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参数资料
| 型号： | AFL28XXS |
| 厂商： | International Rectifier |
| 英文描述： | 28V Input, Single Output HYBRID-HIGH RELIABILITY DC/DC CONVERTER |
| 中文描述： | 28V输入，单输出混合，高度可靠的DC / DC变换器 |
| 文件页数： | 3/12页 |
| 文件大小： | 253K |
| 代理商： | AFL28XXS |
www.irf.com
3
AFL28XXS Series
Static Characteristics
(Continued)
For Notes to Specifications, refer to page 4
Parameter
Group A
Subgroups
Test Conditions
Min
Nom
Max
Unit
INPUT CURRENT
No Load
Inhibit 1
Inhibit 2
1
2, 3
1, 2, 3
1, 2, 3
V
IN
= 28 Volts
I
OUT
= 0
Pin 4 Shorted to Pin 2
Pin 12 Shorted to Pin 8
80
100
5.0
50
mA
INPUT RIPPLE CURRENT
AFL2808S
AFL2805S
AFL2807S
AFL2809S
AFL2812S
AFL2815S
AFL2828S
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
VIN = 28 Volts, 100% Load, BW = 10MHz
60
60
60
60
60
60
60
mApp
CURRENT LIMIT POINT
As a percentage of full rated load
1
2
3
V
OUT
= 90% V
NOM
, V
IN
= 28 Volts
Note 5
115
105
125
125
115
140
%
LOAD FAULT POWER DISSIPATION
Overload or Short Circuit
1, 2, 3
V
IN
= 28 Volts
33
W
EFFICIENCY
AFL2808S
AFL2805S
AFL2807S
AFL2809S
AFL2812S
AFL2815S
AFL2828S
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
V
IN
= 28 Volts, 100% Load
78
79
79
80
80
81
81
81
82
82
83
84
85
84
%
ENABLE INPUTS
(Inhibit Function)
Converter Off
Sink Current
Converter On
Sink Current
1, 2, 3
1, 2, 3
Logical Low on Pin 4 or Pin 12
Note 1
Logical High on Pin 4 and Pin 12 - Note 9
Note 1
-0.5
2.0
0.8
100
50
100
V
μ
A
V
μ
A
SWITCHING FREQUENCY
1, 2, 3
500
550
600
KHz
SYNCHRONIZATION INPUT
Frequency Range
Pulse Amplitude, Hi
Pulse Amplitude, Lo
Pulse Rise Time
Pulse Duty Cycle
1, 2, 3
1, 2, 3
1, 2, 3
Note 1
Note 1
500
2.0
-0.5
20
700
10
0.8
100
80
KHz
V
V
ns
%
ISOLATION
1
Input to Output or Any Pin to Case
(except Pin 3). Test @ 500VDC
100
M
DEVICE WEIGHT
Slight Variations with Case Style
85
g
MTBF
MIL-HDBK-217F, AIF @ TC = 70°C
300
KHrs
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