參數(shù)資料
型號: FX5545G211V9
廠商: VISHAY INTERTECHNOLOGY INC
元件分類: 電源模塊
英文描述: 1-OUTPUT 3 W DC-DC REG PWR SUPPLY MODULE
封裝: LOW PROFILE, BGA-20
文件頁數(shù): 1/3頁
文件大?。?/td> 49K
代理商: FX5545G211V9
www.vishay.com
1
FX5545G201
Vishay
Document Number: 10104
Revision 18-Jun-01
For technical questions, contact FunctionPAK@vishay.com
FEATURES
Fully integrated DC/DC converter
High efficiency over large load range
2MHz switching frequency
100% duty cycle
Power density - more than 100W/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
Programmable PWM/PSM controls
Low output ripple
BGA construction
Temperature range: - 40
°C to + 85°C
No external components needed
Output power 3W
Maximum current 1.0A
Low profile
The DC/DC converter provides fully integrated synchronous
buck converter solution for the latest one-cell lithium ion cellu-
lar phones. Its input voltage is between 2.7V to 6V, capable of
delivering up to 1000mA 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 25mV.
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
FX
5545
G201
FUNCTION
SIZE
SERIAL NUMBER
OUTPUT VOLTAGE-Vout = 2.7 as 2V7
ORDERING INFORMATION
APPLICATION
Cordless phones, PDAs and others
Supply voltage source for low-voltage chip sets
Portable computers
Battery back-up supplies
Cameras
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 require-
ments, the DC/DC converter is designed to handle the indus-
trial temperature range of - 40
°C to + 85°C.
Industry Smallest and Low Profile
3W 1000mA DC/DC Buck Converter
with High Output Density Power
相關(guān)PDF資料
PDF描述
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