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DVHE2800S Series
HIGH RELIABILITY HYBRID DC-DC CONVERTERS
DESCRIPTION
The DVHE series of high reliability DC-DC converters is operable over the full military (-55 C to +125 C) temperature range with no power derating. Operating at a fixed frequency, these regulated, isolated units utilize well controlled undervoltage lockout circuitry to eliminate slow start-up problems. The DVHE is optimized for low voltage applications with high efficiency synchronous rectification and fast transient response. These converters are designed and manufactured in a facility qualified to ISO9001 and certified to MILPRF-38534 and MIL-STD-883. This product may incorporate one or more of the following U.S. patents: 5,784,266 5,790,389 5,963,438 5,999,433 6,005,780 6,084,792 6,118,673
FEATURES
* * * * * * * * * * * * * * * * * * * * High Efficiency, Up to 90% Low Output Voltage Models Up to 50 Watts Output Power Up to 10 Amps Output Current High Reliability Very Low Output Noise Wide Input Voltage Range: 16 to 40 Volts Input Transient Voltage: 50 Volts for 1 sec Output Voltage Trim +/-10% NO Use of Optoisolators Undervoltage Lockout Short Circuit / Current Limit Protection High Power Density: > 50 W/in3 Industry Standard Package Precision Seam Seal or Solder Seal Hermetic Package Flanged and Non-flanged Versions Available. Custom Versions Available Additional Environmental Screening Available Meets MIL-STD-461C and MIL-STD-461D EMC Requirements When Used With a DVMC28 EMI Filter MIL-PRF-38534 Element Evaluated Components
Figure 1 - DVHE2800S DC-DC Converter (Not To Scale)
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11314 4th Avenue West, Suite 206 Everett, WA 98204 http://www.vpt-inc.com
Sales Information: Phone: (425) 353-3010 Fax: (425) 353-4030 E-mail: vptsales@vpt-inc.com
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DVHE2800S Series
SPECIFICATIONS (TCASE = -55C to +125C, VIN = +28V 5%, Full Load, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous) Input Voltage (Transient, 1 second) Output Power1 Power Dissipation (Full Load, TCASE = +125C) 40 VDC 50 Volts 50 Watts 9 Watts Junction Temperature Rise to Case Storage Temperature Lead Solder Temperature (10 seconds) Weight (Maximum) (Un-Flanged / Flanged) DVHE281R9S Min
16 -
+10C -65C to +150C 270C (52 / 55) Grams
Parameter STATIC
INPUT 4 Voltage Current Ripple Current Inhibit Pin Input UVLO Turn On UVLO Turn Off OUTPUT Voltage Power
3 3 4 4 4
Conditions
DVHE282R5S Max
40 50 6 90 100
Typ
28 -
Min
16 -
Typ
28 -
Max
40 50 6 90 150
Units
Continuous Transient, 1 sec Inhibited No Load Full Load, 20Hz to 10MHz
V V mA mA mAp-p V V V V V V W A mVp-p mV mV % W W F kHz M kHrs
0 7 14 13 VOUT VOUT VOUT VOUT VOUT VOUT Full Load, 20Hz to 10MHz VIN = 16V to 40V No Load to Full Load 80 Overload
4
9 15 14 1.90 1.9
1.5 11 15.8 15 1.92 1.96 19 10 150
0 7 14 13 2.47 2.44 0 0
9 15 14 2.50 2.50
1.5 11 15.8 15 2.53 2.56 25 10 150
Inhibit Pin Open Circuit Voltage
TCASE = 25C TCASE = -55C to +125C
1.88 1.84 0 0
Current
Ripple Voltage Line Regulation Load Regulation EFFICIENCY
1 15 84
10 30 83 10 10 5000
1 15 87
10 30 10 10 5000
LOAD FAULT POWER DISSIPATION CAPACITIVE LOAD ISOLATION MTBF (MIL-HDBK-217F)
4
Short Circuit 220 500 VDC AIF @ TC = 55C 100 260 381
SWITCHING FREQUENCY
300 -
220 100 -
260 381
300 -
Load Step Output Transient Load Step Recovery Line Step Recovery Turn On Delay Turn On Overshoot
2 4
VOUT VOUT VOUT
Half Load to Full Load VIN = 16V to 40V VIN = 0V to 28V
-
200 200 100 200 -
350 300 200 300 30 15
-
200 200 150 200 -
350 300 250 300 30 15
mVPK Sec mVPK Sec mSec mVPK
Line Step Output Transient
2, 4
Notes:
1. Dependant on output voltage. 3. Derate linearly to 0 at 135C.
2. Time for output voltage to settle within 1% of its nominal value. 4. Verified by qualification testing.
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DVHE2800S Series
SPECIFICATIONS (TCASE = -55C to +125C, VIN = +28V 5%, Full Load, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous) Input Voltage (Transient, 1 second) Output Power1 Power Dissipation (Full Load, TCASE = +125C) 40 VDC 50 Volts 50 Watts 9 Watts Junction Temperature Rise to Case Storage Temperature Lead Solder Temperature (10 seconds) Weight (Maximum) (Un-Flanged / Flanged) +10C -65C to +150C 270C (49 / 52) Grams
Parameter STATIC
INPUT 4 Voltage Current Ripple Current Inhibit Pin Input UVLO Turn On UVLO Turn Off OUTPUT Voltage Power
3 3 4 4 4
Conditions
DVHE283R3S Min
16 -
DVHE2805S Max
40 50 6 110 150
Typ
28 -
Min
16 0 7 14 13 4.95 4.87 0 0 86 300 100 -
Typ
28 9 15 14 5.00 5.00 100 1 15 90 350 381
Max
40 50 6 140 150 1.5 11 15.8 15 5.05 5.13 50 10 200 10 30 12 14 5000 400 -
Units
Continuous Transient, 1 sec Inhibited No Load Full Load, 20Hz to 10MHz
V V mA mA mAp-p V V V V V V W A mVp-p mV mV % W W F kHz M kHrs
0 7 14 13 VOUT VOUT VOUT VOUT VOUT VOUT Full Load, 20Hz to 10MHz VIN = 16V to 40V No Load to Full Load 85 Overload
4
9 15 14 3.30 3.30
1.5 11 15.8 15 3.33 3.38 33 10
Inhibit Pin Open Circuit Voltage
TCASE = 25C TCASE = -55C to +125C
3.27 3.22 0 0
Current
Ripple Voltage Line Regulation Load Regulation EFFICIENCY
75 1 15 88
150 10 30 10 14 5000
LOAD FAULT POWER DISSIPATION CAPACITIVE LOAD ISOLATION MTBF (MIL-HDBK-217F)
4
Short Circuit 220 500 VDC AIF @ TC = 55C 100 260 381
SWITCHING FREQUENCY
300 -
-
DYNAMIC
Load Step Output Transient Load Step Recovery Line Step Recovery Turn On Delay Turn On Overshoot
2 4
VOUT VOUT VOUT
Half Load to Full Load VIN = 16V to 40V VIN = 0V to 28V
200 200 150 200 -
350 300 250 300 30 15
-
250 200 300 200 -
400 300 350 300 20 25
mVPK Sec mVPK Sec mSec mVPK
Line Step Output Transient
2, 4
Notes:
1. Dependant on output voltage. 3. Derate linearly to 0 at 135C.
2. Time for output voltage to settle within 1% of its nominal value. 4. Verified by qualification testing.
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DVHE2800S Series
BLOCK DIAGRAM
Figure 2
CONNECTION DIAGRAM
Figure 3
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DVHE2800S Series
INHIBIT DRIVE CONNECTION DIAGRAMS
Figure 4 - Internal Inhibit Circuit and Recommended Drive (Shown with optional capacitor for turn-on delay)
Figure 5 - Isolated Inhibit Drive (Shown with optional capacitor for turn-on delay)
EMI FILTER HOOKUP DIAGRAM
Figure 6 - Converter with EMI Filter
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DVHE2800S Series
OUTPUT VOLTAGE TRIM
The output voltage can be trimmed down by connecting a resistor between the TRIM pin (PIN 2) and the +V OUT pin (PIN 5), or can be trimmed up by connecting a resistor between the TRIM pin (PIN 2) and the OUT COM pin (PIN 4). The maximum trim range is +10% up and -10% down. The appropriate resistor values versus the output voltage are given in the trim table below.
Figure 7 - Output Voltage Trim
DVHE281R9S
+VOUT (V) 1.71 1.72 1.74 1.76 1.78 1.80 1.82 1.84 1.86 1.88 1.90 1.92 1.94 1.96 1.99 2.00 2.01 2.03 2.05 2.07 2.10 RTRIM () 11.8k 14.1k 19.6k 26.7k 36k 49.2k 69k 102k 168k 365k 707k 345k 224k 143k 127k 114k 93.6k 78.7k 67.4k 54.5k
DVHE282R5S
+VOUT (V) 2.25 2.27 2.30 2.32 2.35 2.37 2.40 2.42 2.45 2.47 2.50 2.52 2.55 2.57 2.60 2.62 2.65 2.67 2.70 2.72 2.75 RTRIM () 26.9k 31.8k 40.8k 48.6k 64k 78.3k 110k 145k 249k 435k 624k 239k 165k 110k 89k 67.6k 57.5k 46.2k 40.4k 33.4k
DVHE283R3S
+VOUT (V) 2.97 3.00 3.04 3.07 3.10 3.13 3.17 3.20 3.23 3.27 3.30 3.33 3.36 3.40 3.43 3.46 3.50 3.53 3.56 3.60 3.63 RTRIM () 34.8k 41k 51.7k 62.1k 75.6k 93.8k 131k 179k 268k 662k 392k 187k 105k 76.7k 58.9k 43.5k 35.5k 29.3k 23k 19.3k
DVHE2805S
+VOUT (V) 4.50 4.55 4.60 4.65 4.70 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25 5.30 5.35 5.40 5.45 5.50 RTRIM () 46.5k 54.8k 65.1k 78.4k 96.1k 120.9k 158k 220k 343.9k 715.5k 216.7k 99.4k 60.2k 40.7k 28.9k 21.1k 15.5k 11.3k 8k 5.5k
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DVHE2800S Series
EFFICIENCY PERFORMANCE CURVES (TCASE = 25C, Full Load, Unless Otherwise Specified)
VIN = 16V VIN = 28V VIN = 40V
90
90
85
85 Efficiency(%)
0 5 10 Output Power(W) 15 20
Efficiency(%)
80
80
75
75
70
70 0 5 10 15 20 25 Output Power(W)
Figure 8 - DVHE281R9S Efficiency (%) vs. Output Power (W)
Figure 9 - DVHE282R5S
Efficiency (%) vs. Output Power (W)
90
95
85
90 Efficiency(%)
0 10 20 Output Power(W) 30
Efficiency(%)
80
85
75
80
70
75 0 10 20 30 40 50 Output Power (W)
Figure 10 - DVHE283R3S Efficiency (%) vs. Output Power (W)
Figure 11 - DVHE2805S Efficiency (%) vs. Output Power (W)
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DVHE2800S Series
EMI PERFORMANCE CURVES
(TCASE = 25C, VIN = +28V 5%, Full Load, Unless Otherwise Specified)
Figure 12 - DVHE2800S without EMI Filter
Figure 13 - DVHE2800S with DVMC28 EMI Filter
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DVHE2800S Series
PACKAGE SPECIFICATIONS (NON-FLANGED, SOLDER SEAL)
TOP VIEW
SIDE VIEW
PIN 1 2 3 4 5 6 7 8 9 10 BOTTOM VIEW
FUNCTION 28V IN TRIM -S OUT COM +V OUT +S CASE CASE INHIBIT IN COM
Figure 14 - Non-Flanged, Solder Seal Tin Plated Package and Pinout (Not Used for /HB or Higher Screened Products) (Dimensional Limits are 0.005" Unless Otherwise Stated)
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DVHE2800S Series
PACKAGE SPECIFICATIONS (NON-FLANGED, SEAM SEAL)
TOP VIEW
SIDE VIEW
PIN 1 2 3 4 5 6 7 8 9 10 BOTTOM VIEW
FUNCTION 28V IN TRIM -S OUT COM +V OUT +S CASE CASE INHIBIT IN COM
Figure 15 - Non-Flanged, Seam Seal Package and Pinout (Dimensional Limits are 0.005" Unless Otherwise Stated)
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DVHE2800S Series
PACKAGE SPECIFICATIONS (FLANGED, SOLDER SEAL)
TOP VIEW
SIDE VIEW
PIN 1 2 3 4 5 6 7 8 9 10 BOTTOM VIEW
FUNCTION 28V IN TRIM -S OUT COM +V OUT +S CASE CASE INHIBIT IN COM
Figure 16 - Flanged, Solder Seal Tin Plated Package and Pinout (Not Used for /HB or Higher Screened Products) (Dimensional Limits are 0.005" Unless Otherwise Stated)
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DVHE2800S Series
PACKAGE SPECIFICATIONS (FLANGED, SEAM SEAL)
TOP VIEW
SIDE VIEW
PIN 1 2 3 4 5 6 7 8 9 10 BOTTOM VIEW
FUNCTION 28V IN TRIM -S OUT COM +V OUT +S CASE CASE INHIBIT IN COM
Figure 17 - Flanged, Seam Seal Package and Pinout (Dimensional Limits are 0.005" Unless Otherwise Stated)
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DVHE2800S Series
PACKAGE PIN DESCRIPTION
Pin
1 2 3 4 5 6 7 8 9 10
Function
28V IN TRIM -S OUT COM +V OUT +S CASE CASE INHIBIT IN COM
Description
Positive Input Voltage Connection Trim the Output Voltage +/- 10% Return Sense Output Common Connection Positive Output Voltage Connection Positive Sense Case Connection Case Connection Logic Low = Disabled Output. Connecting the inhibit pin to input common causes converter shutdown. Logic High = Enabled Output. Unconnected or open collector TTL. Input Common Connection
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DVHE2800S Series
ENVIRONMENTAL SCREENING (100% Tested Per MIL-STD-883 as referenced to MIL-PRF-38534)
Screening NonDestructive Bond Pull Internal Visual Temperature Cycling Constant Acceleration PIND Pre Burn-In Electrical MIL-STD-883 Standard
(No Suffix)
Extended /ES * *
HB /HB * * * *
Class H /H * * * *
Class K /K * * * * * * *
Method 2023 Method 2017, 2032 Internal Procedure Method 1010, Condition C Method 1010, -55C to 125C Method 2001, 3000g, Y1 Direction Method 2001, 500g, Y1 Direction Method 2020, Condition A2 100% at 25C Method 1015, 320 hours at +125C Method 1015, 160 hours at +125C 96 hours at +125C 24 hours at +125C MIL-PRF-38534, Group A1 100% at 25C Method 1014, Fine Leak, Condition A Method 1014, Gross Leak, Condition C -3 Dip (1 x 10 ) Method 20123 Method 2009 1. 2. 3.
*
*
* *
Burn-In
* *
*
*
*
Final Electrical
* * *
*
*
*
Hermeticity
*
* *
* *
* *
Radiography External Visual Notes:
* * * * * *
100% R&R testing at -55C, +25C, and +125C with all test data included in product shipment. PIND test Certificate of Compliance included in product shipment. Radiographic test Certificate of Compliance and film(s) included in product shipment.
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DVHE2800S Series
ORDERING INFORMATION
DVHE 1 28 2 05 3 S 4 F 5 /HB 6 XXX 7
(1) Product Series
DVHE
(2) Nominal Input Voltage
28 28 Volts
(3) Output Voltage
1R9 2R5 3R3 05 1.9 Volts 2.5 Volts 3.3 Volts 5 Volts
(4) Number of Outputs
S Single
(5) Package Option
None F Non-Flanged Flanged
(6) Screening Code1,2
None /ES /HB /H /K Standard Extended HB Class H Class K
(7) Additional Screening Code
Contact Sales
Notes:
1. 2.
Contact the VPT Inc. Sales Department for availability of Class H (/H) or Class K (/K) qualified products. VPT Inc. reserves the right to ship higher screened or SMD products to meet lower screened orders at our sole discretion unless specifically forbidden by customer contract.
Please contact your sales representative or the VPT Inc. Sales Department for more information concerning additional environmental screening and testing, different input voltage, output voltage, power requirement, source inspection, and/or special element evaluation for space or other higher quality applications.
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DVHE2800S Series
SMD (STANDARD MICROCIRCUIT DRAWING) NUMBERS
Standard Microcircuit Drawing (SMD)
*T.B.D. *T.B.D. *T.B.D. *T.B.D.
DVHE2800S Series Similar Part Number
DVHE281R9S/H DVHE281R9SF/H DVHE282R5S/H DVHE282R5SF/H DVHE283R3S/H DVHE283R3SF/H DVHE2805S/H DVHE2805SF/H
Do not use the DVHE2800S Series similar part number for SMD product acquisition. It is listed for reference only. For exact specifications for the SMD product, refer to the SMD drawing. SMD's can be downloaded from the DSCC website at http://www.dscc.dla.mil/programs/smcr/. The SMD number listed above is for MIL-PRF-38534 Class H screening, standard gold plated lead finish, and no RHA (Radiation Hardness Assurance) level. Please reference the SMD for other screening levels, lead finishes, and radiation levels.
CONTACT INFORMATION
To request a quotation or place orders please contact your sales representative or the VPT Inc. Sales Department at: Phone: Fax: E-mail: (425) 353-3010 (425) 353-4030 vptsales@vpt-inc.com
All information contained in this datasheet is believed to be accurate, however, no responsibility is assumed for possible errors or omissions. The products or specifications contained herein are subject to change without notice.
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