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COMPACT HIGH OUTPUT
SWITCH MODE POWER SUPPLY
FEATURES
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Compact Size
Efficient Switch Mode Design
High Output Power (240 Watts)
Specifically Designed to Power
Motor Drivers
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Short Circuit and Thermal
Protection
Wide Input Voltage Range
(–15%, +10%)
120 VAC and 240 VAC Versions
(50/60Hz)
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Power and Fault LEDs
Short Circuit and Over Voltage
Temperature Protection
DESCRIPTION
MECHANICAL SPECIFICATIONS
Dimensions in Inches (mm)
The ISP300 switch mode power sup-
ply has been designed specifically for
supplying power to the inductive loads
found in stepping and DC motors. Con-
ventional switching power supplies are
designed for the constant, unvarying
loads of circuit boards and are not tol-
erant of the current surges produced
by rapid changes in power demand and
the inductance of motor coils.
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This supply is capable of delivering
6 Amps (-4), 4 Amps (-7) of peak
current and has the ability to absorb
inductive current surges associated
with stepping and DC motors. This
produces more even output power
which enables motors to operate at
higher performance levels.
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The ISP300 is well protected with de-
signed-in short circuit and over voltage
temperature protection circuits. The
protection circuits, along with LEDs for
fault and power, are provided to aid in
troubleshooting.
ELECTRICAL SPECIFICATIONS
ISP300-4
AC Input Voltage, 120 VAC Version ... 102–132 VAC
240 VAC Version .... 204–264 VAC
ISP300-7
102–132 VAC
204–264 VAC
50/60 Hz
68 VDC @ 0 Amps
63 VDC @ 2 Amp
59 VDC @ 4 Amps
Input Frequency............................... 50/60 Hz
The lightweight, compact packaging of
the ISP300 permits easy integration of
the power supply into OEM equipment.
No Load Output Voltage*.................. 42 VDC @ 0 Amps
Continuous Output Rating*................ 39 VDC @ 3 Amps
Peak Output Rating* ........................ 37 VDC @ 6 Amps
*Measurements taken @ 25º C, 120 VAC, 60 Hz
THERMAL SPECIFICATIONS
OPTIONS
Operating Temperature......... 0 to 50° C
Storage Temperature ......–40 to 125° C
Max Heat Sink Temperature.........70° C
ISP300H (-4 or -7)............................................................240 VAC Input
U3-CLP ................................................................ Side Mounting Clip Set
REV101805
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