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參數(shù)資料
| 型號： | HEQB-25A-48V-2.5V-3 |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 封裝： | QUARTER BRICK PACKAGE-8 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 468K |
| 代理商： | HEQB-25A-48V-2.5V-3 |
HEQB–25A–48V–2.5V
P/N 7Q02F5WL000
DS HEQB 25A 48V 2-5V_7Q02_030603 Rev 4A – page 3
Magnetek PEG web site, www.magnetekpower.com
S
Sp
ppe
eec
cciiifffiiic
cca
aatttiiio
oon
nns
ss
(Typical value standard at nominal input line, full load, airflow 300 LFM, 25°C ambient temperature unless otherwise specified)
Input Characteristics
Notes & Conditions
Min
Typ
Max
UNITs
Operating Input Voltage Range
Note 1
36
48
75
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
34.3
34.8
35.4
V
Turn-Off Voltage Threshold
33.8
34.3
34.8
V
Lockout Hysteresis Voltage
0.4
0.5
0.6
V
Maximum Input Current (IINmax)
VIN=36V; Full Load
1.95
A
No-load Input Current
40
55
65
mA
Off Converter Input Current
4
6
mA
Inrush Current Transient Rating
0.01
A
2s
Input Reflected-Ripple Current
RMS, See figure 1
3
mA
N
N O
O
O T
TT E
EE 1
11 ::: Absolute max. input voltage 80V
Output Characteristics
Notes & Conditions
Min
Typ
Max
Units
Output Voltage Set Point
50% Load
2.48
2.5
2.52
V
Output Voltage Regulation
Load
Vnom = 48V
± 5
± 8
mV
Line
I = 15A
± 2
± 5
mV
Temperature
± 15
± 30
mV
Total Output Voltage Range
2.475
2.535
V
Output Voltage Ripple and Noise
20 MHz bandwidth
Peak to Peak
50
70
mV
RMS
Full load;
see figures 1, 4
14
20
mV
Operating Output Current Range
0
-
25
A
Output DC Current Limit Inception
26
27
29
A
Output DC Current Limit Shutdown
Voltage
See figure 5
2
2.1
2.2
V
Admissible Output Capacitance
Full load, resistive
0
20.000
F
Dynamic Characteristics
Notes & Conditions
Min
Typ
Max
Units
Output Voltage Current Transient
470
F load cap,
1A/
s; see figure 9
Positive Step Change
50%Io to 75% Io
160
mV
Negative Step Change
75% Io to 50% Io
160
mV
Settling Time to 1%
300
s
Turn-On Transient
See figures 6 and 7
Overshoot
0
%
Turn-On Time
Full load
15
20
ms
Start-Up Inhibit Period
120
ms
Efficiency
Notes & Conditions
Min
Max
Units
100% Load
90
%
80% Load
90
%
56% Load
90
%
Isolation Characteristics
Notes & Conditions
Min
Typ
Max
Units
Isolation Voltage - input to output
Basic Isolation
2000
VDC
Isolation Capacitance
Basic Isolation
2200
pF
Isolation Resistance
10
M
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