military dc - dc converters series lfaxxda dual new version aluminum package isolated regulated 6 0 watts each channel, wide input range/18 - 36 vdc fully regulated, short circuit protected parallel operation available features: typical characteristics: frequency: 100 khtz ? dual isolated outputs base plate: max. +85o c ? short circuit protection operating temperature: see ? input voltage protection thermal chart: - 40o c to +85o c ? thermal, over temp. shutdown base plate, - 55o c to +85o c base ? line regulation plate. ? load regulation test conditions: 25o c ambient ? no external components required isolation base input: 2121 vdc ? hi density, hi efficiency design isolation input output: 4242 vdc ? remote shutdown isolation output to base: 1000 ? trim capabilities vdc ? fixed frequency - 100 khtz storage temperature: - 55o c to +105o c series lfa: - 40oc to +85oc operating temperature surge -- meets mil std 704 vibration -- meets mil std 202 method 204 cond. d humidity -- meets mil std 202 method 106 shock -- meets mil std 202 method 213 cond. i altitude -- meets mil std 202 method 105 cond. d selected mil std 883 options also available stabilization bake -- mil std 883 method 1008 24 hrs ta=125o c burn in -- mil std 883 method 1015 160 hrs at 90o c, cas e temperature cycle -- mil std 883 method 1010 cond. b the pico lfaxxda series of high power dc - dc converters, allow a wide input voltage of 18 - 36 vdc, while maintaining a regulated output. they are fully safeguarded for over voltage, over temperature an d continuous short circuit protection. the availability of dual isolated outputs, small size, and the capability of parallel operations as standard features should reduce your design and
component costs, while the fixed frequency operation helps parallel connections for higher power requirements. this high density unit is assembled in full aluminum package in the usa with pico quality and component selection, allowing it to meet the most stringent military requirements.
pin no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 -output1 series lp/lf/lm dual note: the recommended torque for mounting screws is 6 to 9 in-lbs. trim 2 trim up 2 +output 2 typical weight: 110 grams dimensions in inches series lfaxxda dual, isolated output new version mil std aluminium package mechanical configurations typcial weight: 110 grams; dimensions in inches trim down 1 trim 1 trim up 1 +output 1 -output 2 trim down 2 dual +input shut down 2 shut down 1 -input
% resistance trim trim up 9.5m 4.8m 3.2m 2m trim down 500k 250k 160k 93k pico electronics, inc. call toll free: 8000-431-1064 143 sparks ave. pelham, ny 10803-1837 tel: 914-738-1400 or fax: 914-738-8225 *these units are typical resistance values, as each individual unit will vary slightly.? use of trim pot to determine resistance value is recommended.? use 1/2 watt minimum power rating resistor. for immediate engineering assistance or to place an order: *typical resistance range for trim up and trim down 1 2 3 5
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