参数资料
型号: HW004A0A1
元件分类: 电源模块
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
文件页数: 7/27页
文件大小: 519K
代理商: HW004A0A1
Data Sheet
July 7, 2003
HW/HC 4A – 6A Series Power Modules; dc-dc Converters
18 – 36 Vdc & 36 – 75 Vdc Input; 1.0Vdc to 5Vdc Output
Tyco Electronics Power Systems
15
Characteristic Curves (continued)
The following figures provide typical characteristics for the HC005A0F (3.3V, 5A) at 25C. The figures are identical for
either positive or negative Remote On/Off logic.
70
72
74
76
78
80
82
84
86
88
90
0
1
2
345
VI = 36V
VI = 54V
VI = 75V
0
1
2
3
4
5
6
0
10
203040
50
60
708090100
110
3.0 m/s (600 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
Natural Convection
EFFICIEN
CY,
η(%)
OUTPUT CURRENT, IO (A)
OUTP
UT
C
URR
ENT,
Io
(A
)
AMBIENT TEMPERATURE, TA
OC
Figure 55. Converter Efficiency versus Output Current
Figure 58. Derating Output Current versus Local
Ambient Temperature and Airflow
OUTP
UT
VO
LTAG
E,
V
O
(V)
(20mV/div)
TIME, t (1
s/div)
INPUT
VOLTAG
E,
O
U
TPUT
VOLTAG
E
V
IN
(V
)(2
5V/d
iv)
V
O
(V)
(1V
/di
v)
TIME, t (20ms/div)
Figure 56. Typical Output Ripple and Noise.
Figure 59. Typical Start-Up with application of Vin.
OU
TPU
T
CU
RR
ENT,
OU
TPU
T
VOLT
AGE
I O
(
A
)(
2A/d
iv)
V
O
(V)
(50mV
/div)
TIME, t (50
s/div)
On
/O
ffVOLTAG
E,
O
U
TPUT
VOL
T
AGE
V
ON/
O
F
F(V)
(5
V/d
iv)
V
O
(V)
(1V
/di
v)
TIME, t (20ms/div)
Figure 57. Transient Response to Dynamic Load
Change from 50% to 75% to 50% of full load.
Figure 60. Typical Start-Up Using Remote On/Off,
negative logic version shown.
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