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FX5545G206
Vishay
Industry Smallest and Low Profile 15W, 2.5A DC/DC Boost Converter with High Output Power Density
FEATURES
* Fully integrated DC/DC converter * High efficiency over large load range * 100% duty cycle * Power density - more than 550W/inch3 * 1uA shutdown current * 2.7V to 6V input range (1Li+ and 3-cell NiCd or NiMH cells) * 3.3V to 6V output voltage * Programmable PWM/PSM controls * Low output ripple * BGA construction * Temperature range: - 40C to + 85C * No external components required * Output power 15W * Maximum current 2.5A * Low profile 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 programmability to power multiple loads such as power amplifiers, microcontrollers, or baseband logic IC's. For ultra-high efficiency, converters are designed to operate in sychronous 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 - 40C to + 85C.
APPLICATIONS
* Point of Load (POL) applications such as drivers for FPGA's, microprocessors, DSP's, amplifiers, etc. * Cordless phones, PDA's and others * Supply voltage source for low-voltage chip sets * Portable computers * Battery back-up supplies * Cameras
ORDERING INFORMATION
FX
FUNCTION SIZE CIRCUIT IDENTIFIER OUTPUT VOLTAGE - Example: 3.3V should be written as 3V3 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
G206
Document Number: 10133 Revision 14-Jun-04
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FX5545G206
Vishay
DIMENSIONS in inches [millimeters]
L W A B C T Ball Diameter 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] 0.12 max [3 max] 0.03 0.001 [0.762 0.025]
L
W
B
C A
BOTTOM SIDE
PIN CONFIGURATION*
PIN 1, 2 3, 7 4, 8 5, 9 6, 10 11, 12 13, 17 14, 18 15, 19 16, 20 CONNECTION SD SYNC** N/C Vin PWM/PSM N/C GND Vout N/C GND
20 19 18 17 16 15 14 13 12 11 10 8 4 7 3 6 2 9 5 1
Marked on Upper Side
Note: *Pin Description application note is available on page 52. **If not used must be connected to Vin.
RECOMMENDED PAD PATTERN in inches [millimeters]
A 0.1 0.01 [2.54 0.25] D 0.03 0.001 [0.8 0.02] F
T
D
A
0.02 0.001 [0.5 0.02]
F 1 A
TAPE AND REEL
See Tape and Reel Information - Type B
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Document Number: 10133 Revision 14-Jun-04
A
FX5545G206
Vishay
STANDARD ELECTRICAL SPECIFICATIONS
PARAMETER Input Voltage Range Quiescent Current Soft Start Time UNIT VDC A ms CONDITION MINIMUM 2.7 TSS TSS TSS PSM mode for Vout = 6.0V for Vout = 5.0V for Vout = 3.3V VH VL IDD IDD IDD for Vout = 6.0V for Vout = 5.0V for Vout = 3.3V 2.4 0.8 750 250 1 15 14 14 750 1 x 1011 5 15 3.3 - 6 at 25C ambient temperature DC to 20MHz -3 80 1.5 670 FSYNC/FOSC C C C C/WD* 1.2 - 40 - 55 Tj JA 150 82 1.5 + 85 + 125 3 0.03 200 22 22 19 TYPICAL MAXIMUM 6.0
SD, PWM/PSM, SYNC Logic High Logic Low Normal Mode PSM Mode Shutdown Mode Shutdown Time
V V A A A ms
TSS TSS TSS
Insulation Test Voltage Resistance Leakage Current Output Power Voltage Voltage Tolerance Temp. Coefficient Ripple and Noise General Package Weight Oscillator Frequency SYNC Range Temperature Operation Storage Operating Junction Temp. Thermal Impedance Note: *WD = Power Dissipated
VAC nA W VDC % %/C mVpp gr. KHz
60Hz 60sec VISO = 500VDC VISO = 500VDC
Rise Time
Fall Time
Rise Time (PWM mode): Vin = 3V; Vout = 3.3V; Iout = 2.5A
Fall Time (PWM mode): Vin = 3V; Vout = 3.3V; Iout = 2.5A
Document Number: 10133 Revision 14-Jun-04
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FX5545G206
Vishay
Rise Time Fall Time
Rise Time (PWM mode): Vin = 4.5V; Vout = 5V; Iout = 2A
Fall Time (PWM mode): Vin = 4.5V; Vout = 5V; Iout = 2A
Rise Time (PWM mode): Vin = 3.5V; Vout = 5V; Iout = 2A
Fall Time (PWM mode): Vin = 3.5V; Vout = 5V; Iout = 2A
RIse Time (PWM mode): Vin = 3V; Vout = 3.3V; Iout = 2A
Fall Time (PWM mode): Vin = 3V; Vout = 3.3V; Iout = 2A
Rise Time (PWM mode): Vin = 5V; Vout = 6V; Iout = 1A
Fall Time (PWM mode): Vin = 5V; Vout = 6V; Iout = 1A
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Document Number: 10133 Revision 14-Jun-04
FX5545G206
Vishay
Rise Time Fall Time
Rise Time (PWM mode): Vin = 4V; Vout = 6V; Iout = 1A
Fall Time (PWM mode): Vin = 4V; Vout = 6V; Iout = 1A
Rise Time (PWM mode): Vin = 4.5V; Vout = 5V; Iout = 1A
Fall Time (PWM mode): Vin = 4.5V; Vout = 5V; Iout = 1A
Rise Time (PWM mode): Vin = 3.5V; Vout = 5V; Iout = 1A
Fall Time (PWM mode): Vin = 3.5V; Vout = 5V; Iout = 1A
Rise Time (PWM mode): Vin = 3V; Vout = 3.3V; Iout = 1A
Fall Time (PWM mode): Vin = 3V; Vout = 3.3V; Iout = 1A
Document Number: 10133 Revision 14-Jun-04
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FX5545G206
Vishay
PWM MODE 6V
Vout vs. Iout
6.1 6.08 6.06 6.04 6.1 6.08 6.06 6.04
Vout vs. Vin
Vout (v)
6 5.98 5.96 5.94 5.92 5.9 0 0.5 1 1.5 2
Vin=4.5v Vin=4v
Vout (v)
6.02
6.02 6 5.98 5.96 5.94 5.92 5.9
Iout=1A Iout=2A Iout=2.5A
2.5
3
2.5
3
3.5
4
4.5
5
5.5
6
Iout (A)
Vin (v)
Efficiency vs. Iout
100 90 80
Above 25C Ambient Temperature
Vin=4.5v
Temperature (C)
80 70
Vin=4
Temperature Vs. lout
Vin=4v
Efficiency (%)
70 60 50 40 30 20 10 0 0 0.5 1 1.5 2 2.5 3
60 50
Vin=4.5v
40 30 20 10 0 0 0.5 1 1.5 2 2.5 3
Iout (A)
Iout (A)
PWM MODE 5V
Vout vs. Iout
5.2 5.15 5.1
Vout vs. Vin
5.2 5.15 5.1 5.05
Vout (v)
5.05
Vin=4v
5
Vout (v)
Iout=1A
5
Vin=3.5v
4.95 4.9 4.85 4.8 0 0.5 1 1.5 2 2.5 3
Iout=2A
4.95 4.9 4.85 4.8 2 2.5 3
Iout=2.5A
Iout (A)
3.5
4
4.5
5
Vin (v)
Efficiency vs. Iout
100
Temperature vs. Iout
Above 25C Ambient Temperature
70
Vin=4v
90
Vin=3.5v
60
Vin=3.5v
80
Temperature (C)
Efficiency (%)
70 60 50 40 30 20
50
Vin=4v
40 30 20 10
10 0 0 0.5 1 1.5 2 2.5 3
0 0 0.5 1 1.5 2 2.5 3
Iout (A)
Iout (A)
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Document Number: 10133 Revision 14-Jun-04
FX5545G206
Vishay
PWM MODE 3.3V
Vout vs. Iout
3.33
Vout vs. Vin
3.33 3.32 3.31
3.32
3.31
Vout (v)
Vout (v)
Iout=1A
3.3
3.3
Vin=2.7v Vin=3v
Iout=2A
3.29 3.28 3.27
Iout=2.5A
3.29
3.28
3.27 0 0.5 1 1.5 2 2.5 3
2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
Iout (A)
Vin (v)
Efficiency vs. Iout
100
Above 25C Ambient Temperature; Vin=2.5V
Vin=3v
90
Temperature vs. Iout
70 60
Temperature (C)
2.5 3
80
Vin=2.7v
Efficiency (%)
70 60 50 40 30 20 10 0 0 0.5 1 1.5 2
50 40 30 20 10 0 0 0.5 1 1.5 2 2.5 3
Iout (A)
Iout (A)
PSM MODE 6V
Vout vs. Iout
6.1 6.08 6.06 6.06 6.04 6.04 6.02 6 6.1 6.08
Vout vs. Vin
Iout=0.1A
Vout (v)
6 5.98 5.96 5.94 5.92 5.9 0 0.05 0.1 0.15 0.2
Vin=5v
Vout (v)
6.02
Vin=3v
5.98 5.96 5.94 0.25 2 2.5 3 3.5 4 4.5 5
Iout=0.2A
5.5
6
Iout (A)
Vin (v)
Efficiency vs. Iout
100 90 80
Vin=5v Vin=4v
Efficiency (%)
70 60 50 40 30 20 10 0 0 0.05 0.1 0.15 0.2 0.25
Iout (A)
Document Number: 10133 Revision 14-Jun-04
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FX5545G206
Vishay
PSM MODE 5V
Vout vs. Iout
5.1 5.1 5.08 5.05 5.06
Vout vs. Vin
Vin=4v Vout (v)
5.04
Vout(v)
5
5.02 5 4.98 4.96 4.94 4.92
Iout=0.1A Iout=0.2A
4.95
Vin=3v
4.9
4.85 0 0.05 0.1 0.15 0.2 0.25
4.9 2 2.5 3 3.5 4 4.5 5
Iout (A)
Vin (v)
Efficiency vs. Iout
100 90 80
Vin=4v Vin=3v
Efficiency (%)
70 60 50 40 30 20 10 0 0 0.05 0.1 0.15 0.2 0.25
Iout (A)
PSM MODE 3.3V
Vout vs. Iout
3.4 3.38 3.36 3.34
3.4 3.38 3.36 3.34
Vout vs. Vin
Vout (v)
Vout (v)
3.32 3.3 3.28 3.26 3.24 3.22 3.2 0 0.05 0.1 0.15 0.2 0.25
3.32
Iout=0.1A
3.3 3.28
Vin=3v Vin=2.5v
Iout=0.2A
3.26 3.24 3.22 3.2 2.4 2.5 2.6 2.7 2.8 2.9 3 3.1
Iout (A)
Vin (v)
Efficiency vs. Iout
100 90 80
Vin=3v Vin=2.7v
Efficiency (%)
70 60 50 40 30 20 10 0 0 0.05 0.1 0.15 0.2 0.25
Iout (A)
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Document Number: 10133 Revision 14-Jun-04

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