JPS250 Series Application Note
JPS250 Series
Application Note
Contents:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Introduction
Safety Agency Approvals
Emission Standards
Input Specifications
Output Specifications
General Specifications
Environmental Specifications
Mechanical Specifications
Control & Supervisory Signals
Characteristic Curves
Part Numbering (Options)
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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JPS250 Series Application Note
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 6: General Specifications
Efficiency .............................................>80% Typical (see characteristic curves)
Power Density ....................................................................................4.9w per in
3
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
JPS250PS05*
JPS250PS12
Eff.%
81.5 - 84.9
82.6 - 85.1
Voltage
Current
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
Maximum
Power
(1)
225 W
250 W
250 W
250 W
250 W
Table 1:
Output
Voltage
5 V
12 V
15 V
24 V
48 V
Output Currents:
with
Convection
18 CFM
Cooled
45.0 A
36.0 A
21.0 A
17.0 A
17.0 A
13.5 A
10.4 A
8.5 A
5.2 A
4.3 A
4.94-4.95
45 A*
11.973-
21 A
11.976
JPS250PS15
83 - 85.5
14.856-
17 A
14.862
JPS250PS24
83 - 87
23.977-
10.4 A
23.977
JPS250PS48
83.6 - 87.4
47.915-
5.2 A
47.904
* 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
Model
JPS250PS05
JPS250PS12
JPS250PS15
JPS250PS24
JPS250PS48
Output Voltages & Currents
* De-Rate 5v output model 10%
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JPS250 Series Application Note
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
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.
3.75”
95.3mm
#6-32 Mounting Hole x 8
Max Penetration of 4mm
TB4 Pin Assignments:
TB4 connections are for Control and
Supervisory Signals. Mating Connector is 70246-10
6.5” (165.1mm)
Mechanical Drawing for JPS250PS05
(requires more terminals for output current)
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JPS250 Series Application Note
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 3
PIN 1
DC OK Signal:
DC OK (HIGH)
PIN 3
PIN 1
DC NOT OK
(LOW)
Remote on/off Controll (Inhibit):
PIN 4
PIN 1
Remote Sense Connection:
Parallel Connection utilizing Optional Current Share
Headquarters: 508-429-9883
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JPS250 Series Application Note
Section 10: Charcteristic Curves – JPS250PS05
Output Ripple:
Remote on/off
Output Turn-On / Off Wave Form:
AC OK / AC FAIL Signal:
Hold-Up Time
FCC Level B Performance:
Over Voltage Protection:
CISPR 22 Class B Performance:
Step Response:
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