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AHE2805S/CH-MSTR [INFINEON]

ADVANCED ANALOG HYBRID-HIGH RELIABILITY DC/DC CONVERTERS; 先进的模拟混合高可靠性DC / DC转换器
AHE2805S/CH-MSTR
型号： AHE2805S/CH-MSTR
厂家： Infineon    Infineon
描述：

ADVANCED ANALOG HYBRID-HIGH RELIABILITY DC/DC CONVERTERS
先进的模拟混合高可靠性DC / DC转换器

转换器
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PD - 94554A  
AHE28XXS SERIES  
28V Input, Single Output  
ADVANCED ANALOG  
HYBRID-HIGH RELIABILITY  
DC/DC CONVERTERS  
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 modu-  
lated 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.  
AHE  
Features  
n 17 to 40 VDC Input Range (28 VDC Nominal)  
5V, 12V and 15V Outputs Available  
n
n Indefinite Short Circuit and Overload  
Protection  
n 17 W/in3 Power Density  
The advanced feedback design provides fast loop re-  
sponse for superior line and load transient character-  
istics and offers greater reliability and radiation toler-  
ance than devices incorporating optical feedback cir-  
cuits.  
n 15 and 20 Watts Output Power Models  
n Fast Loop Response for Superior Transient  
Characteristics  
n Operating Temperature Range from -55°C to  
+125°C Available  
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 en-  
vironments.  
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  
These converters are manufactured in a facility certi-  
fied to MIL-PRF-38534. All processes used to manu-  
facture these converters have been qualified to enable  
Advanced Analog to deliver compliant devices.  
n 325,000 hour MTBF at 85°C (AUC)  
Two screening grades are available to satisfy a wide  
range of requirements. The CH grade converters are  
fully compliant to MIL-PRF-38534 for class H. The HB  
grade converters are processed to full class H screen-  
ing but do not have class H element evaluation as re-  
quired by MIL-PRF-38534. Both grades are fully tested  
and operate over the full military temperature range  
without derating of output power. Variations in electri-  
cal, mechanical and screening can be accommodated.  
Extensive computer simulation using complex  
modeling enables rapid design modification to  
be provided. Contact Advanced Analog with spe-  
cific requirements.  
www.irf.com  
1
10/28/02  
AHE28XXS Series  
Specifications  
TCASE = -55°C to +85°C, VIN = +28V ± 5% unless otherwise specified  
ABSOLUTE MAXIMUM RATINGS  
Input Voltage1  
Power Output  
Soldering  
-0.5V to 50V  
Internally limited, 17.5W typical for AHE2805S, 22.5W typical for AHE2812S and AHE2815S  
300°C for 10 seconds  
Operating -55°C to +125°C case  
Storage -65°C to +135°C  
Temperature Range1  
Parameter  
Conditions  
-55°C ≤ Tc ≤ +85°C  
Vin = 28 Vdc ±5%,CL = 0  
Unless otherwise specified  
AHE2805S  
AHE2812S  
Typ  
AHE2815S  
Typ  
Min  
Typ  
Max  
Min  
Max  
Min  
Max  
Units  
Static Characteristic  
OUTPUT  
Voltage  
Current  
Ripple  
4.90  
0.0  
5.00  
20  
5.10  
3000  
60  
11.76  
0.0  
12.00  
30  
12.24  
1667  
60  
14.70  
0.0  
15.00  
30  
15.30  
1333  
60  
VDC  
mADC  
mVp-p  
VIN=17 to 40 VDC  
I
OUT=0 to Full Load  
Full Load, DC to 1MHz  
CASE = 25°C, IOUT = 0  
T
4.95  
15  
5.00  
5.05  
11.88  
20  
12.00  
12.12  
14.85  
20  
15.00  
15.15  
VDC  
W
Accuracy  
Power1  
REGULATION  
Line  
Load  
V
IN = 17 to 40 VDC  
%
%
±0.5  
±0.5  
±1.0  
±1.0  
±0.5  
±0.5  
±1.0  
±1.0  
±0.5  
±0.5  
±1.0  
±1.0  
IOUT = to Full Load  
INPUT  
Voltage Range4  
Current  
17.0  
28.0  
8
40.0  
18  
35  
17.0  
28.0  
8
40.0  
18  
35  
17.0  
28.0  
8
40.0  
18  
35  
VDC  
Inhibited  
No Load  
Full Load  
TCASE = +25°C  
Half Load to Full Load  
No effect on performance  
mADC  
mADC  
mV p-p  
Ripple Current  
Efficiency  
20  
82  
50  
25  
83  
50  
25  
84  
50  
80  
500  
79  
200  
80  
200  
%
Capacitive Load  
Load fault power  
dissipation4  
µF  
6
6
6
W
Isolation  
Input to Output @ 500Vdc  
100  
100  
100  
MΩ  
Dynamic  
Characteristic  
Step Load Changes  
Output  
50% Load 100% Load  
No Load 50% Load  
50% Load No Load  
50% Load 100% Load  
No Load 50% Load  
50% Load No Load  
mVpk  
mVpk  
mVpk  
µsec  
µsec  
msec  
±150  
-300  
+300  
25  
500  
7
±200  
-400  
+400  
25  
500  
7
±200  
-400  
+400  
25  
500  
7
Transient  
Recovery2  
Step Line Changes  
Output  
Transient  
Input step 17 to 40VDC  
Input step 40 to 17VDC  
Input step 17 to 40VDC  
Input step 40 to 17VDC  
+180  
-600  
400  
+180  
-600  
400  
+180  
-600  
400  
mVpk  
mVpk  
µsec  
Recovery2  
400  
400  
400  
µsec  
Turn-On  
VIN = 17 to 40VDC  
IOUT = 0 to Full load  
Overshoot Delay3  
0
8
8
500  
14  
14  
300  
8
8
600  
14  
14  
300  
8
8
500  
14  
14  
mVpk  
msec  
msec  
Load Fault  
Recovery4  
VIN = 17 to 40VDC  
Weight  
Standard Package  
Flange Package  
55  
58  
55  
58  
55  
58  
grams  
grams  
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% 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  
AHE28XXS Series  
Specifications  
TCASE = -55°C to +105°C, VIN = +28V ± 5% unless otherwise specified  
ABSOLUTE MAXIMUM RATINGS  
Input Voltage5  
Power Output  
Soldering  
-0.5V to 50V  
Internally limited, 17.5W typical for AHE2805S/ES, 22.5W typical for AHE2812S/ES and AHE2815S/ES  
300°C for 10 seconds  
Operating -55°C to +125°C case  
Storage -65°C to +135°C  
Temperature Range1  
Parameter  
Conditions  
AHE2805S/ES  
AHE2812S/ES  
AHE2815S/ES  
Typ  
-55°C ≤ Tc ≤ +105°C  
Vin = 28 Vdc ±5%,CL = 0  
Unless otherwise specified  
Min  
Typ  
Max  
Min  
Typ  
Max  
Min  
Max  
Units  
Static Characteristic  
OUTPUT  
Voltage  
Current  
Ripple  
4.90  
0.0  
5.00  
20  
5.10  
3000  
60  
11.76  
0.0  
12.00  
30  
12.24  
1667  
60  
14.70  
0.0  
15.00  
30  
15.30  
1333  
60  
VDC  
mADC  
mVp-p  
VIN=17 to 40 VDC  
IOUT=0 to Full Load  
Full Load, DC to 1MHz  
TCASE = 25°C, IOUT = 0  
4.95  
15  
5.00  
5.05  
11.88  
20  
12.00  
12.12  
14.85  
20  
15.00  
15.15  
VDC  
W
Accuracy  
Power1  
REGULATION  
Line  
Load  
V
IN = 17 to 40 VDC  
%
%
±0.5  
±0.5  
±1.0  
±1.0  
±0.5  
±0.5  
±1.0  
±1.0  
±0.5  
±0.5  
±1.0  
±1.0  
IOUT = 0 to Full Load  
INPUT  
Voltage Range4  
Current  
17.0  
28.0  
8
40.0  
18  
35  
17.0  
28.0  
8
40.0  
18  
35  
17.0  
28.0  
8
40.0  
18  
35  
VDC  
Inhibited  
No Load  
Full Load  
mADC  
mADC  
mV p-p  
Ripple Current  
Efficiency  
20  
82  
50  
25  
83  
50  
25  
84  
50  
T
CASE = +25°C  
78  
79  
80  
%
Half load to Full load  
Capacitive Load  
Load fault power  
dissipation4  
No effect on performance  
500  
200  
200  
µF  
6
6
6
W
Isolation  
Input to Output @ 500Vdc  
100  
100  
100  
MΩ  
Dynamic  
Characteristic  
Step Load Changes  
Output  
50% Load 100% Load  
No Load 50% Load  
50% Load No Load  
50% Load 100% Load  
No Load 50% Load  
50% Load No Load  
mVpk  
mVpk  
mVpk  
µsec  
µsec  
msec  
±150  
-300  
+300  
25  
500  
7
±200  
-400  
+400  
25  
500  
7
±200  
-400  
+400  
25  
500  
7
Transient  
Recovery2  
Step Line Changes  
Output  
Input step 17 to 40VDC  
Input step 40 to 17VDC  
Input step 17 to 40VDC  
Input step 40 to 17VDC  
+180  
-600  
400  
+180  
-600  
400  
+180  
-600  
400  
mVpk  
mVpk  
µsec  
µsec  
Transient  
Recovery2  
400  
400  
400  
TURN –ON  
Overshoot  
Delay3  
VIN = 17 to 40VDC  
0
8
500  
14  
300  
8
600  
14  
300  
8
750  
14  
mVpk  
msec  
IOUT = 0 to Full Load  
Load Fault Recovery4  
Weight  
VIN = 17 to 40VDC  
8
14  
8
14  
8
14  
msec  
Standard Package  
Flange Package  
60  
65  
60  
65  
60  
65  
grams  
grams  
Notes to Specifications  
1.  
2.  
Above +105°C case temperature, derate output power linearly to 0 at 125°C case.  
Recovery time is measured from the initiation of the transient to where VOUT has returned to within ±1% of VOUT at 50% load.  
See typical waveforms.  
3.  
4.  
5.  
Turn-on delay time measurement is for either an application of power at the input or a signal at the shutdown pin.  
For operation at 16VDC, derate output power by 33%.  
Above +85°C case temperature, derate maximum input voltage linearly to 33V at +125°C case.  
www.irf.com  
3
AHE28XXS Series  
Specifications  
ABSOLUTE MAXIMUM RATINGS  
Input Voltage1  
Power Output  
Soldering  
-0.5V to 50V  
Internally limited, 17.5W typical for AHE2805S/HB&CH, 22.5W typical for AHE281XS/HB&CH  
300°C for 10 seconds  
Operating -55°C to +125°C case  
Temp Range1  
Storage -65°C to +135°C  
Parameter  
Conditions  
AHE2805S/HB&CH  
AHE2812S/HB&CH  
AHE2815S/HB&CH  
-55°C ≤ Tc ≤ +125°C  
Vin = 28 Vdc ±5%,CL = 0  
Unless otherwise specified  
Min  
Typ  
Max  
Min  
Typ  
Max  
Min  
Typ  
Max  
Units  
Static Characteristic  
OUTPUT  
Voltage  
Current  
Ripple  
V
IN=17 to 40 VDC  
4.90  
0.0  
5.00  
20  
5.10  
3000  
60  
11.76  
0.0  
12.00  
30  
12.24  
1667  
60  
14.70  
0.0  
15.00  
30  
15.30  
1333  
60  
VDC  
mADC  
mVp-p  
I
OUT=0 to Full Load  
Full Load, DC to 1MHz  
TCASE = 25°C, IOUT = 0  
Accuracy  
Power1  
4.95  
15  
5.00  
5.05  
11.88  
20  
12.00  
12.12  
14.85  
20  
15.00  
15.15  
VDC  
W
REGULATION  
Line  
V
IN = 17 to 40 VDC  
TCASE = 25°C  
OUT = 0 to Full Load  
5
30  
35  
mV  
mV  
Load  
10  
50  
50  
120  
50  
150  
I
INPUT  
Voltage Range4  
Current  
17.0  
28.0  
8
40.0  
18  
35  
17.0  
28.0  
8
40.0  
18  
35  
17.0  
28.0  
8
40.0  
18  
35  
VDC  
mADC  
mADC  
mV p-p  
%
Inhibited  
No Load  
Full Load  
TCASE = +25°C  
No effect on performance  
Ripple Current  
Efficiency  
Capacitive Load  
20  
82  
1000  
50  
25  
83  
1000  
50  
25  
84  
1000  
50  
80  
500  
80  
200  
80  
200  
µF  
W
W
Load fault power  
4.5  
6
4.5  
6
4.5  
6
Short Circuit TC =25°C  
Overload TC = 25°C  
dissipation5  
Isolation  
Input to Output @ 500Vdc  
100  
100  
100  
MΩ  
Dynamic  
Characteristic  
Step Load Changes  
Output TC =25°C  
Transient  
50% Load 100% Load  
No Load 50% Load  
50% Load No Load  
50% Load 100% Load  
No Load 50% Load  
50% Load No Load  
mVpk  
mVpk  
mVpk  
µsec  
µsec  
msec  
±150  
-300  
+300  
25  
±300  
-500  
+500  
70  
200  
5
±200  
-400  
+400  
25  
±300  
-500  
+500  
70  
1500  
5
±200  
-400  
+400  
25  
±300  
-500  
+500  
70  
1500  
5
Recovery2  
100  
500  
500  
Step Line Changes  
Output TC = 25°C  
Transient  
Input step 17 to 40VDC  
Input step 40 to 17VDC  
Input step 17 to 40VDC  
Input step 40 to 17VDC  
+180  
-600  
400  
+300  
1000  
800  
+180  
-600  
400  
+500  
-1500  
800  
+180  
-600  
400  
+500  
-1500  
800  
mVpk  
mVpk  
µsec  
µsec  
Recovery2  
400  
800  
400  
800  
400  
800  
TURN –ON  
Overshoot  
Delay3  
VIN = 17 to 40VDC  
IOUT = 0 to Full Load  
VIN = 17 to 40VDC  
Standard Package  
Flange Package  
0
8
8
55  
58  
550  
10  
10  
300  
8
8
55  
58  
600  
10  
10  
300  
8
8
500  
10  
10  
55  
58  
mVpk  
msec  
msec  
grams  
grams  
Load Fault Recovery4  
Weight  
Notes to Specifications  
1.  
2.  
Above +125°C case temperature, derate output power linearly to 0 at 135°C case.  
Recovery time is measured from the initiation of the transient to where VOUT has returned to within ±1% of VOUT at 50% load.  
See typical waveforms.  
3.  
4.  
5.  
Turn-on delay time measurement is for either an application of power at the input or a signal at the shutdown pin.  
For operation at 16VDC, derate output power by 33%.  
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.  
4
www.irf.com  
AHE28XXS Series  
AHE28XXS Block Diagram  
5
4
+Vout  
EM I  
Filter  
1
+Input  
Return  
Drive 1  
Pulse W idth  
M odulator  
2
Enable  
Error  
Am p &  
Ref  
FB  
9
3
VAD J  
Drive 2  
Sync  
Input  
Return  
10  
Application Information  
Inhibit Function  
Output Voltage Adjustment (AHE2805 only)  
The output voltage of the AHE2805S converter can be  
adjusted upward by connecting an appropriate resistor  
between Output Adjust (Pin 3) and Output Common  
(Pin 4) as shown in Table 1 below.  
Connecting the inhibit input (Pin 2) to input common (Pin 10)  
will cause the converter to shut down. It is recommended  
that the inhibit pin be driven by an open collector device  
capable of sinking at least 400µA of current. The open cir-  
cuit voltage of the inhibit input is 11.5 ±1 VDC.  
Table 1 Output adjustment resistor values  
Output Voltage Increases (%)  
Resistance Pin 3 to 4 (Ω)  
EMI Filter  
None  
390K  
145K  
63K  
22K  
0
0
An EMI filter (AFC461), available as an option, will reduce  
the input ripple current to levels below the limits imposed by  
MIL-STD-461B CEO.  
+1%  
+2%  
+3%  
+4%  
+5%  
www.irf.com  
5
AHE28XXS Series  
Device Synchronization  
Whenever multiple DC/DC converters are utilized in a single  
system, significant low frequency noise may be gener-  
ated due to slight difference in the switching frequencies  
of the converters (beat frequency noise). Because of the  
low frequency nature of this noise (typically less than  
10KHz), it is difficult to filter out and may interfere with  
proper operation of sensitive systems (communications,  
radar or telemetry). Advanced Analog offers an option,  
which provides synchronization of multiple AHE/ATW/ATO  
type converters, thus eliminating this type of noise.  
The user should be aware that the synchronization sys-  
tem is fail-safe; that is, the slaves will continue operating  
should the master frequency be interrupted for any rea-  
son. The layout must be such that the synchronization  
output (pin 9) of the master device is connected to the  
synchronization input (pin 9) of each slave device. It is  
advisable to keep this run short to minimize the possibility  
of radiating the 250KHz switching frequency.  
The appropriate parts must be ordered to utilize this fea-  
ture. After selecting the converters required for the sys-  
tem, a MSTR suffix is added for the master converter part  
number and a SLV suffix is added for slave part number.  
See Part Number section.  
To take advantage of this capability, the system designer  
must assign one of the converters as the master. Then, by  
definition, the remaining converters become slaves and  
will operate at the masters’ switching frequency.  
Typical Synchronization Connection  
+
In  
Output  
+
In  
Output  
AFC461  
or  
AFV461  
AHE28xxS  
- M STR  
Case  
Return  
Return  
Return  
Return  
M STR  
+
In  
+Output  
Return  
AHE28xxD  
-SLV  
Case  
System  
Bus  
-Output  
Return  
SLV  
Output  
Return  
+
In  
AHE28xxS  
-SLV  
Case  
Return  
SLV  
6
www.irf.com  
AHE28XXS Series  
AHE28XXS Case Outlines  
Non-Flanged  
Flanged  
0.050  
0.800  
0.040 D  
X
0.26 L Pins  
2.880  
Max  
2.110  
Max  
4 X 0.400  
=1.600  
2.560  
2.110  
0.495  
Ø 0.162  
2 Holes  
0.495  
Max  
1.110  
Part Numbering  
Pin Designation  
AHE 28 05 S F / CH - MSTR  
Pin No.  
Designation  
Sync Option  
Model  
M STR  
SLV  
=
M aster  
=
Slave  
1
2
Positive Input  
Enable Input  
Output Adjust *  
Output Return  
Positive Output  
N/C  
Input Voltage  
28 = 28V  
Screening  
– , ES, HB, CH  
Output Voltage  
Package Options  
F = Flange  
O m it for Standard  
5 = ±5, 12 = ±12,  
15 = ±15  
3
Outputs  
S = Single  
D = Dual  
4
5
6
7
N/C  
8
Case Ground  
N/C or Sync.  
Input Return  
9
10  
* AHE2805S only. AHE2812S / 2815S have N/C on Pin 3  
www.irf.com  
7
AHE28XXS Series  
Available Screening Levels and ProcessVariations for AHE28XXS Series  
Requirement  
MIL-STD-883  
Method  
No  
Suffix  
ES  
Suffix  
HB  
Suffix  
CH  
Suffix  
Temperature  
Range  
-20 to +85 C  
-55 C to +125 C  
-55 C to +125 C  
-55 C to +125 C  
° °  
°
°
°
°
°
Element  
MIL-PRF-38534  
Evaluation  
Internal Visual  
Temperature  
Cycle  
2017  
1010  
Yes  
Cond B  
Yes  
Cond C  
Yes  
Cond C  
Constant  
2001  
500g  
Cond A  
Cond A  
Acceleration  
Burn-in  
Final Electrical  
(Group A)  
1015  
MIL-PRF-  
38534 &  
48hrs @ 85 C  
48hrs @ 125 C  
160hrs @ 125 C  
160hrs @ 125 C  
°
°
°
°
25 C  
°
25 C  
°
-55, +25, +125 C  
-55, +25, +125 C  
°
°
Specifications  
Seal, Fine &  
Gross  
External  
Visual  
1014  
Cond C  
Cond A, C  
Yes  
Cond A, C  
Yes  
Cond A, C  
Yes  
2009  
* Per Commercial Standards  
Available Standard Military Drawing (SMD) Cross Reference  
Standard  
Military Drawing  
PIN  
Vendor  
CAGE  
Code  
Vendor  
Similar  
PIN  
Standard  
Military Drawing  
PIN  
Vendor  
CAGE  
Code  
Vendor  
Similar  
PIN  
5962-9158001HXX  
5962-9158001HZX  
5962-9158002HXX  
5962-9158002HZX  
5962-9158003HXX  
5962-9158003HZX  
52467  
52467  
52467  
52467  
52467  
52467  
AHE2812S/CH  
AHE2812SF/CH  
AHE2812S/CH-SLV  
AHE2812SF/CH-SLV  
AHE2812S/CH-MSTR  
AHE2812SF/CH-MSTR  
5962-8968301HXX  
5962-8968301HZX  
5962-8968302HXX  
5962-8968302HZX  
5962-8968303HXX  
5962-8968303HZX  
52467  
52467  
52467  
52467  
52467  
52467  
AHE2805S/CH  
AHE2805SF/CH  
AHE2805S/CH-SLV  
AHE2805SF/CHSLV  
AHE2805S/CH-MSTR  
AHE2805SF/CH-MSTR  
Standard  
Military Drawing  
PIN  
Vendor  
CAGE  
Code  
Vendor  
Similar  
PIN  
5962-9162501HXX  
5962-9162501HZX  
5962-9162502HXX  
5962-9162502HZX  
5962-9162503HXX  
5962-9162503HZX  
52467  
52467  
52467  
52467  
52467  
52467  
AHE2815S/CH  
AHE2815SF/CH  
AHE2815S/CH-SLV  
AHE2815SF/CH-SLV  
AHE2815S/CH-MSTR  
AHE2815SF/CH-MSTR  
WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331  
ADVANCED ANALOG: 2270 Martin Av., Santa Clara, California 95050, Tel: (408) 727-0500  
Visit us at www.irf.com for sales contact information.  
Data and specifications subject to change without notice. 10/02  
8
www.irf.com  

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