JPS250 Series Application Note
Headquarters: 508-429-9883 1
JPS250 Series
Application Note
Contents:
1. Introduction
2. Safety Agency Approvals
3. Emission Standards
4. Input Specifications
5. Output Specifications
6. General Specifications
7. Environmental Specifications
8. Mechanical Specifications
9. Control & Supervisory Signals
10. Characteristic Curves
11. Part Numbering (Options)
12. Warranty Statement
Section 1: Introduction
The JPS250 Series Switching Power Supply is a single output switcher
that utilizes Zero Voltage / Zero Current topology to allow efficient
operation, small size and quite operation. The Supplies offer 250 watt
operation with 18 cfm airflow and 200 watt convection cooled operation.
Features Include:
§ Ideal for 1U High / Low Profile Applications
§ Active Power Factor Correction for EN61000-3-2 Compliance
§ Greater than 80% Efficiencies
§ World-Wide Safety Approvals
§ Class B Emissions
§ Full Featured Control and Status Signals
Section 2: Safety Agency Approvals
UL 1950.....................................................................................................Approved
CSA 22.2 # 234....................................................................................Approved
TUV EN60950............................................................................................Approved
CE Mark............................................................................................................Filed
Section 3: Emission Standards
FCC..................................................................................................20780 Level B
CISPR .........................................................................................EN55022 Class B
EN61000-3-2.....................................................................................................Pass
EN61000-4-2 level 4 (ESD Susceptibility) ..................................................8 kv
EN61000-4-3 level 3 (Radiated Susceptibility) ..................................... 10 V/M
EN61000-4-4 level 3 (EFT / Burst)............................................................±2kv
EN61000-4-5 class 3 (Input Transient Protection).............1 kV line to line
2 kV Line to Ground
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Section 4: Input Specifications
VAC Input Range................................................. Universal Input (85-264 VAC)
Input Frequency..........................................................................................47-63Hz
Turn on/off VAC ...........................................on @ 82 VAC / off @ 80 VAC
Inrush Current ..............................30a @ 115 VAC / 60a @ 230 VAC max
Nominal Input Current ..................... 2.75a @ 115 VAC / 1.4a @ 230 VAC
VDC Input Range ...................................................................... 170 – 370 VDC
Hold-up Time............................................................................... 20ms minimum
Input Protection.............................................................................Single 5A Fuse
Power Factor .................................................................................... 0.9 minimum
Leakage Current.......................................................................................... <700uA
Section 5: Output Specifications
Output Power.......................................................................................... 250 Watts
Minimum Load Required ...................................................................................n/a
Line Regulation .........................................................................±0.5% maximum
Load Regulation ...........................................................................±1% maximum
Set-Point Tolerance.........................................................................................±1%
Adjustment Range via trim pot..................................................................±10%
Ripple & Noise.................................................1% pk-pk maximum (20 mHz)
Transient Response.................................................................4% max deviation,
<500µs recovery with 25% load change
Over Voltage Protection..............................115-140% of nominal, recycle AC
Over Current Protection ......................... 115-140% of nominal, auto recovery
Over Temperature Protection ....................................................................standard
Output Currents:
Model
Maximum
Power(1)
Output
Voltage
with
18 CFM
Convection
Cooled
JPS250PS05 225 W 5 V 45.0 A 36.0 A
JPS250PS12 250 W 12 V 21.0 A 17.0 A
JPS250PS15 250 W 15 V 17.0 A 13.5 A
JPS250PS24 250 W 24 V 10.4 A 8.5 A
JPS250PS48 250 W 48 V 5.2 A 4.3 A
Table 1: Output Voltages & Currents
Section 6: General Specifications
Efficiency .............................................>80% Typical (see characteristic curves)
Power Density ....................................................................................4.9w per in3
MTBF ......................................................... >200,000 Hours per MILHDBK 217F
Withstand Voltage .....................................................3000 VAC Input to Output
1500 VAC Input to Ground
500 VAC Output to Ground
Model Eff.% Voltage Current
JPS250PS05* 81.5 - 84.9 4.94-4.95 45 A*
JPS250PS12 82.6 - 85.1 11.973-
11.976
21 A
JPS250PS15 83 - 85.5 14.856-
14.862
17 A
JPS250PS24 83 - 87 23.977-
23.977
10.4 A
JPS250PS48 83.6 - 87.4 47.915-
47.904
5.2 A
* 225 Watts Maximum Power for 5v output model
Section 5: Environmental Specifications
Operating Temperature.................................................................................0-50°C
De-Rating...........................................................See De-Rating Curves (Table 3)
Cooling ..................................................................... 18cfm for 250 W operation
..........................................................................Convection for 200 W Operation
Storage Temperature ......................................................................... -20 / +85°C
Temperature Coefficient..................................................................±0.05% / °C
Humidity (non-condensing)......................................................................... 5-95%
Altitude .................................... 10,000 Feet Maximum for 250 Watt Operation
* De-Rate 5v output model 10%
JPS250 Series Application Note
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Section 6: Mechanical Specification
Description ...........................................................................U-Frame Construction
Size ...............................................8 x 4.2 x 1.5” (203.2 x 106.7 x 38.1mm)
Weight................................................................................................................900g
Mechanical Drawing for all models other than JPS250PS05
#6-32 Mounting Hole x 8
Max Penetration of 4mm
6.5
”
(165.1mm)
3.75”
95.3mm
Mechanical Drawing for JPS250PS05
(requires more terminals for output current)
TB2 PIN Assignments: TB2 terminal block connections are for the
output Voltage and current and are defined as follows:
TB3 PIN Assignments: TB3 connection is for 12v @ 300ma fan
output (not available on the JPS250PS05). Pin 1 is +12v, Pin 2 is
Return. Mating Connector is Molex 5045-02A or equivalent.
TB4 Pin Assignments: TB4 connections are for Control and
Supervisory Signals. Mating Connector is 70246-10
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Section 7: Control & Supervisory Signals
AC OK................................. TTL compatible, signal is High (5 V) = DC OK
DC OK................................. TTL compatible, signal is High (5 V) = DC OK
Remote on/off............................Inhibit / TTL Low = ON, TTL High = OFF
Remote Sense...........................................Compensates for up to 500mv drop
Current Share (optional) ................................................................10% Accuracy
AC OK Signal:
PIN
1
DC OK Signal:
PIN 3
PIN
1
DC OK
(HIGH)
DC
NOT
(LOW)
Remote on/off Controll (Inhibit):
PIN 4
PIN 1
Remote Sense Connection:
Parallel Connection utilizing Optional Current Share
JPS250 Series Application Note
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Section 10: Charcteristic Curves – JPS250PS05
Output Ripple:
Output Turn-On / Off Wave Form:
Hold-Up Time
Over Voltage Protection:
Step Response:
Remote on/off
AC OK / AC FAIL Signal:
FCC Level B Performance:
CISPR 22 Class B Performance:
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Section 10: Charcteristic Curves – JPS250PS12
Output Ripple:
Output Turn-On/Off Wave Form:
Hold-Up Time
Over Voltage Protection:
Step Response:
Remote on/off
AC OK / AC FAIL Signal:
FCC Level B Performance:
CISPR 22 Class B Performance:
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Section 10: Charcteristic Curves – JPS250PS15
Output Ripple:
Output Turn-On/Off Wave Form:
Hold-Up Time
Over Voltage Protection:
Step Response:
Remote on/off
AC OK / AC FAIL Signal:
FCC Level B Performance:
CISPR 22 Class B Performance:
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Section 10: Charcteristic Curves – JPS250PS24
Output Ripple:
Output Turn-On/Off Wave Form:
Hold-Up Time
Over Voltage Protection:
Step Response:
Remote on/off
AC OK / AC FAIL Signal:
FCC Level B Performance:
CISPR 22 Class B Performance:
JPS250 Series Application Note
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Section 10: Charcteristic Curves – JPS250PS48
Output Ripple:
Output Turn-On/Off Wave Form:
Hold-Up Time
Over Voltage Protection:
Step Response:
Remote on/off
AC OK / AC FAIL Signal:
FCC Level B Performance:
CISPR 22 Class B Performance:
JPS250 Series Application Note
Headquarters: 508-429-9883 10
Section 11: Part Numbering & Options
JPS250PS 12 C
Series Name Output Voltage
Optional Current Share
All Models come standard with the current share option. Orders for
supplies without current share are built to order.
Section 12: Warranty Statement
XPIQ INC. continually strives to build the highest quality power supplies
available. XPIQ INC. offers this limited warranty in the event a defect occurs
with a XPIQ INC. power supply.
This limited warranty covers switching power supplies and DC/DC converters
purchased from XPIQ INC. for a period of 12 months from the date of delivery.
XPIQ INC. guarantees that power supplies shall be free of manufacturer's defects.
The warranty is applicable to the original purchaser only and is nontransferable.
This warranty will be void if any original parts have been changed or any
attempt to repair a nonworking power supply has been made by anyone other
than authorized XPIQ INC. personnel. This warranty is void if the power supply
was used in a manner other than the specified operations range or was used in
an application not intended for the power supply. This warranty is void if the
power supply is altered or modified.
If a defect occurs during the warranty period, the unit(s) must be returned in
accordance with the attached return policy. A copy of the original invoice or
other proof of purchase must accompany the returned unit(s). XPIQ INC.
reserves the right to repair or replace, at our option, any defective power supply
within the warranty period. XPiQ Inc. is under no obligation to repair or replace
power supplies that have components blown out by use of excessive loads or
input conditions beyond the stated range of the power supply specification.
Except as specifically stated in this warranty, or in the written sales agreement
between XPIQ INC. and its client, there are no other warranties, expressed or
implied, but not limited to, of merchantability or fitness for a particular purpose.
In no event shall XPIQ INC. be liable for loss of profit or benefits, indirect,
special, consequential or other similar damages, arising out of any breach of
warranty or otherwise.