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參數(shù)資料
| 型號： | HEHB40A-48V-1.8V-PL |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 4/10頁 |
| 文件大小： | 595K |
| 代理商： | HEHB40A-48V-1.8V-PL |
HEHB40A - 48V – 1.8V High Efficiency DC-DC Converter
P/N 7V67H5WN000
HEHB 40A 48V 1.8V DS 7V67 – page
3-
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(Typical values are 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 Surge Voltage
T< 10
s
100
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
35.0
35.2
35.4
V
Turn-Off Voltage Threshold
31.7
31.9
32.1
V
Lockout Hysteresis Voltage
3.3
V
Maximum Input Current (IINmax)
VIN=36V; Full Load
2.5
A
No-load Input Current
45
50
mA
Off Converter Input Current
2
5
mA
Inrush Current Transient Rating
0.03
A
2s
Input Reflected-Ripple Current
RMS; see figures 6,7
5
7
mA
Output
characteristics
Notes &
Conditions
Min
Typ
Max
Units
Output Voltage Set Point
50 % Load
1.76
1.80
1.84
V
Output Voltage Regulation
Over Load
± 2
± 4
mV
Over Line
± 2
± 3
mV
Over Temperature
± 15
± 30
mV
Total Output Voltage Range
1.73
1.87
V
Output Voltage Ripple and Noise
20 MHz bandwidth
Peak to Peak
52
mV
RMS
Full load, 2x10
F
ceramic; see fig. 6, 8
16
mV
Operating Output Current Range
0
-
40
A
Output DC Current Limit Inception
Output Voltage
10% low
41
44
49
A
Output DC Current Limit Shutdown
Voltage
See figure 5
1.25
V
Admissible Output Capacitance
Full load, resistive
0
50000
F
Dynamic
characteristics
Notes &
Conditions
Min
Typ
Max
Units
Output Voltage Current Transient
470
F load cap.
1A/
s; see figure 3
Positive Step Change in IOUT
50% to 75% load
110
mV
Negative Step Change in IOUT
75% to 50% load
120
mV
Settling Time to 1%
200
s
Turn On Transient
See figures 1, 2
Turn On Time
Full load
5
ms
Output Voltage Overshoot
10mF load
capacitance, Iout=
0A
1
%
Efficiency
Notes & Conditions
Min
Typ
Max
Units
Load 100%
Vin=50V
84.5
85
%
Load 75%
Vin=50V
87.5
88
%
Load 50%
Vin=50V
89.5
90
%
NOTE 1 : Absolute max. input voltage 80V
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