MAX-750 Multiple Output
NON-STOCK ITEM; SPECIAL ORDER ONLY
NOT FOR NEW DESIGNS
FEATURES:
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Over 4 watts/in
3
power density
80% overall efficiency
VMEbus and Multibus II system compatibility
Meets international safety agency requirements
All outputs fully regulated ±1%
High peak current for motor starting
Ac automatic line selection option
SPECIFICATIONS:
INPUT
Ac Input:
90-132 Vac/180-264 Vac, 47 to 63 Hz. User selectable.
See option “A” for automatic line selection. Internally fused for 15 A.
Inrush:
Cold start ac current is less than 90 A at 115 Vac and
30 A at 230 Vac. Limited by thermistor.
Holdup Time:
16 ms minimum after removal of power, at
nominal line, full load.
Efficiency:
80% typical.
Brownout Protection:
Holds regulation to 85 Vac or 170 Vac.
Conducted RFI:
Meets FCC Part 15, Subpart J, Class A;
EN55022 Class B; CISPR 22 Class B.
Cooling:
30 cfm required to achieve full ratings.
Output Isolation:
Isolated from ground 50 Vdc.
OPTIONS:
Option “A”, Ac Auto-Range:
Automatically selects proper ac
line voltage range to enable power operation at either 115 or 230
Vac without user intervention.
Option “P”, Ac Power Fail:
Provides TTL “0” 5 ms before
output voltage goes out of regulation band upon loss of ac power.
VMEbus compatible, provides 48 mA sink current capability. Not
available if option “G” is selected.
AC INPUT
FUNCTION
Input Select
TB1-(L)
TB1-(N)
TB1-(GND)
115 VAC*
Shor t
Line
Neutral
Safety Ground
230 VAC
Open
Line 1
Line 2
Safety Ground
CONNECTOR
0.250 Male Faston
Barrier strip
#6-32 screws 3/8 centers
OUTPUT
Adjustability:
User adjustable ±5% minimum.
Line & Load Reg:
±1% over ac input range and 0 to 100% load
change. Output #1 requires minimum load of 10%.
Ripple & Noise:
Less than 1% p-p or 100 mV, whichever is
greater.
Remote Sense (Output #1):
Compensates for 250 mV total line
drop. Open sense lead protection.
Temperature Coefficient:
0.02% per degree C.
Stability:
0.1% over 8 hours after 30 minutes warm-up.
Transient Response (Output #1):
Output voltage returns to
within 1% in less than 500 µs for a 50% load change. Peak
transient does not exceed 5%.
Overload Protection:
All outputs are protected against overload
and short circuit. Automatic recovery upon removal of fault.
Overvoltage Protection (Output #1):
Protects load against
power supply induced overvoltage. Trip point is factory set so that
output voltage cannot exceed 136% of nominal.
Remote Inhibit:
Contact closure to the negative sense line
drops output power to nominal zero.
Reverse Voltage:
Protected against reverse voltage up to supply
current rating.
ENVIRONMENTAL
Thermal Protection:
Shuts down power supply if overheated.
Automatic recovery.
Temperature Range:
0° to 50°C at full ratings. Derate to half
power at 70°C.
Safety Agencies:
Most models are approved to UL1950; CSA
22.2 #234; IEC 950 and TÜV EN60950, Class 1 SELV., CE 72/23/
EEC/93/68EEC (low voltage directive).
DC OUTPUT
FUNCTION
Output #1
LOCATION
Terminal marked +V
Terminal marked
COM
TB2-3
TB2-4
Output #3
TB2-5
TB2-4
Output #4
(If provided)
TB2-1
TB2-2
Rtn (common)
(+)
(-)
Rtn (common)
NOTES
Main output
Rtn (common)
Output #2
CONNECTOR
Bus bars
#1/4-20 screws
Barrier strip
#6-32 screws
3/8" centers
*Rtn connected to common only if output is polarized in product
STATUS AND CONTROL
FUNCTION
Remote Sense
LOCATION
J1-1 (+S)
J1-2 (-S)
Ac Power Fail or
Dc Power Good*
Inhibit
J1-4(1H)
Shor t to J1-2
J1-3 (PF)
NOTES
Output #1 Sense
Output #1 Sense Rtn
Reference to J1-2
CONNECTOR
AMP MTA type
#640456-4 pin
header (locking)
*Optional function
88
Condor D.C. Power Supplies, Inc., 2311 Statham Parkway, Oxnard, CA 93033
800-235-5929 • 805-486-4565 • FAX 805-487-8911 • www.condorpower.com
stm32/stm8
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