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TPS60231RGTT

更新时间： 2024-01-14 21:04:00
品牌 Logo 应用领域
德州仪器 - TI 接口集成电路驱动泵
页数 文件大小 规格书
16页 402K
描述
WHITE LED CHARGE PUMP CURRENT SOURCE WITH PWM BRIGHTNESS CONTROL

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中文翻译

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TPS60231RGTT 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-16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：5.09Is Samacsys：N
输入特性：STANDARD接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：S-PQCC-N16JESD-609代码：e4
长度：3 mm湿度敏感等级：2
复用显示功能：NO功能数量：1
区段数：3端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
输出特性：CONSTANT-CURRENT封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC16,.12SQ,20
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电源：3.6 V
认证状态：Not Qualified座面最大高度：1 mm
子类别：Display Drivers最大供电电压：6.5 V
最小供电电压：2.7 V标称供电电压：3.6 V
表面贴装：YES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 mm
最小 fmax：0.05 MHzBase Number Matches：1

TPS60231RGTT 数据手册

 浏览型号TPS60231RGTT的Datasheet PDF文件第2页浏览型号TPS60231RGTT的Datasheet PDF文件第3页浏览型号TPS60231RGTT的Datasheet PDF文件第4页浏览型号TPS60231RGTT的Datasheet PDF文件第5页浏览型号TPS60231RGTT的Datasheet PDF文件第6页浏览型号TPS60231RGTT的Datasheet PDF文件第7页 
TPS60231  
www.ti.com  
SLVS544–OCTOBER 2004  
WHITE LED CHARGE PUMP CURRENT SOURCE  
WITH PWM BRIGHTNESS CONTROL  
FEATURES  
DESCRIPTION  
•
Regulated Output Current With 0.4%  
Matching  
The TPS60231 charge pump is optimized for white  
LED supplies in color display backlight applications.  
The device provides a constant current for each LED,  
which the initial value can be set by an external  
resistor. The supply voltage ranges from 2.7 V to  
6.5 V and is ideally suited for all applications powered  
by a single LI-Ion battery cell or three to four NiCd,  
NiMH, or alkaline battery cells. Over an input voltage  
range from 3.1 V to 6.5 V, the device provides a high  
output current of up to 25 mA per LED with a total of  
75 mA. High efficiency is achieved by utilizing a  
1x/1.5x fractional conversion technique in combi-  
nation with very low dropout current sources. In  
addition, the current controlled charge pump ensures  
low input current ripple and EMI. Only two external  
1 µF and two 0.47 µF capacitors are required to build  
a complete small and low cost power supply solution.  
To reduce board space to a minimum, the device  
switches at 1 MHz operating frequency and is avail-  
able in a small 16-pin QFN (RGT) package.  
•
•
Drives up to 3 LEDs at 25 mA Each  
LED Brightness Control Through PWM  
Control Signal  
•
High Efficiency by Fractional Conversion  
With 1x and 1.5x Modes  
•
•
•
•
•
•
•
1 MHz Switching Frequency  
2.7 V to 6.5 V Operating Input Voltage Range  
Internal Softstart Limits Inrush Current  
Low Input Ripple and Low EMI  
Overcurrent and Overtemperature Protected  
Undervoltage Lockout With Hysteresis  
Ultra-Small 3mm x 3mm QFN Package  
APPLICATIONS  
•
White LED Backlight for Color Displays in  
Cellular Phones, Smart Phones, PDAs,  
Handheld PCs, Digital Cameras, and  
Camcorders  
VIN  
VOUT  
1 mF  
VIN = 2.7 V  
to 6.5 V  
C1+  
D1  
D2  
0.47 mF  
0.47 mF  
•
Keypad Backlight  
C1−  
C2+  
C2−  
D3  
1 mF  
EN1  
EN2  
GND  
ISET  
PGND  
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 © 2004, Texas Instruments Incorporated  
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TPS60231RGTT 替代型号

型号 品牌 替代类型 描述 数据表
TPS60231RGTTG4 TI

完全替代

 WHITE LED CHARGE PUMP CURRENT SOURCE WITH PWM BRIGHTNESS CONTROL
TPS60231RGTR TI

类似代替

 WHITE LED CHARGE PUMP CURRENT SOURCE WITH PWM BRIGHTNESS CONTROL

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