Data sheet: maxeta, Ifa series, Electrical characteristics (continued) – TDK Maxeta iFA Series User Manual
Page 8

Data Sheet: Maxeta
TM
iFA Series
©2002-2006 TDK Innoveta Inc.
iFA 28V 600W Advance Datasheet 8/3/2006
℡
(877) 498-0099
8/19
Electrical Characteristics (continued):
iFA48021A280V- 000 through - 003: 28V, 21.4A Output
Start-up Characteristics with maximum capacitive load (C=7,000uF)
from input voltage application at full load.
Ch.1: Vout, Ch.3: Vin, Ch.4: Load Current
Typical Dynamic Load Response. Load step from 50% to 75% of
full load, di/dt= 0.1A/uS. (Note: Vin=48V)
Ch.1: Output Voltage, Ch. 4: Load Current
Output Voltage vs. Input Voltage (Line Regulation) at Ta=25
°C.
Typical Input Start-up Current vs. Load Current at Ta=25
°C
Typical Output Voltage vs. Input Voltage During Start-up, Ta=25
°C
Typical Current Limit vs. Input Voltage at Ta=25
°C
27.6
27.7
27.8
27.9
28
28.1
28.2
37
42
47
52
57
62
67
72
77
Input Voltage (V)
O
u
tput
V
o
ltage (
V
)
Io_min = 2.2A
Io_mid = 10.83A
Io_max = 21.79A
Ta = 25 Deg C
.
0
2
4
6
8
10
12
14
16
18
20
30
35
40
45
50
55
60
65
70
75
Input Voltage (V)
In
put
C
u
rr
ent
(
A
)
Io_min = 2.2A
Io_mid = 10.83A
Io_max = 21.79A
Ta = 25 Deg C.
0
5
10
15
20
25
30
30
35
40
45
50
55
60
65
70
75
Input Voltage (V)
O
u
tput
V
o
ltage
(
V
)
Io_min = 2.2A
Io_mid = 10.83A
Io_max = 21.79A
Ta = 25 Deg C
.
0
5
10
15
20
25
30
2
7
12
17
22
27
Output Current (A)
O
u
tput
V
o
ltag
e (
V
)
Vin = 36V
Vin = 48V
Vin = 75V
Ta = 25 Deg C