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参数资料
型号： LQD30A48-3V3-1V2
元件分类： 电源模块
英文描述： 2-OUTPUT 67.5 W DC-DC REG PWR SUPPLY MODULE
文件页数： 30/33页
文件大小： 536K
代理商： LQD30A48-3V3-1V2
SXA10 Series
| 60W DC/DC
Quarter-Brick Dual Series | 30A DC/DC
High Efficiency, High Current, Low Profile DC/DC Converters
6
Input Characteristics
LQD30A48-3V3-1V2 Model
Electrical Characteristics - O/P
LQD30A48-3V3-1V2 Model
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Nominal set-point voltage
Vo (nom) 1.2V
1.18
1.20
1.22
V DC
Vin = Vin (nom);
Vo (nom) 3.3V
3.25
3.30
3.35
V DC
Iout = Iout (nom)
Total regulation band
Vo 1.2V
1.16
1.24
V DC
For all line, static load and
Vo 3.3V
3.20
3.40
V DC
temperature until end of life
Line regulation
Vo 1.2V
0.8
%
Iout = Iout (nom); Vin (min) to
Vo 3.3V
0.5
%
Vin (max)
Load regulation
Vo 1.2V
0.8
%
Vin = Vin (nom); Iout (min) to
Vo 3.3V
0.5
%
Iout (max)
Temperature regulation
0.005
0.01
±%/C
Vin = Vin (nom); Iout = Iout (max)
Output current continuous
Iout 1.2V
0
15
A DC
Iout 3.3V
0
15
A DC
Output current - short circuit
Isc 1.2V
8
A rms
Continuous, unit auto recovers
Isc 3.3V
8
A rms
from short, Vo < 100mV.
See Application Note 137
Load transient response -
Vdynamic 1.2V
40
75
mV
Peak deviation for 50% to 75%
peak deviation
Vdynamic 3.3V
40
75
mV
step load, di/dt = 100mA/sec
Load transient response -
Trecovery
20
50
sec
Settling time to within 1% of
recovery
output set point voltage for 50%
to 75% load step
External load capacitance
Cext 1.2V
0
3,300
F
Higher load capacitance values
Cext 3.3V
0
3,300
F
may be possible. Contact
Artesyn Technologies for details
Output voltage - noise
Vp-p
30
50
mV p-p
Measurement bandwidth 20MHz.
Vrms
10
15
mV rms
See Application Note 137 for
measurement set-up details.
Characteristic
Symbol
Min
Typ
Max
Units
Notes and Conditions
Input current - operating
Iin
1.6
A DC
Vin = Vin (nom); Iout = Iout
(max.); Vo = Vo (nom)
100% load on each output
Input current - maximum
Iin (max.)
2.40
A DC
Vin = Vin (min); Iout = Iout
(max.); Vo = Vo (nom),
100% load on each output
Input capacitor ripple current
Iin (ripple)
30
mA RMS
Iout = Iout (max.), measured
60
mA pk-pk with external Filter. See
Application Note 137 for details
Reflected ripple current
Iin (ref)
2
mA RMS
Iout = Iout (max.), measured
5
mA pk-pk with external Filter. See
Application Note 137 for details
Input capacitance -
Cinput
3F
Internal to converter
internal filter
Input capacitance -
Cbypass
33
F
Recommended customer
external bypass
added capacitance, <0.7 Ohm
ESR
File Name: lf_quarter_brick_d_value.pdf Rev: 13 Oct 2004
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