ ꢢꢣꢤ ꢥ ꢧꢣ ꢝ ꢫꢪ ꢨ ꢠ ꢢꢠ ꢨ ꢦ ꢧꢠ ꢣꢡꢝ ꢫ ꢪꢤ ꢧꢰꢪ ꢧꢪ ꢤ ꢥꢝ ꢣꢢ ꢀꢪꢱ ꢦꢝ ꢏꢡꢝ ꢧꢤ ꢩꢥ ꢪꢡꢧ ꢝ ꢝꢧ ꢦꢡꢮ ꢦꢤ ꢮ ꢲ ꢦꢤ ꢤ ꢦ ꢡꢧꢳꢯ  
ꢁꢤ ꢣ ꢮꢩꢨ ꢧ ꢠꢣ ꢡ ꢫꢤ ꢣ ꢨ ꢪ ꢝ ꢝ ꢠꢡ ꢴ ꢮꢣ ꢪ ꢝ ꢡꢣꢧ ꢡꢪ ꢨꢪ ꢝꢝ ꢦꢤ ꢠꢭ ꢳ ꢠꢡꢨ ꢭꢩꢮ ꢪ ꢧꢪ ꢝꢧꢠ ꢡꢴ ꢣꢢ ꢦꢭ ꢭ ꢫꢦ ꢤ ꢦꢥ ꢪꢧꢪ ꢤ ꢝꢯ  
Copyright 2002 − 2005, Texas Instruments Incorporated  
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TPS54872PWP 替代型号

型号 品牌 替代类型 描述 数据表
TPS54872PWPR TI

完全替代

 8-A OUTPUT 4-V TO 6-V INPUT TRACKING /TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED

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