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 K.marketing@vishay.com
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 .marketing@vishay.com
PAK@vishay.com
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 K.marketing@vishay.com
PAK @vishay.com
www.vishay.com
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