Datasheet > FX5545G2011V8B1E2

FX5545G2011V8B1E2

更新时间： 2024-10-27 07:40:31

品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
5页	317K
描述
Analog Circuit, Hybrid, PBGA20,

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End of Life, for last available purchase date

please see www.vishay.com/integrated-modules

FX5545G201

Vishay

Industry Smallest and Low Profile

3W 1000mA DC/DC Buck Converter

with High Output Power Density

FEATURES

• Fully integrated DC/DC converter

• High efficiency over large load range

• 2MHz switching frequency

• 100% duty cycle

• Power density - more than 100W/inch³

• 1µA shutdown current

• 2.7V to 6V input range (1Li+ and 3-cell NiCd or NiMH cells)

• 1.35V to 4.5V** 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 3W

• Maximum current 1.0A

• Low profile

• UL recognized component E250930

** Note: For higher output voltage please

consult factory at FunctionPAK@Vishay.com

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 up to 1000mA of output current at 1.5V

to 3.6V.

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.

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 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.

APPLICATION

• Point of Load (POL) applications such as drivers for

FPGA’s, microprocessors, DSP’s amplifiers, etc.

• 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

5545

G201

FUNCTION

SIZE

CIRCUIT IDENTIFIER

OUTPUT VOLTAGE - 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.

For lead (Pb)-free solder please add E2 suffix. Leave blank for regular SnPb.

* Pb containing terminations are not RoHS compliant, exemptions may apply

Document Number: 10104

Revision: 22-Apr-09

For technical questions, contact: FunctionPAK@vishay.com

For marketing questions, contact: FunctionPAK.marketing@vishay.com

www.vishay.com

12 3 4 5

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与FX5545G2011V8B1E2相关器件

型号	品牌	获取价格	描述	数据表
FX5545G2011V8B5	VISHAY	获取价格	Switching Regulator/Controller,
FX5545G2011V8B5E2	VISHAY	获取价格	Analog Circuit, Hybrid, PBGA20,
FX5545G2011V8T1	ETC	获取价格	SMPS Controller
FX5545G2011V8T2	ETC	获取价格	SMPS Controller
FX5545G2011V9	VISHAY	获取价格	DC-DC Regulated Power Supply Module, 1 Output, 3W, Hybrid, LOW PROFILE, BGA-20
FX5545G2011V9B1	ETC	获取价格	SMPS Controller
FX5545G2011V9B5	VISHAY	获取价格	Switching Regulator/Controller,
FX5545G2011V9T1	VISHAY	获取价格	Switching Regulator/Controller,
FX5545G2011V9T2	ETC	获取价格	SMPS Controller
FX5545G2012V0	VISHAY	获取价格	DC-DC Regulated Power Supply Module, 1 Output, 3W, Hybrid, LOW PROFILE, BGA-20

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