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AHE2815S 반도체 회로 부품 판매점

HYBRID-HIGH RELIABILITY DC/DC CONVERTER



IRF 로고
IRF
AHE2815S 데이터시트, 핀배열, 회로
PD-94554B
HYBRID-HIGH RELIABILITY
DC/DC CONVERTER
Description
The AHE28XXS Series of DC/DC converters feature
high power density and an extended temperature range
for use in military and industrial applications. Designed
to MIL-STD-704D input requirements, these devices
have nominal 28VDC inputs with +5V, +12V and +15V
single outputs to satisfy a wide range of requirements.
The circuit design incorporates a pulse width modulated
push-pull topology operating in the feed-forward mode
at a nominal switching frequency of 250KHz. Input to
output isolation is achieved through the use of
transformers in the forward and feedback circuits.
The advanced feedback design provides fast loop
response for superior line and load transient
characteristics and offers greater reliability and radiation
tolerance than devices incorporating optical feedback
circuits.
Three standard temperature grades are offered with
screening options. Refer to Part Number section. They
can be provided in a standard plug-in package for PC
mounting or in a flanged package for more severe
environments.
Manufactured in a facility fully qualified to MIL-PRF-
38534, these converters are fabricated utilizing DSCC
qualified processes. For available screening options,
refer to device screening table in the data sheet. Variations
in electrical, mechanical and screening can be
accommodated. Extensive computer simulation using
complex modeling enables rapid design modification
to be provided. Contact IR Santa Clara with specific
requirements.
AHE28XXS SERIES
28V Input, Single Output
AHE
Features
n 17V to 40VDC Input Range (28VDC Nominal)
n 5V, 12V and 15V Outputs Available
n Indefinite Short Circuit and Overload Protection
n 17 W/in3 Power Density
n 15W and 20W Output Power Models
n Fast Loop Response for Superior Transient
Characteristics
n Operating Temperature Range from -55°C to
+125°C Available
n Popular Industry Standard Pin-Out
n Resistance Seam Welded Case for Superior
Long Term Hermeticity
n Efficiencies up to 84%
n Shutdown from External Signal
n Military Screening
n 325,000 hour MTBF at 85°C (AUC)
n Standard Microcircuit Drawings Available
www.irf.com
1
01/08/07
http://www.Datasheet4U.com


AHE2815S 데이터시트, 핀배열, 회로
AHE28XXS Series
Specifications
TCASE = -55°C to +85°C, VIN = +28V ± 5% unless otherwise specified
Absolute Maximum Ratings
Input Voltage 1
-0.5V to +50VDC
Power Output
Internally limited, 17.5W typ. for AHE2805S, 22.5W typ. for AHE2812S and AHE2815S
Soldering Temperature
Temperature Range 1
300°C for 10 seconds
Operating Temperature
Storage Case Temperature
-55°C to +125°C
-65°C to +135°C
Parameter
Conditions
-55°C Tc +85°C
Vin = 28 Vdc ±5%,CL = 0
Unless otherwise specified
Static Characteristic
OUTPUT
Voltage
Current
Ripple
Accuracy
Power1
REGULATION
Line
Load
INPUT
Voltage Range4
Current
Ripple Current
Efficiency
Capacitive Load
Load fault power
dissipation4
Isolation
Dynamic
Characteristic
Step Load Changes
Output
Transient
Recovery2
Step Line Changes
Output
Transient
Recovery2
Turn-On
Overshoot Delay3
Load Fault
Recovery4
Weight
VIN=17 to 40 VDC
IOUT=0 to Full Load
Full Load, DC to 1MHz
TCASE = 25°C, IOUT = 0
VIN = 17 to 40 VDC
IOUT = to Full Load
Inhibited
No Load
Full Load
TCASE = +25°C
Half Load to Full Load
No effect on performance
Input to Output @ 500Vdc
50% Load 100% Load
No Load 50% Load
50% Load No Load
50% Load 100% Load
No Load 50% Load
50% Load No Load
Input step 17 to 40VDC
Input step 40 to 17VDC
Input step 17 to 40VDC
Input step 40 to 17VDC
VIN = 17 to 40VDC
IOUT = 0 to Full load
VIN = 17 to 40VDC
Standard Package
Flange Package
AHE2805S
AHE2812S
AHE2815S
Min Typ Max Min Typ Max Min Typ Max Units
4.90
0.0
4.95
15
17
80
500
100
5.00
20
5.00
±0.5
±0.5
28
8.0
20
82
5.10
3000
60
5.05
±1.0
±1.0
40
18
35
50
6.0
11.76
0.0
11.88
20
17
79
200
100
12.00
30
12.00
±0.5
±0.5
28
8.0
25
83
12.24
1667
60
12.12
±1.0
±1.0
40
18
35
50
6.0
14.70
0.0
14.85
20
17
80
200
100
15.00
30
15.00
±0.5
±0.5
28.0
8.0
25
84
15.30
1333
60
15.15
±1.0
±1.0
40
18
35
50
6.0
VDC
mADC
mVp-p
VDC
W
%
VDC
mADC
mADC
mV p-p
%
µF
W
M
±150
-300
+300
25
500
7.0
+180
-600
400
400
0
8.0
8.0
55
58
500
14
14
±200
-400
+400
25
500
7.0
+180
-600
400
400
300
8.0
8.0
55
58
600
14
14
±200
-400
+400
25
500
7.0
+180
-600
400
400
300
8.0
8.0
mVpk
mVpk
mVpk
µs
µs
msec
mVpk
mVpk
µs
µs
500 mVpk
14 ms
14 ms
55 g
58
Notes to Specifications
1. Above +85°C case temperature, derate output power linearly to 0 and maximum input voltage linearly to 42V at 115°C case.
2. Recovery time is measured from the initiation of the transient to where VOUT has returned to within ±1.0% of VOUT at 50% load.
See typical waveforms.
3. Turn-on delay time measurement is for either an application of power at the input or a signal at the shutdown pin.
4. For operation at 16VDC, derate output power by 33%.
2 www.irf.com
http://www.Datasheet4U.com




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