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AHF2803DF/CH Datasheet(PDF) 9 Page - International Rectifier

Part # AHF2803DF/CH
Description  HYBRID-HIGH RELIABILITY DC-DC CONVERTER
PDF  19 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

AHF2803DF/CH Datasheet(HTML) 9 Page - International Rectifier

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9
AHF28XX Series
Table IV. Electrical Performance Characteristics - continued
AHF2815S
Notes to Specifications
1. Parameter guaranteed by line and load regulation tests.
2. Bandwidth guaranteed by design. Tested for 20KHz to 2.0MHz.
3. Capacitive load may be any value from 0 to the maximum limit without compromising dc performance.
A capacitive 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.
4. 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 III.
5. 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.
6. Load step transition time between 2.0
µs and 10µs.
7. Recovery time is measured from the initiation of the transient to where V
OUT has returned to within ±1.0
percent of V
OUT at 50 percent load.
8. Input step transition time between 2.0
µs and 10µs.
9. 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 2) while power is applied to the input is unlimited.
Test
Symbol
Conditions
Group A
Device
Unit
-55°C
≤ Tc ≤ +125°C
Subgroups
Types
Vin = 28Vdc ±5%, CL = 0
Unless otherwise specified
Min
Max
50% to/from 100%
rated load
0% to/from 50%
rated load
4100
5,6
200
45.0
5,6
10
Input step 16V to/from
04
40Vdc, IOUT = 100%
4,5,6
05
-1000
+1000
mVpk
rated load
4, 8
06
Input step 16V to/from
40Vdc, IOUT = 100%
4,5,6
500
µs
rated load
4, 7, 8
Turn on overshoot
VTonOS IOUT = o and 100% rated load
4,5,6
All
750
mVpk
Turn on delay
TonD
IOUT = o and 100% rated load
9
4,5,6
All
12
ms
Load fault
recovery
4, 9
Weight
38
g
mVpk
4,5,6
-800
+800
-1000
+750
Output response to
step transient load
changes
6
VOTLOAD
ms
TrLF
4,5,6
All
12
µs
ms
4,5,6
0% to/from 50% rated load
All
TTLOAD
Output response to
transient step line
changes
Recovery time
transient step line
changes
TTLINE
VOTLINE
Limits
01
All
Recovery time step
transient load
changes
6, 7
50% to/from 100% rated load



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