CB75T 75 Watts Output Power

Transcription

1 CB7T triple-output DC/DC converters 6 4Vin, 3.3 Vout, 7 watts CB7T 7 Watts Power TRIPLE OUTPUT How to Order: CB 7 T M / / 2 - C-D Series Total Power Triple Unscreened (I) or Screened (M) Main Auxiliary INPUT CHARACTERIS CTERISTICSTICS Brown Out (7 of FL) No Load Power Dissipation Input Inrush Charge Reflective Ripple Current Input Ripple Rejection(2Hz) Input Ripple Rejection(8Hz) Logic Disable Current (Sink) Logic Disable (TTL) Logic Disable Power In Sync Sync Input Frequency Sync Input Duty Cycle Efficiency up to: See Page EMI: conform to Mil-Std-46D (on the input leads) with companion filter (CBF7) Input Transient: conform to Mil-Std-74E for transients up to for. second OUTPUT CHARACTERIS CTERISTICSTICS Set Point Accuracy (FL) Load Regulation Line Regulation Ripple P-P ( MHz) Trim Range Remote Sense Compensation Overvoltage Protection Transient Response (Vout ) Time/Overshoot 2-8 Load Low Line - High Line - Load Temperature Drift Long Term Drift Current Limit Short Circuit Current Load Capacitance Turn On Time Logic Turn On Time Status OK (TTL) Status FAIL (TTL) Options: B - pins out bottom of unit C - pins out top of unit D - through hole inserts (. DIA) (Standard threaded) I - M2. inserts W mc db db µa mw Vp-p khz Main FEATURES. Inch Profile Remote Turn On / Status (TTL) Sync Input Fixed Frequency (KHz) Conversion Overvoltage Protection Overcurrent Protection Over Temperature Protection Trim Pin High Temperature Burn-In No Minimum Load Requirement Environmental Screening (M Models) SELECTION CHART Main Current or mv, whichever is greater. 2.2 or mv, whichever is greater. 3 or mv, whichever is greater. 4 or 2mV, whichever is greater. Unbalanced loads, to load. 6 Balanced loads, to load. 7 See Application Notes /3 3/ 2/ Auxiliary Current ±2 ± ±2 ± Model Number CB7TI/3.3/2-C CB7TI/3.3/-C CB7TI//2-C CB7TI//-C The above model numbers are for the Industrial grade power supplies. For the Military grade power supplies replace the I with M. STABILITY 6 db db -6 db / 4 / 4 / Phase Gain Hz Hz khz KHz KHz FREQUENCY Auxiliary s / / 3/4 2/ /. 6.2 / / / µs/ µs/ µs/ / /KHrs Iout Iout µf ms ms For additional information, call or Orders-EP@eaton.com

2 Industrial & military grade high density DC to DC converters TEMPERATURE TURE CHARACTERISTICS ISOLATION CHARACTERISTICS Operating (Baseplate) Storage (Ambient) Thermal Resistance (Case - Ambient) Overtemperature Shutdown /W Isolation: Input to to Case Input to Case Insulation Resistance (@ ) 2 2 MOhm ENVIRONMENTAL SCREENING - M MODEL Stabilization Bake: +2 for 24 hours similiar to Mil-Std-883, M8.2, Condition B Temperature Cycling: cycles at - to +2 (transition / minute) similiar to Mil-Std-883, M, Condition B Burn in: 6 8 min. with Vin=28 and output at full load Final Testing ENVIRONMENTAL SCREENING - I MODEL Burn in: 6 8 min. with Vin=28 and output at full load Final Testing See Guide to Operation for full details MECHANICAL CHARACTERISTICS Weight 6.43 oz. grams Size 2. x 2.7 x. inch.8 x 69.8 x 2.7 mm Volume Material Mounting Pin Baseplate Case Finish (Case) Standard I Option D Option inch 3 cm 3 Brass (Solder Plating) Aluminum 2-H32 28 GA Steel (Cold Rolled) Nickel Plating 4-4 inserts provided in baseplate M2. metric inserts. DIA thru holes CASE DRAWINGS - C Option Input Pins.4/.2 DIA ±./.3 places.8/ UNC THRU 4 PLACES 2.7/69.9 Inch /mm 2./.8.8/ /. DIA ±./.3 PIN 8 AND 2 Ouput Pins./ /3.48.9/ IN SYNC TTL + IN MAIN RTN -SENSE TRIM +SENSE +MAIN OUT -AUX OUT AUX COM +AUX OUT./ / /3.2.7/27.3.9/ /8.42.7/4.6.42/.8./3.8./3.8.4/.2 ±.3/.8 ALL OTHER PINS./ / C Option marking surface.38/9.7±.3/.8 PIN 8 AND 2./2.7.4/. base plate -B Option./2.7 MIN. Tolerances: inches - x.xx x.xxx = ±.3 = ±. mm - x.x x.xx = ±.8 = ±.4 >> 2

3 Performance characteristics I. vs. Power 9 II. Efficiency vs. Power 9 III. Efficiency vs. (FL) 8 8 V/±V V/±V Power 6 4 All 3 channels at same Load Efficiency V/±2V Vin=28 All 3 channels at same Load Efficiency 8 3.3V/±2V All 3 channels at same Load ~ 4 (V) Load (V) IV. Ripple V-i. Load Transient Response (Vout) V-ii. Load Transient Response (Vout) 2 mv/div mv/div Vin=28, Vout=, + mv/div 2 A/div Current Vin=28, Vout=, Iout= A step mv/div. A/div Current Vin=28, Vout=, Iout= A step Time:. μs/div Time: ms/div Time: ms/div VI-i. Line Transient Response (Vout) VI-ii. Line Transient Response (Vout) VII. Inrush Current mv/div 2 V/div Vin= , Vout= 2 mv/div 2 V/div Vin= , Vout= 2 A/div V/div Vin=28, Full Load Input Current Time: μs/div VIII. Input Ripple Current Vin=28, Full Load Time: μs/div IX-i. TTL Turn On (Vout) TTL Input Time: 2 μs/div IX-ii. TTL Turn On (Vout) TTL Input 2 ma/div 2 V/div 2 V/div Vin=28, Vout=, Full Load V/div 2 V/div Vin=28, Vout=, Full Load Time: μs/div Time: 2. ms/div Time: 2. ms/div 3

4 Performance characteristics X-i. TTL Turn Off (Vout) X-ii TTL Turn Off (Vout) XI-i. Input Turn On (Vout) 2 V/div 2 V/div Vin=28, Vout=, Full Load TTL Signal V/div 2 V/div Vin=28, Vout=, Full Load TTL Signal 2 V/div V/div Vin=28, Vout=, Time: 2 μs/div Time: 2 μs/div Time: 2. ms/div XI-ii. Input Turn On (Vout) XII-i. Turn Off /Hold-up Time (Vout) XII-ii. Turn Off /Hold-up Time (Vout) V/div V/div 2 V/div V/div V/div V/div Time: 2. ms/div Time: 2 μs/div Time: 2 μs/div 4

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