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FX5545G402T2 PDF预览

FX5545G402T2

更新时间: 2022-11-24 21:51:24
品牌 Logo 应用领域
威世 - VISHAY 转换器升压转换器
页数 文件大小 规格书
4页 161K
描述
Industry Smallest and Low Profile 5W 1A DC/DC Boost Converter with High Output Density Power

FX5545G402T2 数据手册

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FX5545G402  
Vishay  
Industry Smallest and Low Profile  
5W 1A DC/DC Boost Converter  
with High Output Density Power  
FEATURES  
• Fully integrated DC/DC converter  
• High efficiency over large load range  
• 2MHz switching frequency  
• 100% duty cycle  
• Power density - more than 150W/inch3  
• 1uA shutdown current  
• 2.5V to 6V input range (1Li+ and 3-cell NiCd or NiMH cells)  
• 3.3V to 6V output voltage  
• Programmable PWM/PSM controls  
• Low output ripple  
• BGA/LGA construction  
Temperature range: - 40°C to + 85°C  
• No external components needed  
• Output power 5W.  
• Maximum current 1000mA  
• Low profile  
The DC/DC converter provides fully integrated synchronous  
boost converter solution for the latest one-cell lithium ion  
cellular phones. Its input voltage is between 2.5V to 6V, capable  
of delivering 1000mA of output current at 3.3V to 6V.  
The DC/DC converter combines the 2MHz-switching  
controller with fully integrated passive components needed  
to deliver the smallest and most efficient converter available  
today. The high switching frequency minimizes the output  
capacitance with peak to peak output ripple as low as 20mV.  
The DC/DC converter delivers efficiency up to 95%.  
The programmable pulse-skipping mode (PSM) maintains  
this high efficiency even during the standby and idle modes  
to increase overall battery life and talktime. In order to extract  
the last ounce of power from the battery, the DC/DC converter  
is designed with 100% duty cycle control for this mode. This  
function enables the DC/DC converter to operate like a  
saturated linear regulator delivering the highest potential  
output voltage for longer talk time.  
The DC/DC converter is available in 20-ports BGA package.  
In order to satisfy the stringent ambient temperature  
requirements, the DC/DC converter is designed to handle  
the industrial temperature range of - 40°C to + 85°C.  
APPLICATION  
• Cordless phones, PDAs and others  
• Supply voltage source for low voltage chip sets  
• Portable computers  
• Battery back-up supplies  
• Cameras  
• Routers  
• Fiber optics  
• LANS  
• Image processing  
ORDERING INFORMATION  
FX  
5545  
G402  
FUNCTION  
SIZE  
CIRCUIT IDENTIFIER  
OUTPUT VOLTAGE-Example: 5.0V should be written as 5V0 as the V indicates the decimal point,  
or ADJ for adjustable version - self selectable output voltage.  
PACKAGING-B1 = 10pcs in bulk; B5 = 50pcs in bulk; T1 = 13” reel; T2 = 7” reel.  
For technical questions, contact FunctionPAK@vishay.com  
For marketing questions, contact FunctionPAK.marketing@vishay.com  
Document Number: 10110  
Revision 13-Mar-03  
www.vishay.com  
17  

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