DVTR2800T Series HIGH RELIABILITY HYBRID DC-DC CONVERTERS DESCRIPTION FEATURES The DVTR series of high reliability DC-DC converters is operable over the full military (-55 °C to +125 °C) temperature range with no power derating. Unique to the DVTR series is a fault tolerant magnetic feedback circuit. Operating at a nominal fixed frequency of 325 kHz per stage, these regulated, isolated units utilize well-controlled undervoltage lockout circuitry to eliminate slow start-up problems. • • • 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 • • High Reliability Very Low Output Noise Wide Input Voltage Range: 15 to 50 Volts per MIL-STD-704 Up to 30 Watts Output Power Fault Tolerant Magnetic Feedback Circuit NO Use of Optoisolators Undervoltage Lockout Indefinite Short Circuit Protection Current Limit Protection Industry Standard Pinout High Input Transient Voltage: 80 Volts for 1 sec per MIL-STD-704A Precision Seam Welded or Solder Seal Hermetic Package High Power Density: > 28 W/in3 Custom Versions Available Additional Environmental Screening Available Meets MIL-STD-461C and MIL-STD-461D EMC Requirements When Used With a DVMC28 EMI Filter Flanged and Non-flanged Versions Available. MIL-PRF-38534 Element Evaluated Components Figure 1 – DVTR2800T / DVTR2800TF DC-DC Converter (Not To Scale) 1X009DSG 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: [email protected] 1 DVTR2800T Series SPECIFICATIONS (TCASE = -55°C to +125°C, VIN = +28V ± 5%, Full Load5, Unless Otherwise Specified) ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) Input Voltage (Transient, 1 second) Output Power Power Dissipation (Full Load, TCASE = +125°C) Parameter 50 VDC 80 Volts 30 Watts 10 Watts Junction Temperature Rise to Case Storage Temperature Lead Solder Temperature (10 seconds) Weight (Maximum) (Un-Flanged / Flanged) +15°C -65°C to +150°C 270°C (50 / 56) Grams Min DVTR28512T Typ Max Min DVTR28515T Typ Max 15 28 50 15 28 50 V - - 80 - - 80 V Inhibited - 3.5 5 - 3.5 5 mA No Load - 20 50 - 20 50 mA - 20 50 - 20 50 mAp-p 0 - 1.5 0 - 1.5 V 13 15 17 13 15 17 V Conditions Units STATIC Continuous INPUT Voltage Transient, 1 sec Current 4 5 Ripple Current Full Load , 20Hz to 10MHz Inhibit Pin Input 4 Inhibit Pin Open Circuit Voltage 4 UVLO Turn On 4 UVLO Turn Off VMAIN +VAUX -VAUX OUTPUT Voltage VMAIN 4 Power 4.95 5.0 5.05 4.95 5.0 5.05 V 11.88 12.0 12.12 14.85 15.0 15.15 V -12.24 -12.0 -11.76 -15.30 -15.0 -14.70 V 4.85 5.0 5.15 V 14.55 15.0 15.45 V -VAUX -12.48 -12.0 -11.52 -15.60 -15.0 -14.40 V Total 0 - 30 0 - 30 W VMAIN 0 - 15 0 - 15 W 6 0 - 15 0 - 15 W Either Output 6 5 Full Load , 20Hz to 10MHz 0 - 3.0 0 - 3.0 A 0 - 0.87 0 - 0.70 A - 20 60 - 20 60 mVp-p - 40 100 - 40 100 mVp-p - 10 25 - 10 25 mV - 15 50 - 15 50 mV -VAUX - 20 100 - 20 100 mV VMAIN - 10 25 - 10 25 mV - 10 50 - 10 50 mV - 50 250 - 50 250 mV 550 - - 550 mV VMAIN +VAUX +VAUX VIN = 15V to 50V 5,8 No Load to Full Load -VAUX ±VAUX EFFICIENCY +VOUT = 30%, -VOUT = 70% +VOUT = 70%, -VOUT = 30% - - 5 74 79 - 75 80 - % 4 - - 15 - - 15 W - - 10 - - 10 W - - 500 - - 500 µF 550 650 700 550 650 700 kHz kHz Full Load LOAD FAULT POWER DISSIPATION Overload Short Circuit 4 CAPACITIVE LOAD SWITCHING FREQUENCY 7 SYNCHRONIZATION FREQUENCY ISOLATION 500 VDC, TCASE = 25°C MTBF (MIL-HDBK-217F) AIF @ TC = 55°C 1X009DSG V V 5.15 ±VAUX Cross Regulation 14.5 14.5 12.36 VMAIN Load Regulation - 5.0 TCASE = -55°C to +125°C VMAIN Line Regulation 10.5 11.0 12.0 ±VAUX Ripple Voltage 14.5 14.5 4.85 ±VAUX 3 - 11.64 +VAUX Current TCASE = 25°C 10.5 11.0 700 750 800 700 750 800 100 - - 100 - - MΩ - 307 - - 307 - kHrs 2 DVTR2800T Series SPECIFICATIONS (TCASE = -55°C to +125°C, VIN = +28V ± 5%, Full Load5, Unless Otherwise Specified) ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) Input Voltage (Transient, 1 second) Output Power Power Dissipation (Full Load, TCASE = +125°C) Parameter 50 VDC 80 Volts 30 Watts 10 Watts Junction Temperature Rise to Case Storage Temperature Lead Solder Temperature (10 seconds) Weight (Maximum) (Un-Flanged / Flanged) DVTR28512T Conditions +15°C -65°C to +150°C 270°C (50 / 56) Grams DVTR28515T Units Min Typ Max Min Typ Max - 200 400 - 200 400 mVPK DYNAMIC Load Step Output Transient 2 2, 4 Line Step Recovery ±VAUX - 500 700 - 500 700 mVPK - 200 400 - 200 400 µSec ±VAUX - 200 400 - 200 400 µSec VMAIN - 200 400 - 200 400 mVPK - 300 500 - 300 500 mVPK VMAIN Load Step Recovery Line Step Output Transient VMAIN 4 ±VAUX VMAIN Half Load to Full Load VIN = 15V to 50V ±VAUX Turn On Delay Turn On Overshoot Notes: VMAIN ±VAUX VIN = 0V to 28V - 200 400 - 200 400 µSec - 200 400 - 200 400 µSec - - 20 - - 20 mSec - - 25 - - 25 mVPK - - 50 - - 50 mVPK 1. This note intentionally not used. 2. Time for output voltage to settle within 1% of its nominal value. 3. Derate linearly to 0 at 135°C. 4. Verified by qualification testing. 5. 15W on VMAIN and 15W on ±VAUX. 6. Up to 70% of the total auxiliary power or current can be drawn from either of the auxiliary outputs. 7. Synchronization is TTL signal with VSYNC MAX = 6V. 8. -VAUX is 5% Load to Full Load at -55°C. 1X009DSG 3 DVTR2800T Series BLOCK DIAGRAM 28V IN +V MAIN PIN 1 PIN 2 OUT COM PIN 3 +V AUX IN COM PIN 5 PIN 10 SYNC PIN 9 PRIMARY HOUSEKEEPING SUPPLY INH -V AUX DUAL PWM CONTROLLER PIN 4 TRANSFORMER ISOLATED ERROR SIGNAL FEEDBACK VOLTAGE AND CURRENT ERROR AMPLIFIERS TRANSFORMER ISOLATED POWER FEEDFORWARD SECONDARY HOUSKEEPING SUPPLY PIN 8 Figure 2 1X009DSG 4 DVTR2800T Series CONNECTION DIAGRAM 1 2 28V IN +V MAIN LOAD 5 9 +V AUX SYNC 28 Vdc + - LOAD 8 INH -V AUX 4 LOAD 10 IN COM OUT COM 3 Figure 3 INHIBIT DRIVE CONNECTION DIAGRAMS 28V IN 1 28V IN 1 15K INH 15K OPTOISOLATOR 8 BIAS OPTIONAL CAPACITOR IN COM 10 INH 8 BIAS OPTIONAL CAPACITOR 14V IN COM 10 14V Figure 4 – Internal Inhibit Circuit and Recommended Drive Figure 5 – Isolated Inhibit Drive (Shown with optional capacitor for turn-on delay) (Shown with optional capacitor for turn-on delay) 1X009DSG 5 DVTR2800T Series EMI FILTER HOOKUP DIAGRAM DVMC28 EMI FILTER 1 28V IN 28V OUT DVTR2800T DC-DC CONVERTER 2 1 28V IN +V MAIN 2 LOAD 5 9 SYNC 28 Vdc + - +V AUX LOAD 8 4 INH -V AUX LOAD 5 4 10 IN COM OUT COM IN COM OUT COM 3 3 CASE 6, 7 Figure 6 – Converter with EMI Filter 1X009DSG 6 DVTR2800T Series EFFICIENCY PERFORMANCE CURVES (TCASE = 25°C) VIN = 15V VIN = 28V VIN = 50V 85 80 Efficiency [%] 75 70 65 60 55 - 5 10 15 20 25 30 35 40 Output Power [W] Figure 7 – DVTR28512T Efficiency (%) vs. Output Power (W) 85 80 Efficiency [%] 75 70 65 60 55 - 5 10 15 20 25 30 35 40 Output Power [W] Figure 8 – DVTR28515T Efficiency (%) vs. Output Power (W) 1X009DSG 7 DVTR2800T Series EMI PERFORMANCE CURVES (TCASE = 25°C, VIN = +28V ± 5%, Full Load, Unless Otherwise Specified) Figure 9 – DVTR2800T without EMI Filter Figure 10 – DVTR2800T with EMI Filter 1X009DSG 8 DVTR2800T Series PACKAGE SPECIFICATIONS (NON-FLANGED, SOLDER SEAL) TOP VIEW SIDE VIEW PIN FUNCTION 1 28V IN 2 +V MAIN 3 OUT COM 4 -V AUX 5 +V AUX 6 CASE 7 CASE 8 INHIBIT 9 SYNC 10 IN COM BOTTOM VIEW Figure 11 – 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) 1X009DSG 9 DVTR2800T Series PACKAGE SPECIFICATIONS (NON-FLANGED, SEAM SEAL) TOP VIEW SIDE VIEW PIN FUNCTION 1 28V IN 2 +V MAIN 3 OUT COM 4 -V AUX 5 +V AUX 6 CASE 7 CASE 8 INHIBIT 9 SYNC 10 IN COM BOTTOM VIEW Figure 12 – Non-Flanged, Seam Seal Package and Pinout (Dimensional Limits are ±0.005” Unless Otherwise Stated) 1X009DSG 10 DVTR2800T Series PACKAGE SPECIFICATIONS (FLANGED, SOLDER SEAL) TOP VIEW SIDE VIEW PIN FUNCTION 1 28V IN 2 +V MAIN 3 OUT COM 4 -V AUX 5 +V AUX 6 CASE 7 CASE 8 INHIBIT 9 SYNC 10 IN COM BOTTOM VIEW Figure 13 – Flanged, Solder Seal Tin Plated Package and Pinout (Not Used for /HB or Higher Screened Products) (Dimensional Limits are ±0.005” Unless Otherwise Stated) 1X009DSG 11 DVTR2800T Series PACKAGE SPECIFICATIONS (FLANGED, SEAM SEAL) TOP VIEW SIDE VIEW PIN FUNCTION 1 28V IN 2 +V MAIN 3 OUT COM 4 -V AUX 5 +V AUX 6 CASE 7 CASE 8 INHIBIT 9 SYNC 10 IN COM BOTTOM VIEW Figure 14 – Flanged, Seam Seal Package and Pinout (Dimensional Limits are ±0.005” Unless Otherwise Stated) 1X009DSG 12 DVTR2800T Series PACKAGE PIN DESCRIPTION Pin Function Description 1 28V IN Positive Input Voltage Connection 2 +V MAIN Positive Main Output Voltage Connection 3 OUT COM Output Common Connection 4 -V AUX Negative Auxiliary Output Voltage Connection 5 +V AUX Positive Auxiliary Output Voltage Connection 6 CASE Case Connection 7 CASE Case Connection 8 INHIBIT Logic Low = Disabled Output. Connecting the inhibit pin to input common causes converter shutdown. Logic High = Enabled Output. Unconnected or open collector TTL. 9 SYNC Synchronization Signal 10 IN COM Input Common Connection 1X009DSG 13 DVTR2800T Series ENVIRONMENTAL SCREENING (100% Tested Per MIL-STD-883 as referenced to MIL-PRF-38534) Screening MIL-STD-883 (No Suffix) Extended /ES HB /HB Class H /H Class K /K • • • • • • • • • • • • • • Standard NonDestructive Bond Pull Method 2023 • Internal Visual Method 2017, 2032 Internal Procedure • Temperature Cycling Method 1010, Condition C Method 1010, -55°C to 125°C • Constant Acceleration Method 2001, 3000g, Y1 Direction Method 2001, 500g, Y1 Direction • PIND Method 2020, Condition A2 • Pre Burn-In Electrical 100% at 25°C • Burn-In Method 1015, 320 hours at +125°C Method 1015, 160 hours at +125°C 96 hours at +125°C 24 hours at +125°C • Final Electrical MIL-PRF-38534, Group A1 100% at 25°C • Hermeticity Method 1014, Fine Leak, Condition A Method 1014, Gross Leak, Condition C -3 Dip (1 x 10 ) Radiography Method 20123 External Visual Method 2009 Notes: 1X009DSG 1. 2. 3. • • • • • • • • • • • • • • • • • • • • • • • 100% R&R testing at –55°C, +25°C, and +125°C 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. 14 DVTR2800T Series ORDERING INFORMATION DVTR 28 5 12 T F /HB 1 2 3 4 5 6 7 - XXX 8 (1) (2) (3) (4) Product Series Nominal Input Voltage Main Output Voltage Auxiliary Output Voltages DVTR 28 1. 2. 5 + 5 Volts 12 15 (5) (6) (7) Package Option Screening Code1,2 Additional Screening Code None F Notes: 28 Volts NonFlanged Flanged None /ES /HB /H /K Standard Extended HB Class H Class K ± 12 Volts ± 15 Volts Contact Sales 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. 1X009DSG 15 DVTR2800T Series SMD (STANDARD MICROCIRCUIT DRAWING) NUMBERS Standard Microcircuit Drawing (SMD) DVTR2800T Series Similar Part Number *T.B.D. DVTR28512T/H DVTR28512TF/H *T.B.D. DVTR28515T/H DVTR28515TF/H Do not use the DVTR2800T 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 [email protected] 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. 1X009DSG 16