page 1 of 3 date 01/2008 DESCRIPTION: open frame switching power supply PART NUMBER: VMS-160 series features ·industry standard 2x4” footprint ·18 W/in 3 power density ·universal input: 90~264 V ac ·active PFC ·90% typical efficiency ·12 V auxillary fan output ·full medical and ITE safety approvals MODEL output voltage current max. 1,2 (convection) current max. 1,2 (forced air) ripple & noise 3 (mVp-p max.) initial voltage set-point VMS-160-5 VMS-160-12 VMS-160-24 VMS-160-48 ALL 12 V fan aux. 5 V dc 12 V dc 24 V dc 48 V dc 12 V dc 16 A 8.3 A 4.16 A 2.08 A 0.5 A 20 A 13.3 A 6.66 A 3.33 A 0.5 A 50 mV 120 mV 240 mV 480 mV 500 mV ±1% ±1% ±1% ±1% ±20% notes: 1. total continuous output power will not exceed 160 W forced air (400LFM), 100 W witout fan 2. total continuous output power will not exceed 100 W forced air (400LFM), 80 W witout fan for 5 V model 3. measured at 20MHz, twisted pair with 0.47μF and 22μF parallel capacitors INPUT parameter input frequency input voltage input current inrush current power factor leakage current conditions/description min 47 90 AC input of 100 VAC AC input of 200 VAC no damage at 230 V ac cold start when measured at full rated load and at 115 V ac / 60 Hz and 230 V ac / 50 Hz input source input will be less than 25 Ω compliant to EN61000-3-2 for harmonic currents when measured per IEC 60950-1, paragraph 5.1 test voltage of 120 V ac / 60 Hz nom 100~240 max 63 264 2.5 1.25 units Hz V ac A A 275 μA max units A % 0.98 OUTPUT parameter minimum loading efficiency conditions/description voltage adjust line regulation load regulation ±10 at 90~264 V ac ±1 5, 12, 24, or 48 V outputs ±1 12 V aux. output ±20 25% I max to I max , 0.1A/μs slew rate, ±5% max. deviation, 1 ms recovery 500 0.2 16 transient response start up time rise hold up time at 20%, 50%, and 100% of max. rated load (forced air ratings) min 0 80 nom 90 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 % % % % 20 mS mS mS PART NUMBER: VMS-160 series page 2 of 3 date 01/2008 DESCRIPTION: open frame switching power supply RELIABILITY parameter MTBF conditions/description 235K hours min convection, 300K hours typical with 400 LFM forced air (MIL-HDBK-217E-1, 75% of rated full load, 25°C ambient) PROTECTION CIRCUITS parameter over current output over-voltage short circuit conditions/description 130% max., auto recovery 130% max. the power supply will auto recover with no damage from a short on any output. GENERAL & SAFETY parameter isolation voltage (HI-POT) EMI/EMC safety RoHS warranty conditions/description min nom max units applied for 1 minute. primary to secondary: 4250 V dc primary to earth ground: 2150 V dc EN55022:1998 (CISPR 22 class B conducted), EN61000-3-2: 2000, EN61000-3-3: A1:2001, EN55024 (IEC61000-4-2: 1995, IEC61000-4-3: 1995, IEC61000-4-4: 1995, IEC61000-4-5: 1995, IEC61000-4-6: 1996, IEC61000-4-11: 1994), CSA C 22.2 No. 60950-1/60601-1, UL 60950-1/60601-1, NEMKO EN60950-1/EN60601-1, CE-MARK yes standard warranty length 1 year ENVIRONMENTAL parameter operating temperature storage temperature relative humidity conditions/description derate linearly to 50% load at 70°C non-condensing operating non-condensing non-operating temperature coefficient shock operating (11mS, half sine, for a total of 6 shock inputs) non-operating (2mS, half sine, for a total of 6 shock inputs) vibration operating (10~300Hz, 1 hour per axis, 3 hours total) non-operating (10~500Hz, 1 hour per axis, 3 hours total) min -20 -40 8 nom max 50 80 90 95 0.25 10 140 1 2 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 units °C °C % % mV/°C G G Grms Grms PART NUMBER: VMS-160 series page 3 of 3 date 01/2008 DESCRIPTION: open frame switching power supply MECHANICAL DRAWING 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382