SVHF2805DFEM [VPT]

SPACE QUALIFIED HYBRID DC-DC CONVERTERS;


型号：	SVHF2805DFEM
厂家：	VPT, Inc.
描述：	SPACE QUALIFIED HYBRID DC-DC CONVERTERS DC-DC转换器
文件：	总15页 (文件大小：895K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

SVHF2800D SERIES

SPACE QUALIFIED HYBRID DC-DC CONVERTERS

Models Available

Input: 15 V to 50 V continuous, 80 V transient

20 W, dual outputs of ±5 V, ±12 V, ±15 V

Qualified to MIL-PRF-38534 Class H and Class K

SVHF Series DC-DC Converter

1.0 DESCRIPTION

1.2 SPACE LEVEL CHARACTERIZATIONS

The SVHF Series of space qualified DC-DC converters is

specifically designed for the harsh radiation environment of

space applications. Performance is guaranteed through the use

of hardened semiconductor components, radiation lot

• Guaranteed TID performance to 30 krad(Si) including ELDRS

• SEE performance to 44 MeV-cm²/mg. Transients are fully

characterized for cross section and magnitude

• Worst-case analysis, stress, radiation, reliability reports available

acceptance testing (RLAT) of non-hardened components, and

analysis. The SVHF Series has been characterized for Total

Ionizing Dose (TID) performance including Enhanced Low Dose

Rate Sensitivity (ELDRS) and for Single Event Effects (SEE)

according to VPT’s DLA-approved Radiation Hardness

Assurance (RHA) plan per MIL-PRF-38534, Appendix G,

Level P. Characterization is performed at both the component

level and at the SVHF Series hybrid converter level.

1.3 MANUFACTURING AND COMPLIANCE

• Qualified to MIL-PRF-38534 Class H and Class K,

DLA SMD # 5962-11215

• MIL-PRF-38534 element evaluated components

• MIL-STD-461 C/D/E/F when used with appropriate VPT EMI filter

• Manufactured in a MIL-PRF-38534 Class H and Class K facility

• MIL-STD-883

• ISO-9001

The SVHF Series of DC-DC converters is radiation tolerant and

suited for use in low Earth orbit (LEO), medium Earth orbit

(MEO), geostationary orbit (GEO), deep space, and launch

vehicle programs.

1.4 PACKAGING

• Low-profile: 2.000” x 1.130” x 0.355”

• Max weight: 28 g

• Industry standard pinout

1.1 FEATURES

• Precision projection-welded hermetic metal case

• Flanged and Non-flanged versions available

• Up to 20 W output power

• Wide input voltage range: 15 V to 50 V plus 80 V transient

• Continuous operation over full military temperature range of

-55 °C to +125 °C with no power derating

1.5 SIMILAR PRODUCTS AND ACCESSORIES

• Very low output noise

• SVHF 20 W single output DC-DC converter

• SVRHF 15 W space qualified DC-DC converter, 100 krad(Si)

• Custom versions available

• Radiation immune magnetic feedback circuit

• No use of optoisolators

• Undervoltage lockout

• EMI filters

• Current limit protection / short circuit protection

• Non-isolated, space qualified point of load converters

• Use with Thermal Pad TP-002

Sales Information

Phone:(425) 353-3010

Fax: (425) 353-4030

Web: www.vptpower.com

SVHF2800D - 5.0

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SVHF2800D Series

2.0 DIAGRAMS

2.1 BLOCK DIAGRAM

+V OUT

Rs3

Rs2

OUT COM

28V IN

-V OUT

IN COM

VOLTAGE AND

CURRENT

AMPLIFIERS

MAGNETIC

FEEDBACK

UNDER

VOLTAGE

SHUTDOWN

Rs1

PRIMARY

HOUSEKEEPING

SUPPLY

PWM

CONTROL

SECONDARY

HOUSEKEEPING

SUPPLY

INH

2.2 CONNECTION DIAGRAM

DVMH28 EMI FILTER

SVHF2800D DC-DC CONVERTER

28V IN

28V OUT

28V IN

+V OUT

LOAD

28 Vdc

INH

OUT COM

IN COM OUT COM

IN COM

-V OUT

CASE

3.0 SPECIFICATIONS

3.1 ABSOLUTE MAXIMUM RATINGS

Absolute Maximum Ratings

Input Voltage (Continuous):

-0.5 V to 50 V

-0.5 V to 80 V

Operating Temperature (Full Load):

Storage Temperature:

-55 °C to +125 °C

-65 °C to +150 °C

270 °C

Input Voltage (Transient, 1 second):

ESD Rating per MIL-PRF-38534:

Lead Solder Temperature (10 seconds):

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SVHF2800D Series

3.2 PERFORMANCE SPECIFICATIONS

Tcase = -55 °C to +125 °C, Vin = +28 V ± 5%, Full Load¹, Unless Otherwise Specified

SVHF2805D

SVHF2812D

Parameter

INPUT

Conditions

Min

Typ

Max

Min

Typ

Max

Units

Voltage

Continuous

Transient, 1 sec

INH < 1.5 V

No Load

Current

mApp

Ripple Current

20 Hz to 10 MHz

Turn-On

Undervoltage Lockout

14.8

14.5

14.8

14.5

Turn-Off

OUTPUT STATIC

Voltage

+Vout, Tcase = 25 °C

+Vout, Tcase = -55 °C to +125 °C

-Vout, Tcase = 25 °C

-Vout, Tcase = -55 °C to +125 °C

Total

4.95

4.925

4.8

4.75

5.05

5.075

5.2

11.88

11.82

11.8

11.52

12.12

12.18

12.2

12.48

5.25

2,7

Power

Either Output

10.5

2,7

Total

1.67

Current

Either Output

2.1

1.17

Ripple Voltage

Line Regulation

20 Hz to 10 MHz

mVpp

+Vout, V_IN= 16 V to 40 V

-Vout, V_IN= 16 V to 40 V

200

+Vout, No Load to Full Load

-Vout, No Load to Full Load

Load Regulation

200

Cross Regulation, -Vout

+Vout: 70% load, -Vout: 30% load

+Vout: 30% load, -Vout: 70% load

370

500

400

500

Load Fault Power Dissipation

Overload

Short Circuit

OUTPUT DYNAMIC

Load Step, Half to Full Load, Either Output

Output Transient

200

300

400

300

400

500

800

700

220

200

500

300

400

500

900

500

mVpk

µs

Recovery

Output Transient

mVpk

µs

Line Step , Vin = 16V to 40 V

Recovery

Turn-On, Vin = 0 to 28 V

Delay

Overshoot

mVpk

FUNCTION

Output Inhibited

Output Enabled

1.5

INH Pin Input

INH Pin Open Circuit Voltage

GENERAL

Efficiency

500

µF

kHz

MΩ

Capacitive Load

Switching Frequency

Isolation

350

450

350

450

500 V DC, Tcase = 25 °C

Non-flanged package option

Flanged package option

SF @ Tcase = 55 °C

100

Weight

MTBF (MIL-HDBK-217F)

776

kHr

POST-RAD END-OF-LIFE LIMITS

Input Ripple Current

Output Voltage

5.1

110

12.3

12.6

mApp

+Vout, Tcase = -55 °C to +125 °C

-Vout, Tcase = -55 °C to +125 °C

4.89

4.715

11.66

11.36

5.275

1. Half load at +Vout and half load at -Vout

5. End-of-Life performance includes aging and radiation degradation and is within

standard limits except where noted

6. 5% load to full load at -55 °C

2. Up to 70% of the total power or current can be drawn either of the two outputs

3. Time for output voltage to settle within 1% of steady-state value

4. Verified by qualification testing

7. Derate linearly to 0 at 135 °C

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Fax: (425) 353-4030

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SVHF2800D Series

3.2 PERFORMANCE SPECIFICATIONS (CONTINUED)

Tcase = -55 °C to +125 °C, Vin = +28 V ± 5%, Full Load¹, Unless Otherwise Specified

SVHF2815D

Parameter

INPUT

Conditions

Min

Typ

Max

Units

Voltage

Continuous

Transient, 1 sec

INH < 1.5 V

No Load

Current

mApp

Ripple Current

20 Hz to 10 MHz

Turn-On

Undervoltage Lockout

14.8

14.5

Turn-Off

OUTPUT STATIC

Voltage

+Vout, Tcase = 25 °C

14.85

14.775

14.8

15.15

15.225

15.2

+Vout, Tcase = -55 °C to +125 °C

-Vout, Tcase = 25 °C

-Vout, Tcase = -55 °C to +125 °C

14.40

15.6

2,7

Total

Power

Either Output

Total

2,7

1.33

0.93

Current

Either Output

20 Hz to 10 MHz

+Vout, V_IN= 16 V to 40 V

Ripple Voltage

mVpp

Line Regulation

-Vout, V_IN= 16 V to 40 V

+Vout, No Load to Full Load

-Vout, No Load to Full Load

+Vout: 70% load, -Vout: 30% load

+Vout: 30% load, -Vout: 70% load

Overload

200

Load Regulation

200

Cross Regulation, -Vout

Load Fault Power Dissipation

400

500

Short Circuit

OUTPUT DYNAMIC

Load Step, Half to Full Load, Either Output

Output Transient

200

100

400

500

mVpk

µs

Recovery

Output Transient

500

900

mVpk

Line Step , Vin = 18V to 37.5 V

300

500

µs

Recovery

Turn-On, Vin = 0 to 28 V

Delay

Overshoot

mVpk

FUNCTION

Output Inhibited

Output Enabled

1.5

INH Pin Input

INH Pin Open Circuit Voltage

GENERAL

Efficiency

500

µF

kHz

MΩ

Capacitive Load

Switching Frequency

Isolation

350

450

500 V DC, Tcase = 25 °C

Non-flanged package option

Flanged package option

SF @ Tcase = 55 °C

100

Weight

MTBF (MIL-HDBK-217F)

776

kHr

POST-RAD END-OF-LIFE LIMITS

Input Ripple Current

Output Voltage

110

15.4

mApp

+Vout, Tcase = -55 °C to +125 °C

-Vout, Tcase = -55 °C to +125 °C

14.565

14.19

15.775

1. Half load at +Vout and half load at -Vout

2. Up to 70% of the total power or current can be drawn from

either of the two outputs.

5. End-of-Life performance includes aging and radiation

degradation and is within standard limits except where noted

6. 5% load to full load @ -55 °C

3. Time for output voltage to settle within 1% of steady-state

value

7. Derate linearly to 0 at 135 °C

4. Verified by qualification testing

Sales Information

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Fax: (425) 353-4030

Web: www.vptpower.com

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SVHF2800D Series

4.0 PERFORMANCE CURVES

4.1.1 SVHF2805D Efficiency (Typical, 25 °C)

4.1.2 SVHF2812D Efficiency (Typical, 25 °C)

4.1.3 SVHF2815D Efficiency (Typical, 25 °C)

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SVHF2800D Series

4.0 PERFORMANCE CURVES (CONTINUED)

4.2.1 SVHF2805D Cross-Regulation (Typical, 25 °C)

4.2.2 SVHF2812D Cross-Regulation (Typical, 25 °C)

4.2.3 SVHF2815D Cross-Regulation (Typical, 25 °C)

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SVHF2800D Series

5.0 MECHANICAL OUTLINES AND PINOUT

Non-Flanged Package Option:

1. Tolerances are +0.005” unless otherwise stated

2. Case temperature is measured on the center of the baseplate surface

3. Materials: Case (Steel, gold over nickel plated); Cover (Steel, nickel plated); Pin (Copper-cored alloy 52, gold over nickel plated); Pin Seals (Glass)

Pin Function

INH

-VOUT

INCOM

+VOUT

OUTCOM

28VIN

CASE

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SVHF2800D Series

5.0 MECHANICAL OUTLINES AND PINOUT (CONTINUED)

Flanged Package Option:

1. Tolerances are +0.005” unless otherwise stated

2. Case temperature is measured on the center of the baseplate surface

3. Mounting holes are not threaded. Recommended fastener is # 4-40 screw

4. Materials: Case (Steel, gold over nickel plated); Cover (Steel, nickel plated); Pin (Copper-cored alloy 52, gold over nickel plated); Pin Seals (Glass)

Pin Function

INH

-VOUT

INCOM

+VOUT

OUTCOM

28VIN

CASE

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SVHF2800D Series

6.0 TECHNICAL NOTES

Please note that many of these

functions are also demonstrated

in detail on the VPT website in the form of technical video labs.

6.1 GENERAL INFORMATION

6.1.1 Topology Description

The SVHF2800D Series is an isolated dual-output flyback converter. It provides a positive and negative output voltage with respect to

the OUTCOM pin. Up to 70% of the total output power is available from either output. The internal voltage regulation loop actively

regulates the positive output using VPT’s proprietary magnetic feedback technology. The negative output is regulated by cross-

regulation of the transformer windings. The negative output is well-regulated for balanced load conditions. For unbalanced load

conditions, refer to the cross regulation performance graphs in Section 4.2 for expected performance. For a balanced or near-balanced

load condition, the converter will regulate down to zero load, and no minimum load is required. For an unbalanced load condition, with

negative loads greater than 10%, a minimum load of 10% is recommended on the positive output.

6.1.2 External Components

The SVHF2800D Series is designed to operate stand-alone in most applications. It does not require any external components for

proper operation or to meet the datasheet specifications. Input and output L-C filters are provided internally for low ripple and noise. To

further reduce output ripple and noise, a small ceramic capacitor, 1 µF to 10 µF, can be added at the output. Most application specific

ripple requirements can be met with the addition of output capacitors alone. External output capacitance can be added up to the

maximum listed in Section 3.2.

6.1.3 Source Impedance

The impedance of the 28 V input source can interact with the DC-DC converter and can affect performance. High source impedance is

often caused by a long input cable or components added in series with the input. Source resistance will cause a DC voltage drop as the

converter draws DC input current. This voltage drop is simply the cable resistance multiplied by the input current at low line. The

voltage drop and the actual voltage at the input to the converter will determine the minimum source voltage at which the converter will

operate. A high source inductance can interact with the feedback control loop of the converter. VPT’s EMI filters will usually isolate the

source and eliminate this problem. In some cases, additional input capacitance will be needed to stabilize the system.

6.1.4 Output Configurations

Since the converter is isolated, the outputs can be used as a traditional dual-output, with a positive and negative voltage referenced to

OUTCOM, or as a single-ended output referenced to –VOUT or +VOUT. For example, the SVHF2812D can provide +12 V and -12 V in

the traditional dual output configuration, or can provide +24 V referenced to –VOUT, or -24 V referenced to +VOUT in single-ended

configuration. In the single-ended configuration, the OUTCOM pin will be at +12 V relative to –VOUT.

The outputs of multiple converters can be stacked in series to provide higher voltages. When outputs of multiple modules are stacked,

they naturally share the load. For example, two SVHF2812D converters can be stacked to provide a 48 V output at 40 W.

6.2 FUNCTION DESCRIPTIONS

28VIN

6.2.1 On/Off Control (Inhibit)

The INH (Inhibit) pin is a primary-side control pin referenced to INCOM. The INH

pin must be driven using an open collector or open drain configuration. Pulling the

INH pin low disables the converter output, removes bias voltage from internal

control circuitry, and puts the converter in a state of minimum input current draw.

Leaving INH open enables the output, allowing the converter to operate normally.

The pin must be pulled below 1.5 V to disable the output. An optional capacitor

from INH to INCOM may be used to delay turn-on. The INH pin should be left open

if not used.

10K

BIAS

INH

OPTIONAL

CAPACITOR

12V

INCOM

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SVHF2800D Series

6.3 PROTECTION FEATURES

6.3.1 Input Undervoltage Lockout

The SVHF2800D Series provides input undervoltage lockout protection. For input voltages below the turn-on voltage, the converter will

remain off, drawing minimal current from the source. When the input voltage exceeds the turn-on voltage, the converter will start. The

lockout circuit is designed to tolerate slow ramping input voltage waveforms. VPT’s proprietary magnetic feedback technology provides

bias voltage to all secondary control circuits and control amplifiers before the output starts, ensuring a well-controlled start up

sequence.

6.3.2 Output Soft Start

The SVHF2800D Series utilizes an output soft-start function to ramp the output in a controlled manner, eliminating output voltage

overshoot and limiting inrush current at turn on. A voltage-mode soft-start ensures the output waveform remains consistent regardless

of changes in the load current. The output rise time is approximately 8 ms. The soft-start function is active whether the module is turned

on with an application of input voltage or from release of the inhibit pin. Under normal conditions, current drawn from the source during

turn on will not exceed the full load input current. The turn-on delay time is specified from the application of input voltage (or release of

the inhibit pin) until the output reaches 90% of its final value.

6.3.3 Output Overcurrent Protection

The SVHF2800D Series provides output overcurrent and output short circuit protection. During a load fault condition, a constant output

current control circuit reduces the converter duty cycle to limit the total output current to approximately 125% its rated value. The

current limit protection circuit limits the sum of output currents in both +Vout and -Vout. It does not distinguish if the current is on the

positive or negative output. The converter will continue to provide constant current into any overload or short circuit condition. This

feature allows the converter to start into any capacitive load. Recovery is automatic and immediate upon removal of the fault condition.

Sustained short circuit or overload operation can cause excessive power dissipation. Care should be taken to control the operating

temperature of the converter in this condition.

6.4 THERMAL CONSIDERATIONS

The SVHF2800D Series is rated for full power operation at 125 °C. Operation above 125 °C is allowed at reduced power. Specifically,

the output power should be derated linearly from full power at 125 °C to half power at 130 °C and to zero power at 135 °C. The

operating temperature of the converter is specified on the baseplate of the converter. The converter is designed to be conduction-

cooled, with the baseplate mounted to a heat sink, chassis, PCB or other thermal surface. The internal power dissipating components

are mounted to the baseplate of the converter and all heat flow is through the baseplate and mounting flanges. The lid of the converter

does not provide a good thermal path.

The hybrid DC-DC converter contains many semiconductor components. The maximum temperature rise from junction to case is

12 °C at full load.

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SVHF2800D Series

6.5 VPT RHA PLAN AND APPROACH

VPT takes a conservative approach to radiation testing to ensure product performance during space travel. VPT’s DLA approved

Radiation Hardness Assurance (RHA) plan documents VPT’s processes and procedures for guaranteeing the performance of VPT

products under various environmental conditions in space, including TID, SEE, and ELDRS.

Documents Available

Details

The radiation environments covered by this overview include: total ionizing dose (TID), which

includes enhanced low dose rate sensitivity (ELDRS); and single event effects (SEE).

DLA approved Radiation Hardness Assurance (RHA) Plan Summary

Worst-Case Analysis Report

Stress Report

Detailed worst-case analysis guarantees circuit performance post radiation and end of life.

Individual component stress analysis and deratings are included as part of the WCA report.

An overview report on the component level RLAT and characterization testing for TID and DD

as well as the hybrid level characterizations for TID and SEE response.

Radiation Test Summary Report

Reliability Report

MTBF report based on MIL-HDBK-217 reliability calculations.

Component temperature rise analysis and measurement results.

Thermal Analysis Report

Test Definition

VPT’s Approach

Total Ionizing Dose (TID). A measure of the energy absorbed in the

semiconductor components from the naturally occurring sources of

radiation (protons, electrons, photons). This results in the slow

degradation of semiconductor performance specifications. TID is tested

by exposing components to gamma radiation from a Cobalt-60 source.

Designed for 30 krad(Si). Sensitive semiconductor components undergo RLAT to 60 krad(Si)

per MIL-STD-883 Method 1019. Converters are characterized to 60 krad(Si).

Enhanced Low Dose Rate Sensitivity (ELDRS): Many linear-bipolar

integrated circuits show enhanced parameter degradation when exposed

at low dose rates close to those seen in a space environment as

compared to the high dose rates (50-300 rad(Si)/s) that components were

traditionally tested at for TID degradation. MIL-STD-883 Method 1019

gives guidance for characterizing components for ELDRS. Components

that exhibit ELDRS are tested for TID at a rate below 0.01 rad(Si)/s.

All bipolar linear ICs are characterized for ELDRS sensitivity and tested in accordance with

MIL-STD-883 test method 1019 section 3.13

Single Event Effects (SEE). Single high energy protons and heavy ions

can deposit sufficient energy in a semiconductor component, causing a

range of effects. SEEs include single event latchups (SELs), single event

gate ruptures (SEGRs), single event transients (SETs), single event

functional interrupts (SEFIs) and single event burnouts (SEBs).

Converters are characterized for catastrophic events (SEL, SEB, SEGR) as well as functional

interrupts (SEFI) under heavy ion exposure to LET = 44 MeV-cm²/mg. Converters are also

characterized for cross section and magnitude of output transients (SET) for at least 3

different LET levels.

Radiation Lot Acceptance Testing (RLAT): Semiconductor wafer lots are

exposed to TID on a sample basis. If the parameter degradation for the

tested samples is within the predetermined acceptance limits, then the lot

can be used in radiation hardened converters.

Sensitive semiconductor components undergo RLAT for TID.

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SVHF2800D Series

7.0 ENVIRONMENTAL SCREENING

100% tested per MIL-STD-883 as referenced to MIL-PRF-38534.

Contact sales for more information concerning additional environmental screening and testing options. VPT Inc. reserves the right to

ship higher screened or SMD products to meet orders for lower screening levels at our sole discretion unless specifically forbidden by

customer contract.

/EM

/H+

(Engineering Model)

Non-QML^1,6

MIL-STD-883 Test

Method, Condition

Test

(Class H + PIND)

(Class K)

Non-Destructive

Bond Pull

TM2023

●

TM2010, TM2017, TM2032

(MIL-STD-750, TM2072,

TM2073)

Internal Visual

●

TM1010, Condition C

-65 °C to 150 °C, Ambient

Temperature

Cycling

●

Constant

Acceleration

TM2001, 3000g, Y1

Direction

●

TM2020, Condition A

25 °C

PIND

●

Pre Burn-In

Electrical

TM1015, 320 hrs.,

125 °C, Case Typ

●

TM1015, 160 hrs.,

125 °C, Case Typ

Burn-In

●

24 hrs., 125 °C, Case Typ

●

MIL-PRF-38534, Group A

Subgroups 1-6

●

-55 °C, 25 °C, 125 °C

Final Electrical

MIL-PRF-38534, Group A

Subgroups 1 and 4

25 °C

TM1014, Fine Leak,

Condition A2

●

Hermeticity

(Seal)

TM1014, Gross Leak,

Condition C

Gross Leak, Dip (1x10^-3)

●

TM2012

●

Radiography

External Visual

TM2009

●

1. Non-QML products may not meet all requirements of MIL-PRF-38534

2. Not required per MIL-PRF-38534. Test performed for additional product quality

assurance

4. 100% R&R testing with all test data included in product shipment

5. Radiographic test Certificate of Compliance and film(s) or data CD included in

product shipment

3. PIND test Certificate of Compliance included in product shipment

6. Engineering models utilize only the screening specified and are not considered

compliant for flight use

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SVHF2800D Series

8.0 STANDARD MICROCIRCUIT DRAWING (SMD) NUMBERS

Standard Microcircuit SVHF2800D Series

Drawing Number Similar Part Number

5962P1121501HXC

5962P1121501HXA

5962P1121501HYC

5962P1121501HYA

5962P1121501KXC

5962P1121501KXA

5962P1121501KYC

5962P1121501KYA

SVHF2805D/H+

SVHF2805D/H+-E

SVHF2805DF/H+

SVHF2805DF/H+-E

SVHF2805D/K

SVHF2805D/K-E

SVHF2805DF/K

SVHF2805DF/K-E

5962P1121502HXC

5962P1121502HXA

5962P1121502HYC

5962P1121502HYA

5962P1121502KXC

5962P1121502KXA

5962P1121502KYC

5962P1121502KYA

SVHF2812D/H+

SVHF2812D/H+-E

SVHF2812DF/H+

SVHF2812DF/H+-E

SVHF2812D/K

SVHF2812D/K-E

SVHF2812DF/K

SVHF2812DF/K-E

5962P1121503HXC

5962P1121503HXA

5962P1121503HYC

5962P1121503HYA

5962P1121503KXC

5962P1121503KXA

5962P1121503KYC

5962P1121503KYA

SVHF2815D/H+

SVHF2815D/H+-E

SVHF2815DF/H+

SVHF2815DF/H+-E

SVHF2815D/K

SVHF2815D/K-E

SVHF2815DF/K

SVHF2815DF/K-E

Do not use the SVHF2800D 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. SMDs can be downloaded from the DLA Land and Maritime (Previously

known as DSCC) website at https://landandmaritimeapps.dla.mil/programs/defaultapps.asp. The SMD number listed above represents

the Federal Stock Class, Device Type, Device Class Designator, Case Outline, Lead Finish and RHA Designator (where applicable).

Please reference the SMD for other screening levels, lead finishes, and radiation levels. All SMD products are marked with a “Q” on the

cover as specified by the QML certification mark requirement of MIL-PRF-38534.

Sales Information

Phone:(425) 353-3010

Fax: (425) 353-4030

SVHF2800D - 5.0

Page 13

E-mail: vptsales@vptpower.com

Web: www.vptpower.com

SVHF2800D Series

9.0 ORDERING INFORMATION

SVHF

XXX

(1)

(2)

(3)

(4)

(5)

(6)

(7)

Product

Series

Nominal Input

Voltage

Output Voltage

Number of

Outputs

Package Option

Screening

Additional

Screening

Code

Code^1,2,3

SVHF

28 28 Volts

05 5 Volts

12 12 Volts

15 15 Volts

Dual

(None)

Non-Flanged

Flanged

/EM Engineering Model

/H+ Class H + PIND

/K Class K

Contact Sales

Contact the VPT 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

Engineering models utilize only the standard screening specified and are not considered compliant for flight use. These models are intended for low volume engineering

characterization only and have no guarantee regarding operation in a radiation environment. The customer must place the following statement on each line item of their

purchase order(s) for /EM units when ordering engineering models:

“(Customer Name) acknowledges that the /EM unit listed in this line item is not permitted for flight use and will be used for Engineering characterization only.”

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 requirements, source inspection, and/or special element evaluation

for space or other higher quality applications.

Sales Information

Phone:(425) 353-3010

Fax: (425) 353-4030

SVHF2800D - 5.0

Page 14

E-mail: vptsales@vptpower.com

Web: www.vptpower.com

SVHF2800D Series

10.0 CONTACT INFORMATION

To request a quotation or place orders please contact your sales representative or the VPT, Inc. Sales Department at:

Phone:

Fax:

(425) 353-3010

(425) 353-4030

E-mail:

vptsales@vptpower.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.

11.0 ADDITIONAL INFORMATION

Visit the VPT website for additional technical resources, including:

Product Catalogs

Application Notes and White Papers

Technical Video Labs

Additional Products For Avionics/Military,

Hi-Rel COTS, and Space Applications

Sales Information

Phone:(425) 353-3010

Fax: (425) 353-4030

SVHF2800D - 5.0

Page 15

E-mail: vptsales@vptpower.com

Web: www.vptpower.com

SVHF2805DFEM [VPT]

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SVHF2805DFH

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SVHF2812SFEM

SVHF2812SFH

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SVHF2815DFEM