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TPS54233DG4 PDF预览

TPS54233DG4

更新时间: 2024-11-06 20:50:15
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管输出元件
页数 文件大小 规格书
25页 766K
描述
3.5 to 28V Input, 2A, 300kHz Step-Down Converter with Eco-mode 8-SOIC -40 to 150

TPS54233DG4 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.19其他特性:ALSO HAS OUTPUT VOLTAGE ADJUSTABLE DOWN TO 0.8V
模拟集成电路 - 其他类型:SWITCHING REGULATOR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:3.5 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e4
长度:4.9 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:150 °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:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 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:390 kHz温度等级:AUTOMOTIVE
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

TPS54233DG4 数据手册

 浏览型号TPS54233DG4的Datasheet PDF文件第2页浏览型号TPS54233DG4的Datasheet PDF文件第3页浏览型号TPS54233DG4的Datasheet PDF文件第4页浏览型号TPS54233DG4的Datasheet PDF文件第5页浏览型号TPS54233DG4的Datasheet PDF文件第6页浏览型号TPS54233DG4的Datasheet PDF文件第7页 
TPS54233  
www.ti.com  
SLUS859B OCTOBER 2008REVISED FEBRUARY 2011  
2A, 28V INPUT, STEP DOWN SWIFTDC/DC CONVERTER WITH ECO-MODE™  
Check for Samples: TPS54233  
1
FEATURES  
APPLICATIONS  
Consumer Applications such as Set-Top  
Boxes, CPE Equipment, LCD Displays,  
Peripherals, and Battery Chargers  
Industrial and Car Audio Power Supplies  
5V, 12V and 24V Distributed Power Systems  
2
3.5 V to 28 V Input Voltage Range  
Adjustable Output Voltage Down to 0.8 V  
Integrated 80 mHigh Side MOSFET Supports  
up to 2A Continuous Output Current  
High Efficiency at Light Loads with a Pulse  
Skipping Eco-mode™  
DESCRIPTION  
Fixed 300 kHz Switching Frequency  
Typical 1 μA Shutdown Quiescent Current  
Adjustable Slow Start Limits Inrush Currents  
Programmable UVLO Threshold  
The TPS54233 is a 28 V, 2 A non-synchronous buck  
converter that integrates a low RDS(on) high side  
MOSFET. To increase efficiency at light loads, a  
pulse skipping Eco-modefeature is automatically  
activated. Furthermore, the 1 μA shutdown supply  
current allows the device to be used in battery  
powered applications. Current mode control with  
internal slope compensation simplifies the external  
compensation calculations and reduces component  
count while allowing the use of ceramic output  
capacitors. A resistor divider programs the Hysteresis  
of the input under-voltage lockout. An overvoltage  
transient protection circuit limits voltage overshoots  
during startup and transient conditions. A cycle by  
cycle current limit scheme, frequency fold back and  
thermal shutdown protect the device and the load in  
the event of an overload condition. The TPS54233 is  
available in an 8-pin SOIC package that has been  
internally optimized to improve thermal performance.  
Overvoltage Transient Protection  
Cycle by Cycle Current Limit, Frequency Fold  
Back and Thermal Shutdown Protection  
Available in Easy-to-Use SOIC8 Package  
Supported by SwitcherProSoftware Tool  
(http://focus.ti.com/docs/toolsw/folders/print/s  
witcherpro.html)  
For SWIFTDocumentation, See the TI  
Website at www.ti.com/swift  
SIMPLIFIED SCHEMATIC  
EFFICIENCY  
100  
Ren1  
V
= 3.3 V  
V
O
V
= 12 V  
IN  
= 8 V  
95  
90  
85  
EN  
VIN  
CI  
VIN  
IN  
V
= 15 V  
IN  
Ren2  
TPS54233  
CBOOT  
BOOT  
PH  
LO  
V
= 18 V  
IN  
80  
75  
70  
VOUT  
SS  
CO  
D1  
RO1  
COMP  
C1  
R3  
CSS  
65  
60  
C2  
VSENSE  
GND  
RO2  
0
0.25 0.5 0.75  
1
1.25 1.5 1.75  
2
I
- Output Current - A  
O
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
SWIFT, Eco-mode, SwitcherPro, 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.  
© 20082011, Texas Instruments Incorporated  

TPS54233DG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS54233D TI

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