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參數(shù)資料
| 型號(hào)： | QKS48T21120-PCCS# |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 252 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-5 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大?。?/td> | 271K |
| 代理商： | QKS48T21120-PCCS# |
MCD10089 Rev. 1.1, 8-Oct-08
Page 3 of 9
www.power-one.com
QKS48T21120 DC-DC Bus Converter Data Sheet
Quarter-Brick with 48VDC Input; 12VDC @ 21A Output
Parameter
Conditions/Description
Min
Nom
Max
Units
Output Rise Time at Turn-on
(Time from Vo @ 10% Vo
nominal to Vo @ 90% of Vo
nominal)
w/ Load = resistor + 330 μF
capacitor
Turn-on Output Overshoot
Input Reflected Ripple Current
All
0.5
30
ms
Vo
13.2
200
VDC
mA p-p
Full Load, 12
μ
H source inductance
Inrush Transient
i
2
t
-
-
2
A
2
s
Output Specifications
All specifications apply over specified input voltage, output load, and temperature range, unless otherwise noted.
Parameter
Conditions/Description
Output Voltage Set Point
(Vin = 48V, Iout = full load, 25
°
C)
Output Current
Io
Output Ripple
(DC to 20MHz, 25
°
C)
Output Line regulation
(Vi=36V to 75V, Iout = full load, 25
°
C)
Output Load regulation
(lout from 0 to full load)
Output Temperature Regulation:
(Tcase =-40
°
C to +110
°
C)
Transient Response
(50% to 75% Load Step, Io/
Δ
t=1A/μs,
with 220μF, ESR<0.07ohm on output
side)
Peak Deviation
Settling Time (Vo, 1% of Vo)
Admissible Load Capacitance
I
rated
, Nom Vin
Output Current Limit Threshold*
Io
Switching Frequency
Overvoltage Protection,
Hiccup, auto recovery
conditions
* Overcurrent protection is non-latching with auto recovery.
Min
Nom
Max
Units
Vo
11
11.5
13
VDC
0
21
A
Vo
25
70
mVp-p
Vo
3
8
mV
Vo
500
mV
Vo
± 0.03
%/
°
C
Vo
11
-
-
13
10
V
ms
330
110
14
5000
150
15
μ
F
135
350
%I
rated
kHz
VDC
Over all input voltage and load
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