OHD2805SFPBF [INFINEON]
DC-DC Regulated Power Supply Module, 1 Output, 15W, Hybrid, 0.385 INCH HEIGHT, METAL, PACKAGE-10;
| 型号： | OHD2805SFPBF |
| 厂家： | 
Infineon |
| 描述： | DC-DC Regulated Power Supply Module, 1 Output, 15W, Hybrid, 0.385 INCH HEIGHT, METAL, PACKAGE-10 |
| 文件： | 总4页 (文件大小：29K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
OHD2805S OHD2815S
OHD2812S
LOW PROFILE DC/DC CONVERTER IN A
HERMETIC METAL PACKAGE
Low Profile Hermetic DC/DC Converter
+5, +12, And +15 Volt In A Metal Package
FEATURES
• Up To 20 Watts Output Power
• 5, 12, 15 Vdc Outputs
• MIL-STD-704D Compatible
• NAVMAT P-4855-1A Component Derating
• Ultra-Low Profile: 0.385" Height
• Constant Frequency PWM Design
• Seam Welded Case For Enhanced Reliability
• Low Voltage Lockout
• 16 to 40 Vdc Input Range
• -55° to +125°C Full Power Operation
• Up to 81% Efficiency
• Industry Standard Pin-Outs
• Magnetic Feedback
2.1
• Short Circuit Current Limiting Protection
• Cascaded Dual Loop Control Scheme For Superior Load Transient Characteristics
• Available Hi-Rel Screened
DESCRIPTION
Omnirel’s OHD2800S series of DC/DC Converters are rated up to 20 watts of output power
over the full military temperature range. These converters are supplied in a fully hermetic,
ultra-low profile package to produce a power density of up to 22 watts per cubic inch.
(T = 25°C, VIN = 28 Vdc unless otherwise specified)
MAXIMUM RATINGS
Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +125°C (Tcase
)
Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C
Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >100 M @ 500 Vdc
Conversion Frequency: Free Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 KHz
Conversion Frequency Sync. Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 KHz - 525 KHz
2.1 - 1
4 11 R0
OHD2805S OHD2812S OHD2815S
ELECTRICAL CHARACTERISTICS
Parameters
Conditions
OHD2805S
OHD2812S
OHD2815S
Units
Input Voltage Range
No Load to Full Load
-55°C to +125°C
16 to 40
40
16 to 40
50
16 to 40
60
Vdc
mA
Max. Input Current
No Load
Max. Input Ripple Current
Full Load
DC to 2 MHz
25
25
25
mAp-p
Vdc
Output Voltage
Full Load
5.0 (±3%)
12.0 (±2%)
15.0 (±2%)
Min. Output Power
VIN = +16 Vdc to +40 Vdc
-55°C to +125°C
15
0 to 3.0
35
20
0 to 1.67
35
20
0 to 1.33
35
W
A
Min. Output Current
VIN = +16 Vdc to +40 Vdc
-55°C to +125°C
Max. Output Ripple
Voltage
Full Load
DC to 2 MHz
mVp-p
Max. Load Regulation
Max. Line Regulation
Typ. Efficiency
No Load to Full Load
Full Load
15
10
79
15
10
81
15
10
81
mV
mV
%
Full Load
Step Load Response
Typ. Transient
No Load to Full Load
Full Load to No Load
±200
65
±250
65
±300
65
mV
µs
Typ. Recovery
No Load to Full Load
Full Load to No Load
2.1
BLOCK DIAGRAM
Input
Filter
Output
Filter
1
2
9
5
PWM
Error
Amp
& Ref.
3
4
10
2.1 - 2
OHD2805S OHD2812S OHD2815S
Topology
Flexible Synchronization
The OHD2800S series is a single ended forward
converter operating at a nominal oscillator
frequency of 400 KHz. These fixed frequency
converters use a resonant transformer reset
circuit which allows for a maximum duty cycle of
67% without increasing the voltage stress on the
primary MOSFET or output rectifiers. Tight line
and load regulation are achieved through wide
bandwidth magnetic feedback circuit. This
magnetic feedback circuit, in conjunction with
bipolar control ICs, offers greater long term
reliability and radiation tolerance when compared
to converters using an optocoupler feedback
circuit and/or CMOS control ICs.
The OHD2800S series offers two different
synchronization options. The standard
OHD2800S can be synchronized to an external
system clock for any rate between 425 KHz and
525 KHz. A second option allows the system
designer to synchronize multiple “slave”
converters to one “master” converter. The
appropriate parts must be ordered to utilize this
master/slave configuration. A suffix of “-MST” is
added for the master part number and “-SLV”
suffix for the slave part number.
Example:
Part No.:
OHD2805S-MST
Description: Master Synch. Config.
High Reliability Design
Omnirel’s OHD2800S series of DC/DC
converters are designed to achieve the high
reliability demanded by military programs. The
case is resistance seam welded for superior long
term hermeticity. The converters use only
ceramic input capacitors to provide high product
reliability over the military temperature range of -
55°C to +125°C. All semiconductor devices are
of the highest level of performance and reliability.
Inhibit Feature
The OHD2800S series of converters provide an
active low (<0.8 V) inhibit pin that can be used to
disable the converter, resulting in a zero output
voltage and very low quiescent current.
2.1
Omnirel’s converters are designed in accordance
with the NAVMAT P-4855-1A component
derating guidelines when operating over the MIL-
STD-704D input voltage range. The converters
meet the conducted emissions (CE03) noise
limits of MIL-STD-461C when operated with
Omnirel’s OFC461 EMI filter module.
Low Voltage Lockout
Omnirel’s OHS2800S series of converters are
designed to operate from an input voltage of 16
to 40 Vdc. The converter will not start until the
input voltage reaches approximately 15 Vdc.
Once operating, the unit will shut down when the
input voltage drops below approximately 14 Vdc.
2.1 - 3
OHD2805S OHD2812S OHD2815S
MECHANICAL OUTLINE
2.110
1.600
.255
.255
.400
8 PLCS.
1
2
3
4
7
5
6
BOTTOM VIEW
.800
C/L
1.110
PIN 8 BRAZED
TO FRAME
.400
10
9
8
.155
DIA. .038
10 PLCS. .042
±.010
.260
.390 MAX.
SIDE VIEW
2.1
PIN CONNECTION
Pin
1
OHD2805S
+ Input
OHD2812S/OHD2815S
+ Input
2
Inhibit Input
Output Adjust
Output Common
+ Output
Inhibit Input
N/C
3
4
Output Common
+ Output
5
6
N/C
N/C
7
N/C
N/C
8
Case Ground
Sync
Case Ground
Sync
9
10
Input Common
Input Common
ORDERING INFORMATION
OHD 28
XX
S
X
-
XXX
Synchronization
MST = Master
SLV = Slave
Blank For
Standard Package
Output
Voltage
05 = 5 Vdc
12 = 12 Vdc
15 = 15 Vdc
Package Style
F = Flange Option
Blank For
Outputs
S = Single
D = Dual
Input
Voltage
Standard Package
Model
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246
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