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GPFC250 Commercial/GPFM250 Medical
250 Watt Global Performance Switchers
FEATURES:
· 3.6 watts/cu.in. power density
· Compact size (5.0" x 8.0" x 1.75")
· Power factor corrected to IEC 1000-3-2, Class A
· Less than 300 µA leakage
· Conducted EMI exceeds FCC Class B and CISPR 22
Class B (Commercial models) and CISPR 11 Class B
(Medical models)
· Commercial Approved to UL1950, IEC950, EN60950
and CSA 22.2 No. 950
· Medical Approved to UL2601-1, IEC601-1/60601-1
and CSA-C22.2 No. 601.1
· 2-year warranty
SPECIFICATIONS: · marked to LVD
Ac Input
85-264 Vac, 47-63 Hz single phase. EMI/EMC Compliance
Input Current All models include built-in EMI filtering to meet emissions
Maximum input current 3.7 A at 90 Vac, 60 Hz with requirements:
full rated load. Input current harmonic content meets EMI SPECIFICATIONS COMPLIANCE LEVEL
the requirements of IEC1000-3-2 Class A for all Conducted Emissions GPFC250 EN55022 Class B; FCC Class B
load conditions. Conducted Emissions GPFM250 EN55011 Class B; FCC Class B
Static Discharge EN61000-4-2, 6 kV contact, 8 kV air
Hold-upTime RF Field Susceptibility EN61000-4-3, 3 V/meter
25 ms minimum from loss of ac input at full load, nominal Fast Transients/Bursts EN61000-4-4, 2 kV, 5 kHz
line (115 Vac). Surge Susceptibility EN61000-4-5, 1 kV diff., 2 kV com.
Minimum Load: No minimum load required Inrush Current
Output Power Inrush 240 Vac is less than 37 A, averaged over the first
250 W fan cooled, 180 W convection ac half-cycle under cold start conditions. Limiting pro-
Overload Protection vided by internal thermistors.
Fully protected against short circuit and output overload. Fan Output
Short circuit protection is cycling type power limit or An additional 12 Vdc, 250 mA output suitable for power-
foldback type depending on model and output. Recovery ing a dc fan is included in all models.
after fault is automatic. Individual output current limits are Thermal Shutdown
a function of load distribution and degree of overload. Provided as a standard feature. Designed to protect unit
Output Noise from prolonged over temperature.
0.5% rms, 1% pk-pk, 20 MHz Bandwidth, differential Power Fail
mode. Measured with noise probe directly across output TTL or CMOS compatible output goes low (<0.5 V) 8 ms
terminals of the power supply. before output voltage drops more than 4% below nominal
Transient Response voltage upon loss of ac power. The signal is factory set to
Main Output500 ms typical response time for return to trip when input power can no longer sustain the output.
within 0.5% of final value for a 50% load step change, Di/ Temperature Coefficient
Dt< 0.2 A/ms. Maximum voltage deviation is 3.5%. Load 0.03% / °C typical on all outputs.
must not go below stated minimum.
Leakage Current
Remote Sense 70µA under normal conditions (132 Vac @ 60 Hz).
Provided as a standard feature. Capable of compensating Maximum under single fault conditions (254 Vac @ 50
for 0.25 V total of cabling losses in voltage. Hz), 130 µA.
Overvoltage Protection Power Good
Built in on all models. Output voltage decay is dependent TTL/CMOS compatible output goes high more than 100
upon loading. ms after V1 reaches the under voltage threshold and
Voltage Adjustment should assure that sufficient energy is stored in the input
Main output ±5%. section to provide normal power fail/shutdown. The signal
Efficency will fall to a low state (<0.5 V) when V1 goes below 95%
Minimum 80% on 12-48 V units, 75% on 5 & 3.3 V units at of the rated voltage.
full rated load. External Off
Input Protection TTL/CMOS compatible input shuts down power converter.
Internal ac fuses provided on all models. Fuses do not A logic high (>2.7 V with 400 uA source) shuts down the
blow on overload or short circuit--fuses blow only if power converter. A logic low (<0.5 V) or an open circuit
catastrophic failure occurs in the unit. allows the supply to run.
CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
68
GPFC250 Commercial/GPFM250 Medical 250 Watt Single Output
Commercial Medical Voltage Output Output
Model Model Output No. Output Adjustment Maximum (A) Peak (B) OVP Setpoint Total Regulation Notes
GPFC250-3.3 GPFM250-3.3 1 3.3 V ±5% 36 A 50 A 6.2 ± 0.6 V 2% C
GPFC250-5 GPFM250-5 1 5.1 V ±5% 36 A 50 A 6.2 ± 0.6 V 2% C
GPFC250-12 GPFM250-12 1 12 V ±5% 15 A 21 A 14 ± 1.1 V 2% C
GPFC250-15 GPFM250-15 1 15 V ±5% 12 A 16.7 A 18.5 ± 1.5 V 2% C
GPFC250-24 GPFM250-24 1 24 V ±5% 7.5 A 10.5 A 28 ± 2.5 V 2% C
GPFC250-28 GPFM250-28 1 28 V ±5% 6.5 A 9A 34 ± 2.8 V 2% C
GPFC250-48 GPFM250-48 1 48 V ±5% 3.8 A 5.3 A 55 ± 4.0 V 2% C
A. Output rating with unrestricted convection cooling.
B. Output rating with 26cfm airflow.
C. Add "C" suffix for factory installed cover with fan option.
GPFC250/GPFM250 MECHANICAL SPECIFICATIONS
INPUT:
TB1
6-32, 3 PIN TERMINAL BLOCK
PIN 1) AC LINE
PIN 2) AC NEUTRAL
PIN 3) AC GROUND
SIGNALS: J2
AMP P.C.B. HEADER P/N 640456-5
MATING CONNECTOR P/N640440-5
PIN 1) DC GOOD
PIN 2) POWER FAIL
PIN 3) EXT OFF
PIN 4) +SENSE
PIN 5) -SENSE
FAN
AMP P.C.B. HEADER P/N 640456-2
MATING CONNECTOR P/N 640440-2
PIN 1) -
PIN 2) +
OUTPUT:
TB2
6-32, 4 PIN TERMINAL BLOCK 0.375
[9.53mm]CTR
AN OPTIONAL BUS BAR WITH 10-32
SCREWS ON HIGH-CURRENT MODELS
IS AVAILABLE BY ADDING -B TO
MODEL NUMBER
PINS 1-2) +Vout
PINS 3-4) RETURN
16A MAXIMUM RECOMMENDED
CURRENT PER CONNECTOR PIN.
MAX. SCREW PROTRUSION ABOVE
CHASSIS =0.120" [3.05MM].
OPTIONAL: COVER/FAN ASSEMBLY #09-250CF
CAN BE INCLUDED BY ADDING -C TO
MODEL NUMBER CompuMess Elektronik GmbH · Lise-Meitner-Str.1 · 85716 Unterschleissheim
WEIGHT: 2.9 LBS. [1.32 kg] MAX. Tel 089-321501-0 · Fax 089-321501-11 · www.compumess.de · www.netzteile.de
TOLERANCES: X.XX=0.030 [0.76mm]
X.XXX+0.010 [0.25 mm]
Environmental
Operating Non-operating
Specification
Temperature (A) 0 to 50oC -40 to +85oC
Humidity (A) 0 to 95% RH 0 to 95% RH A. Units should be allowed to warm up/operate under non-condensing conditions
before application of power. Derate output current and total output power by 2.5%
Shock (B) 20 gpk 40 gpk per °C above 50°C.
B. Random vibration--10 to 2000Hz, 6dB/octave roll-off from 350 to 2000Hz, 3
Altitude -500 to 10,000 ft -500 to 40,000 ft
orthogonal axes. Tested for 10 min./axis operating and 1 hr./axis non-operating.
Vibration (C) 1.5 grms, 0.003 g2/Hz 5 grms, 0.026 g2/Hz C. Shock testing--half-sinusoidal, 10 ± 3 ms duration, ± direction, 3 orthogonal axes,
total 6 shocks.