Series 3656 DC-DC Converters

Series 3656

32.5 - 80 WATT HERMETIC DC-DC CONVERTERS

Features

• Built-in EMI input filter meets MIL-STD-461D/E/F requirements CE101, CE102 and CS101
• Specifically designed for MIL-STD-1275 military vehicle applications
• Ruggedized internal construction; vibe and shock resistant
• Completely self contained hermetically sealed DC-DC Converter
• Rad tolerant design
• SEU Resistant: No optocouplers used
• No external filter caps required
• Fully isolated design with magnetically coupled feedback
• “Inhibit-not” function
• Power on soft start
• 200 kHz operation for low ripple and fast response time
• Short circuit and overvoltage protection
• Capability of external sync for switching frequencies
• Built-in test capability

Specifications

INPUT: 28 VDC nominal

Range: <16 to 50 VDC continuous,

            18 to 50 VDC full power

            Survives 100 V surges and 250 V spikes of MIL-STD-1275D

ISOLATION:

• Input to case: 500 VDC
• Input to output: 500 VDC
• Output to case: 100 VDC

ENVIRONMENT:

• Storage temperature: -55°C to +150°C
• Shock: 50 G's MIL-STD-810 Method 516.5 Proc. III
• Acceleration: 1000 G's
• Vibration: 30 G's MIL-STD-883 Method 2026 Cond. 2H
• Grades M:
• Full Output Power at Tcase = +85°C
• Linearly derates to zero at Tcase = +115°C
• Grades E:
• Full Power Output at Tcase = +125°C
• Linearly derates to zero at Tcase = +135°C

WEIGHT: 160 grams typical