pst23 - power system technology and series connection pst23 rev. 04 page 4 of 9 a converter output...

►12, 24, 48, 72, 110Vdc Input voltage ranges ►1 isolated output up to 150W►100*78*23mm Fast On connectors or Molex►Surge and transient protection EN50155►Many output configurations available ►Conduction cooled 100°C baseplate

Safety IEC/EN 60950-1, RoHS lead-free-solder compliant

The PST23 , very compact DC-DC converter in chassis mount format, incorporate input filtering, input and output protections, very robust mechanical mounting and connection,optional conformal coating, required in most of the severe environment for industrial, railways type of applications. The converter provides high reliability thanks to the integration of Vicor Corp. modules, high efficiency, input-to-output isolation, soft start, overtemperature protection, input over/undervoltage lockout. The converters wide range of inputs are protected against surges and transients and EMI filtered. The outputs are countinuously short-circuit proof .The 100°C baseplate operation allows operation in high temperature environment. The output can be configured in many different output voltages from 3V3 to 48Vdc , others possibilties are even possible as semi-standard versions.

PST23 Rev. 04 of 9 www.powersystemtechnology.com

RoHS

Features

Description

PST23Standard product

+Vin

PST23 PLAN 01Schéma Electrique PST23

+IN1

-IN4

PC2

PR3

+OUT5

-OUT7

SC6VI1

XX

+

C3

XX

C6

4,7nFY

C8

4,7nFY

C5

4,7nFY

C7

4,7nFY

C1

330n

F40

0Vdc

x-xVdc Imax xA

+Vin

-Vin

+Vout

-Vout

+

C9

100µ

F 5

0V

VDR1

XX

xxVdc xxA

20/02/12Validation du plan

T.Couleau

T.Couleau

T.Liger

Fait par / Prepared by

Verifie par / Verified by

Date

Date

Plan / draw :

Planche / sheet : Ind / Rev.:

Echelle/ Scale :

Titre :

Title :

Ind / Rev00

Description de la modification / Description of modificationCREATION

Power System TechnologyZA La Paillerie61340 Berd'huis

Tel : 02 33 83 94 94Fax : 02 33 83 94 95

E-mail : [email protected]

Copyright Power System Technology

This document is property of Power System Technology.It may not be copied or show toanyone without prior approvel of on sold company.

communiqué à des tiers sans l'accord écrit d'une personne dûment mandatée par laditeCe document est la propriété de Power System Technology et ne peut être ni reproduit,ni

C

société.

20/02/12

20/02/12

20/02/12

001/1

F1

XXA CMS

C410nF 50V

R1xx 1/8w

R2

xx 1/8w

C10

100nF100VD2

BZX84C8V2R4

220R 1/8w

-Inh

+Inh

13

2P1

PV5H 1K

1

2

3

4

5

6

J5

xx

C2

10nF500V

L1

MP1466SNH 2x3mh 10A

D1

MBRB20200CT

1

2

3

4

5

J6

xx

J1

FAST 6,3mm

J2

FAST 6,3mm

J4

FAST 6,3mm

J5

FAST 6,3mm

SI OPTION "C": J5 = Molex 1032-1061 et J6 Molex 1032-1051. J1, J2, J3, J4 pas câblé.

SI PAS OPTION "C": J5 = Molex 1032-1021, J1, J2, J3, J4 =Cosse "FAST-ON" 6,3mm et J6 non câblé

Options Description

-40°C operation (T)

The thermal grade of the Vicor the DC/DC converters used and other components are changed to comply with low ambient temperature.

Conformal coating (V)

During manufacturing process , when V option is specified, components and pcb are covered with an acrylic coating to address high level of ambiant humidity application.

MOLEX connector (C)

2 MOLEX connector could be put on to remplace the Fast On .(See page 7)


Electrical Input Data

Input

Unit Characteristics Conditions min typ max min typ max min typ max min typ max min typ max

Input surge < 100ms 50 50 100 150 250 V Undervoltage turn-on 8,8 8,9 17,5 17,9 35 35,8 41,7 42,6 64 65,4 V Undervoltage turn-off 8,5 14,8 15,3 29,4 30,5 35,2 36,5 54 56 V Overvoltage turn-off/on 36,3 37,8 39,6 36,3 37,8 39,6 76 79 82,5 111 115 121 154 162 170,9 V Input current Vin min 10 14 7 11 4 4,6 2 4,5 1,6 3 A No-load input power 3 3 3 3 3 W Peak inrush current Vin max 90 A Rise time inrush 10 µs Start-up time ms

110

66 110 154 Operating input voltage

Input 24

18 24 36

12

9 12 36

48 72

V72 11036 48 75 43

Input Fuse

An internal fuse protects against damages in case of a failure. The fuse is not user-accessible. Reverse polarity at the input will cause the fuse to blow .

Model Fuse type Rating Reference

12 / 24V Schurter 15A 3413.0330.22

48V Schurter 10A 3403.0176.24

72V Schurter 5A 3403.0173

110V Schurter 5A 3403.0173

Input Transient Protection / Electromagnetic Compatibility (EMC)

A VDR (Voltage Dependent Resistor) and a common mode input filter form an effective protection against input transients in severe environment like railways with EN50155.

Input Reverse polarity Protection

A diode placed internally across the input will cause the fuse to blow in case of a reverse polarity of input voltage .

Primary Inhibit (Remote On/Off)

The inhibit input disables (logic low, pull down or short circuit between Inh+ and Inh-) or enables (logic high TTL, pull up or open-circuit between Inh+ and -In) the converter. This signal is referenced to the input voltage and will disable/enable all outputs at the same time. In systems consisting of several converters, this feature may be used to sequence the activation of the different converters.

Output Voltage Adjustment

The converter offer adjustment for output voltage though a potentiometer.

Auxiliary Functions


Output data - Input 48, 72Vdc

Electrical Output Data

General conditions :25°C ambiant.

Output data - Input 12Vdc

Unit Characteristics Conditions min typ max min typ max min typ max min typ max min typ max min typ max min typ max Output voltage 3V3 5 12 15 24 28 48 V Power 75 125 150 150 150 150 150 W Trim range Potentiometer 1,5 3,6 2,5 5,5 6 13,2 7,5 16,5 12 26,2 14 30,8 24 51,8 V Overvoltage protection 4,5 6,5 14,9 18,5 29,1 34 58 V Output current 0 15 15 0 15 20 0 8 8,3 0 6 6,7 0 4 4,2 0 3,5 3,6 0 2 2,1 A Output current limit 17,5 21 25 27 9,5 11 7,6 8,7 4,8 5,7 4,1 5 2,4 2,8 A Output noise 20MHz 150 150 180 180 180 180 180 mVpp Efficiency 75 83 87 88 87 87 86 % Load Regulation Vin nom. 0,4 0,4 0,4 0,4 0,4 0,4 0,4 %

28V 48V15V 24V Output 3V3 5V 12V

Unit Characteristics Conditions min typ max min typ max min typ max min typ max min typ max min typ max min typ max Output voltage 3V3 5 12 15 24 28 48 V Power 75 100 150 150 150 150 150 W Trim range Potentiometer 1,5 3,6 2,5 5,5 6 13,2 7,5 16,5 12 26,2 14 30,8 24 51,8 V Overvoltage protection 4,5 6,5 14,9 18,5 29,1 34 58 V Output current 0 15 15 0 15 15 0 12 12,5 0 10 10 0 6 6,25 0 5 5,3 0 3 3,1 A Output current limit 26 31 25 27 14,4 17,5 11,5 13,5 7,1 9 6,1 7,2 3,6 4,2 A Output noise 20MHz 150 150 180 180 180 180 180 mVpp Efficiency 75 83 85 84 83 84 % Load Regulation Vin nom. 0,4 0,4 0,4 0,4 0,4 0,4 0,4 %

Output 3V3 5V 12V 28V 48V15V 24V

Output

Output data - Input 24, 110Vdc

Unit Characteristics Conditions min typ max min typ max min typ max min typ max min typ max min typ max min typ max Output voltage 3V3 5 12 15 24 28 48 V Power 50 50 100 100 100 100 100 W Trim range Potentiometer 1,5 3,6 2,5 5,5 6 13,2 7,5 16,5 12 26,2 14 30,8 24 51,8 V Overvoltage protection 4,5 6,5 14,9 18,5 29,1 34 58 V Output current 0 15 15,4 0 10 10 0 8,3 8,4 0 6 6,7 0 4,2 4,2 0 3,5 3,6 0 2 2,1 A Output current limit 15,5 17,5 20,6 10,2 11,5 13,5 8,5 9,6 11,3 6,8 7,7 9,1 4,3 4,8 5,6 3,6 4,1 5,3 2,1 2,4 3,3 A Output noise 20MHz 150 225 130 160 200 250 200 250 180 225 160 200 125 160 mVpp Efficiency 70,5 71,4 75,5 77 78,5 80 79 81 80 82 79 81 78 80 % Load Regulation Vin nom. 0,4 0,4 0,4 0,4 0,4 0,4 0,4 %

Output 3V3 5V 12V 28V 48V15V 24V

Parallel and Series Connection


A converter output can be connected in series with an output from a separate converter, an external diode across each output is required. The maximum output current of a serial-connected outputs is limited by the output with the lowest current limit.Output voltages above 48V (SELV - Safety Extra Low Voltage) require additional safety measures in order to comply with international safety requirements.Parrallel operation is possible with the addition of external diodes in series with each output.

Redundant Systems Operation

When systems require a very high level of reliability and should work normally in the event of a failure, N+1 redundancy is implemented where N is the number of converter to support power requirement. If one converter fail, the remaining ones still delivers the power to the loads.The external diodes are required with the PST23 to ensure proper N+1 operation .

Hold-up time

The converter provides low hold-up time. If a hold-up time is required (some railways applications for example) , use external input capacitors of adequat size. Formula for additional external input capacitor : C =2*Pout*th*100/(V²-Vi²)/nwhereas :C = external input capacitance [mF]Pout = output power [W]n = efficiency [%]th = hold-up time [ms]Vi = minimum input voltageV = Input voltage level before interruption

Output Current Limitation

The converter output is continously protected against short-circuit by a constant current limitation (no foldback). The short circuit protection is unlimited , the operating area between nominal power and active protection area working in a constant current mode may lead to power above nominal , then over stress of the internal components.

Thermal Considerations

The converter is designed to be mounted on a dissipative area, in conduction cooling mode.The max. operating temperature is the temperature of the base-plate which should not exeed 100°C.Addition of grease or thermal pad between the converter baseplate and the chassis is mandatory .

Thermal protection

A temperature protection is integrated internally, disabling output when heatsink temperature exceed 105°C . The converter automatically restart, when the temperature drops below this limit.

WaveformsTypical values for PST23110-24100

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Inrush current

Output noise

Electromagnetic Immunity


Electromagnetic Emissions

Level according to EN55011, EN55022, EN50155, EN50121-3-2

Standard Level Value Waveform Source imped. Test procedure Mode

Supply surge EN50155 B 1,4 * VIN 0,1 / 1 / 0,1 s 1 Ohm 1 positive surge OPDirect transients EN50155 D 1800V 5 / 50 µs 5 Ohms 5 pos., 5 neg. OPSurges EN 61000-4-5 3 2000V 1,2 / 50 µs 12 ohms OP

Electrical fast transients/burst EN 61000-4-4 4 4000V 5 / 50µs 50 ohms OP

1 / 50µs 330 Ohms 10 pos., 10neg. OPElectrostatic discharge (to case) EN 6100-4-2 4 8000V

Electromagnetic

Immunity to Environmental Conditions

Test method Standard Test conditions Status

50g / 11ms

5g / 30ms

Damp Heat MIL STD 810E Proc. 507-2 Humidity 93 %, 40°C, 56 days Conformal coating option

only, built to meet

Vibrations MIL STD 810E Proc. 514-3 Built to meet

Shock MIL STD 810E Proc.516.3 EN 50155 Built to meet


Mechanical data

Connector Pin Allocation

Ref : J1-J2-J3-J4 :FAST ON Male 6,3*0,5mmRef : J5 : Molex 4 pts male connector SPOX serie

PINJ1 INPUT + Positive input voltage J2 INPUT - Negative input voltage

J3 OUTPUT + Positive output voltage J4 OUTPUT - Negative output voltage

J5-2 +INH Positive inhibitJ5-1 -INH Negative inhibit

Description

Safety and Installations Instructions

Weight: 200g .

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Mechanical data

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Safety and Installations Instructions

Weight: 200g .

Ref : Molex connector male - SPOX series

PINJ5-1-2 -INPUT Negative input voltage J5-3 -INH Negative inhibitJ5-4 +INH Positive inhibit

J5-5-6 +INPUT Positive input voltage

J6-1-2 -Vout Negative output voltage J6-3-4 +Vout Postive output voltage

Description

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Installations Instructions


These converters are components, intended exclusively for integration into other equipment by an industrial assembly process or by a professionnaly competent person. Installation must strictly follow the safety regulations in respect of the enclosure, mounting, creepage and clearance distances, markings of the end-use application.Connection to the system shall be made via the female connector FAST ON.The +Vin is internally fused. This fuse is designed to protect the converter against overcurrent caused by a failure, but may not be able to satisfy all requirements. External fuses in the wiring circuit to one or both input pins may be necessary to ensure compliance with local requirements.Do not open the converters, or the warranty will be invalidated. Make sure that there is sufficient heat dissipation available for conduction cooling. This should be verified by measuring the case of temperature at the specified measuring point, when the converter is operated in the end-use application.

Cleaning Agents and Process

The converters are not hermetically sealed. In order to avoid possible damage, any penetration of liquids shall be avoided.

Railway Application

The converters have been designed observing the railway standards EN 50155 and EN 50121. All boards can be protected by a conformal coating as an option ( -V).

Isolation

The electric strength test is performed in the factory in accordance with IEC/EN 60950.

Standards and Approvals

The converters are built to meet the safety standards IEC 60950-1, EN 60950-1, UL 60950-1 and CSA 60950-1.

Electric Strength

Design strength 1500 3000 500 Vrms

> 100 >100 MohmsInsulation resistance

Characteristic Output to Output

Unit

Electricstrength Factory test for production

units (>10s)2000 2000 500

Vdc

Input to Earth Input to Output

Output to Earth

Temperatures

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Reliability

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Pout max : See Page 3 according to input voltages and output voltages

PST23 Vout Pout Option

N3V3

51215242848

N50

100125150

CTV

V1

C : Molex connectorsT : -40°CV : Conformal coating

Note : Other output voltages available as semi standard product.

Options and configurations

Vin

12244872110

pst23 - power system technology and series connection pst23 rev. 04 page 4 of 9 a converter output...

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