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TPS51285BRUKT

更新时间： 2024-11-23 12:02:43
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
32页 1375K
描述
Ultra-Low Quiescent (ULQ™) Dual Synchronous Step-Down Controller with 5V and 3.3V LDOs

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中文翻译

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TPS51285BRUKT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：HVQCCN, LCC20,.11SQ,16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：0.75其他特性：3.3, 5V OUTPUT AVAILABLE. ALSO OPERATES IN ADJUSTABLE MODE RANGE 10%
模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：24 V
最小输入电压：5 V标称输入电压：12 V
JESD-30 代码：S-PQCC-N20JESD-609代码：e4
长度：3 mm湿度敏感等级：2
功能数量：1端子数量：20
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：3.333 V
最小输出电压：3.267 V标称输出电压：3.3 V
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC20,.11SQ,16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：0.8 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：475 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：0.4 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 mm
Base Number Matches：1

TPS51285BRUKT 数据手册

 浏览型号TPS51285BRUKT的Datasheet PDF文件第2页浏览型号TPS51285BRUKT的Datasheet PDF文件第3页浏览型号TPS51285BRUKT的Datasheet PDF文件第4页浏览型号TPS51285BRUKT的Datasheet PDF文件第5页浏览型号TPS51285BRUKT的Datasheet PDF文件第6页浏览型号TPS51285BRUKT的Datasheet PDF文件第7页 
TPS51285A  
TPS51285B  
www.ti.com  
SLVSBX0 –APRIL 2013  
Ultra-Low Quiescent (ULQ™) Dual Synchronous Step-Down Controller with  
5V and 3.3V LDOs  
Check for Samples: TPS51285A, TPS51285B  
1
FEATURES  
APPLICATIONS  
2
•
•
Input Voltage Range: 5 V to 24 V  
•
•
Notebook Computers  
Tablet Computers  
Output Voltages: 5 V and 3.3 V (Adjustable  
Range ±10%)  
DESCRIPTION  
•
•
•
•
Built-in, 100-mA, 5-V and 3.3-V LDOs  
Clock Output for Charge-Pump  
±1% Reference Accuracy  
The TPS51285A and TPS51285B are cost-effective,  
dual synchronous buck controllers with 5-V and 3.3-V  
LDOs, targeted for notebook system-power supply  
solutions. The device achieves low power  
consumption by the use of auto-skip and ULQ™  
modes, which is beneficial for long battery life in  
system stand-by mode. The 256-kHz VCLK output is  
provided to drive an external charge pump,  
generating gate drive voltage for the load switches  
with minimum power consumption in the main  
converter. The device employs adaptive on-time D-  
CAP™ mode control which enables fast load  
transient response without external compensation  
network. The TPS51285A/B operates with supply  
input voltage ranging from 5V to 24V and supports  
output voltages of 5 V and 3.3 V. The TPS51285A  
and TPS51285B are available in a 20-pin 3 x 3 (mm)  
QFN package and is specified from -40°C to 85°C.  
Adaptive On-Time D-CAP™ Mode Control  
Architecture with 400 kHz (CH1) and 475 kHz  
(CH2) Frequency  
•
Auto-skip and ULQ™ modes for long battery  
life in system stand-by mode  
•
•
•
•
•
•
•
•
•
Internal 0.8-ms Voltage Servo Soft-Start  
Low-Side RDS(on) Current Sensing Scheme  
Built-In Output Discharge Function  
Separate Enable Input for Switchers  
Dedicated OC Setting Terminals  
Power Good Indicator  
OVP, UVP and OCP Protection  
Non-Latch UVLO and OTP Protection  
20-Pin, 3 mm x 3 mm, QFN (RUK)  
NEED SOME SPACE  
ORDERING INFORMATION(1)  
ORDERABLE  
DEVICE NUMBER  
ALWAYS On-LDO  
OUTPUT SUPPLY  
QUANTITY  
TPS51285ARUKR  
TPS51285ARUKT  
TPS51285BRUKR  
TPS51285BRUKT  
Tape and Reel  
Mini reel  
3000  
250  
VREG3  
Tape and Reel  
Mini reel  
3000  
250  
VREG3 and VREG5  
(1) For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the TI  
website at www.ti.com.  
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
D-CAP, ULQ 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.  
Copyright © 2013, Texas Instruments Incorporated  
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中文翻译

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TPS51285BRUKT 替代型号

型号 品牌 替代类型 描述 数据表
TPS51285BRUKR TI

完全替代

 Ultra-Low Quiescent (ULQ™) Dual Synchronous
TPS51285ARUKR TI

完全替代

 Ultra-Low Quiescent (ULQ™) Dual Synchronous

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