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DP8105 Arkusz danych(PDF) 3 Page - Power-One

Numer części DP8105
Szczegółowy opis  8V to 14V Input , 0.7V to 5.5V Output
PDF  35 Pages
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Producent  POWER-ONE [Power-One]
Strona internetowa  http://www.power-one.com
Logo POWER-ONE - Power-One

DP8105 Arkusz danych(HTML) 3 Page - Power-One

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DP8105 5A DC-DC Intelligent dPOL Data Sheet
8V to 14V Input •••• 0.7V to 5.5V Output
BCD.00261 Rev. 1.0, 12 Feb 2013
www.power-one.com
Page 3 of 35
4.
Electrical Specifications
Specifications apply at the input voltage from 8V to 14V, output load from 0 to 5A, ambient temperature from
-40°C to 85°C. Test conditions include an output filter with 2 x 330µF 20m
solid electrolytic plus 1 x 22µF X7R
ceramic output capacitors, unless otherwise noted..
4.1
Input Specifications
Parameter
Conditions/Description
Min
Nom
Max
Units
Input voltage (VIN)
8
14
VDC
Input Current (at no load)
VIN=14.0V, VOUT=3.3V
50
mADC
Undervoltage Lockout
Ramping Up
Ramping Down
5
7.5
VDC
VDC
VLDO Input Current
Current drawn from the external low
voltage supply at VLDO=8V
50
mADC
4.2
Output Specifications
Parameter
Conditions/Description
Min
Nom
Max
Units
Output Voltage Range (VOUT)
0.7
5.5
VDC
Output Voltage Setpoint
Resolution
2.5mV (1LSB)
Output Voltage Setpoint Accuracy
2
nd Vo Loop Enabled
±(0.6% + 5mV)
Output Current (IOUT)
VIN MIN to VIN MAX
-5.5
2
7
ADC
Line Regulation
VIN MIN to VIN MAX
±0.3
%VOUT
Load Regulation
0 to IOUT MAX
±0.2
%VOUT
Dynamic Regulation
Peak Deviation
Settling Time
Slew rate 1A/µs, 50 -75% load step
FSW=500kHz
to 10% of peak deviation
See Output Load Transient Section
50
60
mV
µ
s
Output Voltage Peak-to-Peak
Ripple and Noise
Scope BW=20MHz
Full Load
VIN=8.0V, VOUT=0.7V
VIN=8.0V, VOUT=2.5V
VIN=8.0V, VOUT=5.5V
VIN=14V, VOUT=0.7V
VIN=14V, VOUT=2.5V
VIN=14V, VOUT=5.5V
10
20
40
18
35
50
mV
mV
mV
mV
mV
mV
Temperature Coefficient
VIN=12V, IOUT=0.5×IOUT MAX
20
ppm/°C
Switching Frequency
Default
500
kHz
Programmable to
500 / 1,000
Duty Cycle Limit
Default
Programmable, 1.56% steps
3.125
90.5
100
%
%
2 At negative (sink) output current (bus terminator mode) the efficiency of the DP8105 degrades resulting in increased internal power
dissipation and switching noise. Therefore maximum allowable negative current under specific conditions is lower than the current determined
from the de-rating curves shown in paragraph.



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