SXA10 Series
| 10W DC/DC
Eighth-Brick Series | 100 W DC-DC
High Efficiency, High Current, Low Profile DC-DC Converters
10
Input Characteristics
LES20A48-5V0J Model
Electrical Characteristics - O/P
LES20A48-5V0J Model
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Input current - operating
Iin
2.26
Adc
Vin = Vin (nom); Iout = Iout
(max); Vo = Vo (nom)
Input current - maximum
Iin (max.)
3.20
Adc
Vin = Vin (min); Iout = Iout
(max); Vo = Vo (nom),
measured at converter
Input Capacitor ripple current
Iin (ripple)
50
mA RMS
Iout = Iout (max), measured
150
mA pk-pk without standard filter. See
Application Note 138
Reflected ripple current
Iin (refl)
2
mA RMS
Iout = Iout (max), measured
7.5
mA pk-pk with standard filter. See
Application Note 138
Input capacitance -
Cinput
2.65
F
Internal to converter
Internal
Input capacitance -
Cbypass
33
F
Recommended customer
External bypass
added capacitance, <0.7 ESR
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Nominal set-point voltage
Vo (nom)
4.92
5.00
5.08
Vdc
Vin = Vin (nom); Iout = Iout (nom)
Total regulation band
Vo
4.85
5.15
Vdc
For all line, static load and
temperature until end of life
Line regulation
0.01
0.1
%
Iout = Iout (nom), Vin (min)
to Vin (max)
Load regulation
0.02
0.2
%
Vin = Vin (nom), Iout (min) to
Iout (max)
Temperature regulation
0.02
±%/C
Vin = Vin (nom), Iout = Iout (max)
Output current continuous
Iout
0
20
Adc
Output current - short circuit
Isc
7
A rms
Continuous, unit auto recovers
from short, Vo < 100 mV
Load transient response -
Vdynamic
Peak deviation for 50% to 75%
peak deviation
25
mV
step load, di/dt = 100 mA/s,
100
mV
step load, di/dt = 1 A/s
Load transient response -
Trecovery
20
s
Settling time to within 1% of
recovery
output set point voltage for 50%
to 75% load step
External load capacitance
Cext
0
10,000
F
Higher load capacitance values
may be possible. Contact Artesyn
Technologies for details
Output voltage - noise
Vp-p
45
60
mV pk-pk Measurement bandwidth 20 MHz
Vrms
10
20
mV rms
See Application Note 138 for
test set-up
File Name: lf_eighth_brick_100w_ultra.pdf Rev (04): 15 Nov 2005