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參數(shù)資料
| 型號(hào)： | SMD-5962-94568 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Hybrid - High Reliability DC/DC Converters |
| 中文描述： | 混合-高可靠性的直流/直流轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 7/14頁(yè) |
| 文件大?。?/td> | 185K |
| 代理商： | SMD-5962-94568 |
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7
AHF2812D
TABLE V. Electrical performance characteristics - Continued.
Test
Symbol
Conditions
-55
°
C
≤
T
C
≤
+125
°
C
V
IN
= 28 V dc ±5%, C
L
= 0 unless
otherwise specified
Group A
Subgroups
Device
types
Limits
Unit
Min
Max
Switching frequency 4/
F
S
I
OUT
= 1000 mA
4,5,6
01
500
600
kHz
Output response to step
transient load changes 4/ 9/
VO
TLOAD
500 mA to/from 1000 mA
4,5,6
01
-200
+200
mV pk
0 mA to/from 500 mA
4,5,6
01
-800
+800
Recovery time, step transient
load changes 4/ 9/ 10/
TT
LOAD
500 mA to/from 1000 mA
4,5,6
01
70
μs
0 mA to/from 500 mA
4,5,6
01
1000
Output response transient step
line changes 4/ 7/ 11/
VO
TLINE
Input step from/to 16 to 40 V dc,
I
OUT
= 1000 mA
4,5,6
01
-750
+750
mV pk
Recovery time transient step
line changes 4/ 7/ 10/ 11/
TT
LINE
Input step from/to 16 to
40 V dc,
I
OUT
= 1000 mA
4,5,6
01
1200
μs
Turn on overshoot 4/
VTon
OS
I
OUT
= 0 and 1000 mA
4,5,6
01
600
mV pk
Turn on delay 4 12/
Ton
D
I
OUT
= 0 and 1000 mA
4,5,6
01
25
ms
Load fault recovery 7/
Tr
LF
4,5,6
01
25
ms
Weight
38
grams
Notes:
1/ Parameter guaranteed by line load, and cross regulation tests.
2/ Up to 90 percent of full power is available from either output provided the total output does not exceed 12 W.
3/ Bandwidth guaranteed by design. Tested for 20 kHz to 2 MHz.
4/ Load current split equally between +V
OUT
and -V
OUT
.
5/ 1.2 watt load on output under test, 1.2 watt to 10.8 watt load change on other output.
6/ Capacitive load may be any value from 0 to the maximum limit without compromising dc performance. A capacitive load in excess of the maximum
limit will not disturb loop stability but may interfere with the operation of the load fault detection circuitry, appearing as a short circuit during turn on.
7/ Parameter shall be tested as part of design characterization and after design or process changes. Thereafter, parameters shall be guaranteed to the
limits specified inTable V.
8/ An overload is that condition with a load in excess of the rated load but less than that necessary to trigger the short circuit protection and is the
condition of maximum power dissipation.
9/ Load step transition time between 2 and 10 microseconds.
10/ Recovery time is measured from the initiation of the transient to where V
OUT
has returned to within ±1 percent of V
OUT
at 50 percent load.
11/ Input step transition time between 2 and 10 microseconds.
12/ Turn-on delay time measurement is for either a step application of power at the input or the removal of a ground signal from the inhibit pin (pin 1)
while power is applied to the input.
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