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參數(shù)資料
| 型號： | EUS20-120-PHCR |
| 廠商： | CD TECHNOLOGIES INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 240 W DC-DC UNREG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 179K |
| 代理商： | EUS20-120-PHCR |
Model
BUS CONVERTER
EUS20-120 Model
Innovative Solutions You Can Count On
Celestica Power Systems
1150 Eglinton Aveune East
Toronto, Ontario M3C 1H7
1-866-740-1232
4607 S.E. International Way
Milwaukie, Oregon 97222
1-971-206-2800
Page 1
www.celesticapower.com
EUS20-120-6200481402-A02_20May04
PRELIMINARY
Features:
48 Vin, Isolated, 4:1 Fixed Conversion Ratio
240 Watt Nominal Output (at 48 Vin, 55 C, 200 LFM)
Industry Standard 1/8 Brick Footprint
Remote Enable (Primary Side, Positive or Negative)
Over-temperature and Over Current Protection
Direct Parallel Operation for Higher Power Applications
Table 1
Input Characteristics
Notes & Conditions (1)
Min
Typ.
Max
Units
Input Voltage Operating Range
36
48
55
Vdc
Input Voltage Absolute Maximum
60
Vdc
Turn-on Threshold
36
37.5
Vdc
Turn-off Threshold
34
35.5
Vdc
Input Undervoltage Lockout
Hysteresis Voltage
2
Vdc
Turn-on Threshold
56
58
Vdc
Turn-off Threshold
55
57
Vdc
Input Overvoltage Lockout
Hysteresis Voltage
2
Vdc
Maximum Input Current
Steady-State (26 A out)
6.4
Adc
No-Load Input Current
Enabled state, on load (48 Vin)
98
mA
Disabled Input Current
Disabled state (48 Vin)
6
mA
Input Reflected Ripple Current
50
mA p-p
Inrush Current Transient
0.2
A
2s
Enable – Negative Logic Version
Internal 10 K pull-up to 5 V.
On State range
Off State range
-0.1
2.4
0.8
5.0
Vdc
Enable – Positive Logic Version
Internal 100 K pull-down to GND.
On State range
Off State range
2.4
-0.1
5.0
0.8
Vdc
Table 2
Output Characteristics
Notes & Conditions (1)
Min
Typ.
Max
Units
Output Voltage Set Point (Vo=Vin/4 +0/-0.5%)
Vin = 48.0 V, Io = 0 A
11.94
11.98
12.0
Vdc
Output Load Regulation
Io = 0 to 20 A
0.7
V
Output Voltage Total Regulation
Vin = 36 to 55 V, Io = 0 to 20 A,
8.3
13.75
Vdc
Vin = 42 to 53 V, Io = 0 to 23 A,
9.7
13.25
Vdc
Output Ripple Voltage & Noise (2)
20 MHz Bandwidth
90
150
mV p-p
Output Current Operating Range
0
20
A
Efficiency
Vin = 48 V, Io = 20 A
95.5
%
Turn-On Time
Vin present: Enable to 90% Vout
10
mS
Start-up Inhibit Time
Enabled: Vin applied to 90% Vout
80
mS
Transient Response (3)
25% step, 0.1A/
s, Vo
160
mV
Recovery Time
100
s
Maximium Output Capacitance (4)
2000
F
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