FX5545G2012V1B5 datasheet, PDF

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FX5545G2012V1B5: DescriptionAnalog Circuit, Hybrid, PBGA20,; CategoryAnalog mixed-signal IC The signal circuit; File Size120KB，3 Pages; ManufacturerVishay; Websitehttp://www.vishay.com

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FX5545G2012V1B5 Overview

Analog Circuit, Hybrid, PBGA20,

FX5545G2012V1B5 Parametric

Parameter Name	Attribute value
Maker	Vishay
package instruction	BGA, BGA20,4X5,100
Reach Compliance Code	unknown
Maximum input voltage	6 V
Minimum input voltage	2.7 V
JESD-30 code	R-PBGA-B20
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output current	1 A
Nominal output voltage	2.1 V
Package body material	PLASTIC/EPOXY
encapsulated code	BGA
Encapsulate equivalent code	BGA20,4X5,100
Package shape	RECTANGULAR
Package form	GRID ARRAY
Certification status	Not Qualified
surface mount	YES
technology	HYBRID
Temperature level	INDUSTRIAL
Terminal form	BALL
Terminal pitch	2.54 mm
Terminal location	BOTTOM

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FX5545G201

Vishay

Industry Smallest and Low Profile

3W 1000mA 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 100W/inch

• 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/LGA 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 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 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

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

FUNCTION

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

G201

Document Number: 10104

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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