Power Supply Model 200

The SCE 200 is a low voltage miniature DC to DC regulated converter which is form/fit/function compatible with Technetics 9548 series of converters while offering better regulation and greater efficiency.

This particular unit was designed for use in the Hawk Missile System.

Topology is single transistor (MOSFET) forward converter operating at 50KHz.  Unit is full military in design and construction.

SPECIFICATIONS

Electrical

Input:

• Voltage  25VDC to 35VDC, 28VDC nominal
• Current  .5 Amp max.

Output:

• Voltage  5.00VDC, adjustable ± 20%
• Current  2 Amps (10W)
• Idle Current  20mA
• Efficiency >70% at 1 Amp load
• Ripple  10mV RMS
• Line Regulation  .1% (± 5mV)
• Load Regulation  .5% (± 10mV) No load to full load
• Switching Frequency  40KHz

Protection Circuits

• Isolation, Input to Output  500VDC
• Short Circuit Protection  Constant current, Isc = 3 Amp
• Reverse Polarity  Inputs protected against reverse polarity to 50 VDC

Environmental  Fully compliant with MIL-E-5400 Class 2

• Operating Temperature  55ºC to + 100ºC
• Vibration  ± 15G, 20 - 2KHz each axis
• Shock  30G, 11msec

Construction:  Machined aluminum, black anodized finish

• Dimensions  2.2" x 4.0" x .80" (less terminals)
• Weight  7.5 oz.
• Terminals  Turret solder type
• Encapsulation  Silicon Potting Compound  GERTV 8112