9
AHF2815D
TABLE VI. Electrical Performance Characteristics - Continued.
Test
Symbol
Conditions
-55
°C ≤ T
C
≤ +125°C
VIN = 28 V dc ±5%, CL = 0 unless
otherwise specified
Group A
Subgroups
Device
types
Limits
Unit
Min
Max
Recovery time, step
transient load changes 4/
9/ 10/
TTLOAD
400 mA to/from 800 mA
4,5,6
01
70
µs
0 mA to/from 400 mA
4,5,6
01
500
Output response transient
step line changes 4/ 7/
11/
VOTLINE
Input step from/to 16 to 40 V dc,
IOUT = 800 mA
4,5,6
01
-750
+750
mV pk
Recovery time transient
step line changes 4/ 7/
10/ 11/
TTLINE
Input step from/to 16 to
40 V dc, IOUT = 800 mA
4,5,6
01
1200
µs
Turn on overshoot 4/
VTonOS
IOUT = 0 and 800 mA
4,5,6
01
750
mV pk
Turn on delay
4/ 12/
TonD
IOUT = 0 and 800 mA
4,5,6
01
25
ms
Load fault recovery
7/
TrLF
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 +VOUT and -VOUT.
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 in Table VI.
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 VOUT has returned to within ±1 percent of VOUT 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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