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参数资料
| 型号： | HKS48T30120-PCA0 |
| 厂商： | Power-One |
| 文件页数： | 4/14页 |
| 文件大小： | 0K |
| 描述： | DC/DC HALF BRICK 20V 0UT 48V IN |
| 标准包装： | 50 |
| 系列： | * |
HKS48T30120 DC-DC Series Data Sheet
Half-Brick with 48VDC Input; 12VDC @ 32A Output
General Specifications
All specifications apply over specified input voltage, output load, and @ 40 O C ambient temperature, unless
otherwise noted.
Parameter
Output Current
1
Current Derating
Conditions/Description
I rated
@ 200LFM, 55 O C AMBIENT
Min
0
Nom
Max
32
23
Units
ADC
ADC
@ 200LFM, 70 O C AMBIENT
20.2
ADC
Efficiency
2
(T AMB =40 ° C)
Vin NOM , I O = I RATED
94.5
%
Operating (output ripple) Frequency
Fixed frequency
260
kHz
Output Ripple
3
Over line and load,
T AMB = 0 ° C to 85 ° C
(DC to 20MHz)
150
1.25
50
300
2.5
100
mVp-p
% Vo
mV RMS
Turn-on Overshoot
4
Overall input voltage, load,
and temperature conditions
0
0
%Vout
Turn-On Time
Turn-On Time
4
(via application of input voltage)
4
(via On/Off signal)
Time from Vin=UVLO to
regulation band
Time from enable to
regulation band
20
16
100
100
ms
ms
Rise Time
4
From 10 to 90% of Vout NOM
16
30
ms
Admissible Load Capacitance
220
14,000
5
μ F
1
See Figure 17.
2
See Figure 3.
3
See Figures 8 & 9.
4
See Figure 4, 5 & 6.
5
10/90% mix of ceramic / low ESR tantalum capacitors or OS-CON
Protections Specifications
All specifications apply over specified input voltage, output load, and @ 40 ° C ambient temperature, unless
otherwise noted.
Parameter
Conditions/Description
Min
Nom
Max
Units
Overcurrent Protection
Type
Non-latching – auto-recovery, hiccup type.
Threshold
Short Circuit 1
Vin = Vin NOM
Hiccup Mode
33
13.5
40
18
ADC
A RMS
Overvoltage Protection
Type
Latching, recycle input voltage or ON/OFF signal to unlatch
Threshold
2
Vin = Vin NOM , Iout = I RATED
14.15 14.6 15.25
VDC
Overtemperature Protection
Type
Non-latching, auto-recovery
Threshold
Hysteresis
1
Refer to Figure 11.
2
PCB temperature
Refer to Figure 12 & 13.
120
10
130
° C
° C
FEB 14, 2006 revised to MAY 17, 2006
Page 4 of 14
www.power-one.com
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