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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： | 4/12页 |
| 文件大小： | 253K |
| 代理商： | AFL28XXS |
4
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AFL28XXS Series
Dynamic Characteristics
-55°C < T
CASE
< +125°C, V
IN
=28V
unless otherwise specified.
Notes to Specifications:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Parameters not 100% tested but are guaranteed to the limits specified in the table.
Recovery time is measured from the initiation of the transient to where VOUT has returned to within
±
1.0% of VOUT at 50% load.
Line transient transition time
≥
100
μ
s.
Turn-on delay is measured with an input voltage rise time of between 100V and 500V per millisecond.
Current limit point is that condition of excess load causing output voltage to drop to 90% of nominal.
Parameter verified as part of another test.
All electrical tests are performed with the remote sense leads connected to the output leads at the load.
Load transient transition time
≥
10
μ
s.
Enable inputs internally pulled high. Nominal open circuit voltage
≈
4.0VDC.
Parameter
Group A
Subgroups
Test Conditions
Min
Nom
Max
Unit
LOAD TRANSIENT RESPONSE
AFL2805S
AFL2807S
AFL2808S
AFL2809S
AFL2812S
AFL2815S
AFL2828S
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
Amplitude
Recovery
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
4, 5, 6
Note 2, 8
Load Step 50%
100%
Load Step 10%
50%
Load Step 50%
100%
Load Step 10%
50%
Load Step 50%
100%
Load Step 10%
50%
Load Step 50%
100%
Load Step 10%
50%
Load Step 50%
100%
Load Step 10%
50%
Load Step 50%
100%
Load Step 10%
50%
Load Step 50%
100%
Load Step 10%
50%
-450
-450
-500
-500
-500
-500
-600
-600
-750
-750
-750
-750
-1200
-1200
450
200
450
400
500
200
500
400
500
200
500
400
600
200
600
400
750
200
750
400
750
200
750
400
1200
200
1200
400
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
mV
μ
s
LINE TRANSIENT RESPONSE
Amplitude
Recovery
Note 1, 2, 3
VIN Step = 16
40 Volts
-500
500
500
mV
μ
s
TURN-ON CHARACTERISTICS
Overshoot
Delay
4, 5, 6
4, 5, 6
VIN = 16, 28, 40 Volts. Note 4
Enable 1, 2 on. (Pins 4, 12 high or
open)
0
4.0
250
10
mV
ms
LOAD FAULT RECOVERY
Same as Turn On Characteristics.
LINE REJECTION
MIL-STD-461D, CS101, 30Hz to 50KHz
Note 1
40
50
dB
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