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MAX16929FGUI PDF预览

MAX16929FGUI

更新时间： 2024-09-15 11:18:23
品牌 Logo 应用领域
美信 - MAXIM 转换器栅极稳压器升压转换器
页数 文件大小 规格书
25页 2319K
描述
Automotive TFT-LCD Power Supply with Boost Converter and Gate Voltage Regulators

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MAX16929FGUI 数据手册

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19-5857; Rev 0; 5/11  
E V A L U A T I O N K I T A V A I L A B L E  
General Description  
Features  
The MAX16929 is a highly integrated power supply for  
automotive TFT-LCD applications. The device integrates  
one buck converter, one boost converter, one 1.8V/3.3V  
regulator controller, and two gate voltage regulators.  
The device comes in several versions to satisfy com-  
mon automotive power-supply requirements (see the  
Ordering Information/Selector Guide table).  
S Operating Voltage Range of 4V to 28V (Buck) or  
3V to 5.5V (Boost)  
S Independent 28V Input Buck Converter Powers  
TFT Bias Supply Circuitry and External Circuitry  
S High-Power (Up to 6W) Boost Output Providing Up  
to 18V  
S 1.8V or 3.3V Regulator Provides 500mA with  
Designed to operate from a single 4V to 28V supply or  
5.5V to 28V supply, the device is ideal for automotive  
TFT-LCD applications.  
External npn Transistor  
S One Positive-Gate Voltage Regulator Capable of  
Delivering 20mA at 28V  
Both the buck and boost converters use spread-spec-  
trum modulation to reduce peak interference and to opti-  
mize EMI performance.  
S One Negative-Gate Voltage Regulator  
S High-Frequency Operation  
2.1MHz (Buck Converter)  
2.2MHz (Boost Converter)  
The sequencing input (SEQ) allows flexible sequencing  
of the positive-gate and negative-gate voltage regulators.  
The power-good indicator (PGOOD) indicates a failure  
on any of the converters or regulator outputs. Integrated  
thermal shutdown circuitry protects the device from over-  
heating.  
S Flexible Stand-Alone Sequencing  
S True Shutdown™ Boost Converter  
S 6µA Low-Current Shutdown Mode (Buck)  
S Internal Soft-Start  
The MAX16929 is available in a 28-pin TSSOP pack-  
age with exposed pad, and operates over the -40NC to  
+105NC temperature range.  
S Overtemperature Shutdown  
S -40NC to +105NC Operation  
Applications  
Ordering Information/Selector Guide appears at end of data  
sheet.  
Automotive Dashboards  
Automotive Central Information Displays  
Automotive Navigation Systems  
Typical Application Circuit appears at end of data sheet.  
True Shutdown is a trademark of Maxim Integrated Products, Inc.  
For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/MAX16929.related  
����������������������������������������������������������������� Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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