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FX5545G001ADJB5

产品描述Switching Regulator/Controller,
产品类别电源/电源管理    电源电路   
文件大小119KB,共3页
制造商Vishay Telefunken (Vishay)
官网地址http://www.vishay.com
下载文档 详细参数 全文预览

FX5545G001ADJB5概述

Switching Regulator/Controller,

FX5545G001ADJB5规格参数

参数名称属性值
厂商名称Vishay Telefunken (Vishay)
Reach Compliance Codeunknown
Base Number Matches1

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FX5545G001
Vishay
Industry Smallest and Lowest Profile
Synchronous 1.5W 0.6A DC/DC
Buck 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 80W/inch
3
• 1uA shutdown current
• 2.7V to 6V input range (1Li+ and 3-cell NiCd or NiMH cells)
• 1.5V to 3.6V output voltage with max output current of 600mA
• Programmable PWM/PSM controls
• Low output ripple
• BGA/LGA construction
• Temperature range: - 40°C to + 85°C
• No external components needed
• Low profile
The DC/DC converter provides fully integrated synchronous
buck converter solution for the latest one-cell lithium ion
cellular phones. Its input voltage is between 2.7V to 6V,
capable of delivering 600mA of output current at 1.5V to 3.6V.
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/LGA
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
Cellular and cordless phones, PDAs and others
Supply voltage source for low voltage chip sets
Portable computers
Battery back-up supplies
Digital cameras
Routers
Fiber optics
LANS
Image processing
ORDERING INFORMATION
FX
FUNCTIONPAK
SIZE
CIRCUIT IDENTIFIER
OUTPUT VOLTAGE-Example: 2.7V should be written as 2V7 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.
5545
G001
Document Number: 10101
Revision 27-Nov-02
For technical questions, contact FunctionPAK@vishay.com
For marketing questions, contact FunctionPAK.marketing@vishay.com
www.vishay.com
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