VISHAY FX5545G006 Technical data

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Industry Smallest and Low Profile

9W 1.5A DC/DC Boost Converter

with High Output Power Density

FX5545G006

Vishay

FEATURES

• Fully integrated DC/DC converter

• High efficiency over large load range

• 100% duty cycle

• Power density - more than 330W/inch

• 1µA 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

• Low output ripple

• BGA construction

• Temperature range: - 40°C to + 85°C

• No external components needed

• Output power 9W

• Maximum current 1.5A

• Low profile

controls

3

The DC/DC converter is a programmable topology
synchronized Boost converter for today’s continuous
changing portable electronic market. The DC/DC converter
provides flexibility of utilizing various battery configurations
and chemistries such as NiCd, NiMH, or Li+ with an input
voltage range of 2.5V to 6V. An additional flexibility is
provided with topology programmibility to power multiple
loads such as power amplifiers, microcontrollers, or
baseband logic IC’s. For ultra-high efficiency, converters are
designed to operate in synchronous rectified PWM mode
under full load while transforming into externally controlled
pulse-skipping mode (PSM

) under light load.

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

• 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

ORDERING INFORMATION

FX 5545 G006

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.

For lead (Pb)-free solder please add E2 suffix.

Document Number: 10122 For technical questions, contact Function
Revision: 18-Jan-05 15

For marketing questions, contact FunctionPA [e-mail]

PAK @vishay.com

www.vishay.com

FX5545G006

Vishay

DIMENSIONS in inches [millimeters]

L

W

A

B

C

T

Ball Diameter

BOTTOM SIDE

20

19 18 17

15 14

16

13

12 11109

876

5

32

4

1

*Note: Pin Description application note is available at
www.vishay.com/doc?10119

**Note: if not used must be connected to Vin.

0.58 ± 0.01

[14.7 ± 0.25]

0.48 ± 0.01

[12.2 ± 0.25]

0.1 ± 0.01

[2.54 ± 0.25]

0.09 ± 0.01

[2.29 ± 0.25]

0.09 ± 0.01

[2.27 ± 0.25]

0.126 max
[3.2 max]

0.03 ± 0.001

[0.762 ± 0.025]

Marked on Upper Side

W

L

T

PIN CONFIGURATION*

PIN CONNECTION

1, 2 SD

3, 7 SYNC**

4, 8

5, 9 Vin

6, 10 PWM/PSM

11, 1 2 N/ C

13, 17 GND

14, 18 Vout

15, 19 N/C

16, 20 GND

B

A

C

A

N/C

RECOMMENDED PAD PATTERN

ADF

in inches [millimeters]

A

D

F

0.1 ± 0.01

[2.54 ± 0.25]

0.03 ± 0.001
[0.8 ± 0.02]

0.02 ± 0.001
[0.5 ± 0.02]

A

TAPE AND REEL

See Tape and Reel Information - Type B

www.vishay.com For technical questions, contact Function
16 Revision: 18-Jan-05

For marketing questions, contact FunctionPAK [e-mail]

[e-mail]

Document Number: 10122

FX5545G006

STANDARD ELECTRICAL SPECIFICATIONS

PARAMETER UNIT CONDITION MIN TYP MAX

Input

Voltage Range V
Quiescent Current
Soft Start Time ms T

SD, PWM/PSM

,SYNC

Logic High V V
Logic Low V V
Normal Mode
PSM

Mode µA I

Shutdown Mode
Shutdown Time ms T

DC

µA PSM mode 200

for Vout = 6.0V 19

SS

T

for Vout = 5.0V 19

SS

T

for Vout = 3.3V 19

SS

H

µA I

µA I

T
T

L

DD

DD

DD

for Vout = 6.0V 15

SS

for Vout = 5.0V 14

SS

for Vout = 3.3V 14

SS

Insulation

Test Voltage V

AC

Resistance Ω V
Leakage Current nA V

60Hz 60sec 750

= 500V

ISO

ISO

= 500V

DC

DC

Output

Power W 9
Voltage V

DC

Voltage Tolerance % at 25 °C Ambient Temperature - 3 3
Temp. Coefficient %/°C 0.03
Ripple and Noise mVpp DC to 20MHz 60

General

Package Weight gr. 1.5

Oscillator

Frequency KHz 670
SYNC Range KHz F

SYNC/FOSC

Temperature

Operation °C - 40 + 85
Storage °C - 55 + 125
Operating Junction Temp. °C T
Thermal Impedance °C/W

* θ

D

j

JA

*Note: WD = Power Dissipated

2.5 6

2.4

11

1 x 10

3.3 to 6

1.2 1.5

150

82

Vishay

0.8
750
250

1

5

Rise Time

Rise Time (PWM mode): Vin = 5V; Vout = 6V; lout = 1A

Fall Time (PWM mode): Vin = 5V; Vout = 6V; lout = 1A

Fall Time

Document Number: 10122 For technical questions, contact Function
Revision: 18-Jan-05 17

For marketing questions, contact FunctionPA [e-mail]

PAK @vishay.com

www.vishay.com

FX5545G006

Vishay

Rise Time

Rise Time (PWM mode): Vin = 4V; Vout = 6V; lout = 1A

Fall Time

Fall Time (PWM mode): Vin = 4V; Vout = 6V; lout = 1A

Rise Time (PWM mode): Vin = 4.5V; Vout = 5V; lout = 1A

Rise Time (PWM mode): Vin = 3.5V; Vout = 5V; lout = 1A

Fall Time (PWM mode): Vin = 4.5V; Vout = 5V; lout = 1A

Fall Time (PWM mode): Vin = 3.5V; Vout = 5V; lout = 1A

Rise Time (PWM mode): Vin = 3V; Vout = 3.3V; lout = 1A

www.vishay.com For technical questions, contact Function
18 Revision: 18-Jan-05

For marketing questions, contact FunctionPAK [e-mail]

Fall Time (PWM mode): Vin = 3V; Vout = 3.3V; lout = 1A

[e-mail]

Document Number: 10122

Iout=1A

PWM MODE 6V

FX5545G006

Vishay

Vout vs. Iout

6.1

6.08

6.06

6.04

6.02

6

Vout (v)

5.98

5.96

5.94

5.92

5.9
0 0.5 1 1.5 2

Iout (A)

Vin=4.5v

Vin=4v

Efficiency vs. Iout

100

90

80

70

60

50

40

Efficiency (%)

30

20

10

0

0 0.5 1 1.5 2

Iout (A)

Vin=4.5v

Vin=4v

6.1

6.08

6.06

6.04

6.02

6

Vout (v)

5.98

5.96

5.94

5.92

5.9

2.5 3 3.5 4 4.5 5 5.5 6

Above 25ºC Ambient Temperature

35

30

25

20

15

∆Temperature (ºC)

10

5

0

0 0.5 1 1.5 2

Vout vs. Vin

Iout=1A

Iout=1.5A

Vin (v)

∆Temperature vs. Iout

Vin=4v

Vin=4.5v

Iout(A)

PWM MODE 5V

Vout vs. Iout

5.2

5.15

5.1

5.05

5

Vout (v)

4.95

4.9

4.85

4.8
0 0.5 1 1.5 2

Iout (A)

Vin=4v

Vin=3.5v

5.2

5.15

5.1

5.05

5

Vout (v)

4.95

4.9

4.85

4.8
2 2.5 3 3.5 4 4.5 5

Efficiency vs. Iout

100

90

80

70

60

50

40

Efficiency (%)

30

20

10

0

0 0.5 1 1.5 2 2.5

Iout (A)

Vin=4v

Vin=3.5v

Document Number: 10122 For technical questions, contact Function
Revision: 18-Jan-05 19

For marketing questions, contact FunctionPA [e-mail]

30

25

20

15

∆Temperature (°C)

10

5

0

0 0.5 1 1.5 2

PAK @vishay.com

Vout vs. Vin

Iout=1.5A

Vin (v)

∆Temperature vs. Iout

Above 25°C Ambient Temperature

Vin=3.5v

Vin=4

Iout (A)

www.vishay.com

FX5545G006

Vishay

PWM MODE 3.3V

Vout vs. Iout

3.33

3.32

3.31

3.3

Vout (v)

3.29

3.28

3.27
0 0.5 1 1.5 2

Iout (A)

Vin=2.7v

Vin=3v

Efficiency vs. Iout

100

90

80

70

60

50

40

Efficiency (%)

30

20

10

0

0 0.5 1 1.5 2

Iout (A)

Vin=3v

Vin=2.7v

Vout vs. Iout

6.1

6.08

6.06

6.04

6.02

6

Vout (v)

5.98

5.96

5.94

5.92

5.9
0 0.05 0.1 0.15 0.2 0.25

Iout (A)

Vin=3v

PSM MODE 6V

Vin=5v

Vout vs. Vin

3.33

3.32

3.31

Iout=1A

3.3

Vout (v)

3.29

3.28

3.27

2.4 2.5 2.6 2.7 2.8 2.9 3 3.1

Iout=1.5A

Vin (v)

∆Temperature vs. Iout

Above 25°C Ambient Temperature; Vin=2.5V

30

25

20

15

10

∆Temperature (°C)

5

0

0 0.5 1 1.5 2

Iout (A)

Vout vs. Vin

6.1

6.08

6.06

6.04

6.02

Vout (v)

6

5.98

5.96

5.94
2 2.5 3 3.5 4 4.5 5 5.5 6

Vin (v)

Iout=0.1A

Iout=0.2A

Efficiency vs. Iout

100

90

80

70

60

50

40

Efficiency (%)

30

20

10

0

0 0.05 0.1 0.15 0.2 0.25

Iout (A)

www.vishay.com For technical questions, contact Function
20 Revision: 18-Jan-05

For marketing questions, contact FunctionPAK [e-mail]

Vin=5v

Vin=4v

[e-mail]

Document Number: 10122

Vout vs. Iout

(A)

FX5545G006

Vishay

PSM MODE 5V

Vout vs. Vin

5.1

5.05

5

Vout (v)

4.95

4.9

4.85
0 0.05 0.1 0.15 0.2 0.25

Iout (A)

100

90

80

70

60

50

40

Efficiency (%)

30

20

10

0

Vin=4v

Vin=3v

0 0.05 0.1 0.15 0.2 0.25

Vout(v)

Iout (A)

PSM MODE 3.3V

5.1

5.08

5.06

5.04

5.02

5

4.98

4.96

4.94

4.92

4.9
2 2.5 3 3.5 4 4.5 5

Vin=5v

Vin=4v

Iout=0.1A

Iout=0.2A

Vin (v)

Vout vs. Iout

3.4

3.38

3.36

3.34

3.32

3.3

Vout (v)

3.28

3.26

3.24

3.22

3.2
0 0.05 0.1 0.15 0.2 0.25

Iout (A)

Vin=3v

Vin=2.5v

3.4

3.38

3.36

3.34

3.32

3.3

Vout (v)

3.28

3.26

3.24

3.22

3.2

2.4 2.5 2.6 2.7 2.8 2.9 3 3.1

Vout vs. Vin

Iout=0.1A

Iout=0.2A

Vin (v)

Efficiency vs. Iout

100

90

80

70

60

50

40

Efficiency (%)

30

20

10

0

0 0.05 0.1 0.15 0.2 0.25

Iout

Document Number: 10122 For technical questions, contact Function
Revision: 18-Jan-05 21

For marketing questions, contact FunctionPA [e-mail]

Vin=3v

Vin=2.7v

PAK @vishay.com

www.vishay.com

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