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TPS61141DRCRG4 PDF预览

TPS61141DRCRG4

更新时间： 2024-10-02 04:48:47
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电感器光电二极管输出元件
页数 文件大小 规格书
24页 1493K
描述
DUAL OUTPUT BOOST REGULATOR USING SINGLE INDUCTOR

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中文翻译

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TPS61141DRCRG4 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：QFN-10针数：10
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.23Is Samacsys：N
其他特性：PFM TECHNIQUE IS ALSO POSSIBLE模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制技术：PULSE WIDTH MODULATION最大输入电压：6 V
最小输入电压：3 V标称输入电压：3.6 V
JESD-30 代码：S-PDSO-N10JESD-609代码：e4
长度：3 mm湿度敏感等级：2
功能数量：1端子数量：10
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：1.26 A最大输出电压：27 V
最小输出电压：2.5 V封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装形状：SQUARE
封装形式：SMALL OUTLINE, 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：1 mm
表面贴装：YES切换器配置：BOOST
最大切换频率：1200 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：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

TPS61141DRCRG4 数据手册

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TPS61140  
TPS61141  
www.ti.com  
SLVS624A–JANUARY 2006–REVISED FEBRUARY 2006  
DUAL OUTPUT BOOST REGULATOR USING SINGLE INDUCTOR  
FEATURES  
DESCRIPTION  
•
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3V to 6 V Input Voltage Range  
The TPS61140/1 is a dual output boost converter IC.  
It is intended to be configured as a highly integrated  
power solution providing regulated voltage and  
current output with one boost converter. This device  
is ideal for driving the OLED sub display and WLED  
backlight for the LCD main display in clam shell  
phones. The voltage and current can be individually  
programmed through external resistors. There is a  
dedicated selection pin for each output, so the two  
outputs can be turned on separately or  
simultaneously. When only the voltage output is  
enabled, the boost converter is controlled by pulse  
frequency modulation (PFM) in order to achieve high  
efficiency over a wide load range. If the current output  
is selected, the device adopts a 1.2 MHz pulse width  
modulation control (PWM) method in order to  
maximize output current. Applying an external PWM  
signal to the select pin (SELI) reduces the output  
current thereby allowing WLED dimming.  
Two Outputs Each up to 27 V  
0.7 A Integrated Switch  
Built-in Power Diode  
1.2 MHz PWM for WLED Driver  
PFM for OLED Supply  
Individually Programmable Output  
Input to Output Isolation  
Short-Circuit Protection  
Built-in Soft Start  
Overvoltage Protection  
Up to 82% Efficiency  
Up to 30 kHz PWM Dimming Frequency  
Available in a 10 Pin, 3 × 3 mm QFN Package  
APPLICATIONS  
The TPS61140/1 has a built-in power MOSFET and  
power diode; thereby, eliminating the needs for any  
external active power components. In addition, the  
high switching frequency reduces the external  
inductor and capacitor sizes. Overall, the IC provides  
a highly compact solution with high efficiency and  
plenty of flexibility.  
•
Clamshell Phone With OLED/LCD Screen  
TYPICAL APPLICATION  
L1 10 mH  
3 V to 6 V Input  
C1  
4.7 mF  
SW  
Iout  
Vin  
Vout  
GND  
R1  
C3  
SELI  
1 mF  
VFB  
SEL V  
C2  
4.7 mF  
R2  
ISET  
IFB  
R3  
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.  
Copyright © 2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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TPS61141DRCRG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS61141DRCR TI

完全替代

 DUAL OUTPUT BOOST REGULATOR USING SINGLE INDUCTOR

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