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TPS53211 PDF预览

TPS53211

更新时间: 2024-02-22 20:06:52
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
21页 708K
描述
Single-Phase PWM Controller with Light-Load Efficiency Optimization

TPS53211 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,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:5.74其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 9.8V, ALSO OPERATES AS LDO REGULATOR
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:14 V
最小输入电压:4.5 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:20 A最大输出电压:9.8 V
最小输出电压:0.8 V封装主体材料:PLASTIC/EPOXY
封装代码:HVQCCN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
座面最大高度:1 mm表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:1000 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

TPS53211 数据手册

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TPS53211  
www.ti.com  
SLUSAA9 SEPTEMBER 2011  
Single-Phase PWM Controller with Light-Load Efficiency Optimization  
1
FEATURES  
APPLICATIONS  
1.5-V to 19-V Conversion Voltage Range  
4.5-V to 14-V Supply Voltage Range  
Voltage Mode Control  
Server and Desktop Computer Subsystem  
Power Supplies  
DDR Memory and Termination Supply  
Distributed Power Supply  
General DC/DC Converter  
Skip Mode at Light Load for Efficiency  
Optimization  
High Precision 0.5% Internal 0.8-V Reference  
DESCRIPTION  
TPS53211 is a single phase PWM controller with  
integrated high-current drivers. It is used for 1.5 V up  
to 19 V conversion voltage.  
Adjustable Output Voltage from 0.8 V to  
0.7×VIN  
Internal Soft-Start  
Supports Pre-biased Startup  
Supports Soft-Stop  
TPS53211 features  
a skip mode solution that  
optimizes the efficiency at light load condition without  
compromising the output voltage ripple. The device  
provides pre-biased startup, soft-stop, integrated  
bootstrap switch, power good function, EN/Input  
UVLO protection. It supports conversion voltages up  
to 19 V, and output voltages adjustable from 0.8 V to  
0.7×VIN.  
Programmable Switching Frequency from  
250 kHz to 1 MHz  
Overcurrent Protection  
Inductor DCR Sensing for Overcurrent  
RDS(on) Sensing for Zero Current Detection  
Overvoltage and Undervoltage Protection  
Open Drain Power Good Indication  
Internal Bootstrap Switch  
The TPS53211 is available in the 3 mm × 3 mm,  
16-pin, QFN package (Green RoHs compliant and Pb  
free) and is specified from 40°C to 85°C.  
Integrated High-Current Drivers Powered by  
VCCDR  
Small 3 mm x 3 mm, 16-Pin QFN Package  
VIN  
Power  
Enable  
7
Good  
8
6
5
COMP EN PGOOD UGATE  
9
FB  
BOOT  
PHASE  
LGATE  
VCCDR  
4
VOUT  
10 VSEN  
11 FBG  
12 CSN  
3
2
1
TPS53211  
CSP OSC VCC GND  
13  
14  
15  
16  
PVCC  
UDG-11173  
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.  
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 © 2011, Texas Instruments Incorporated  

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