rev. page 1 of 3 date 08/2007 DESCRIPTION: DC/DC converter PART NUMBER: VAS3 series features ·3W isolated output ·efficiency to 61% ·regulated outputs ·LC input filter ·low ripple and noise ·24-pin DIP package model number 1 VAS3-S5-S5 VAS3-S5-S12 VAS3-S5-S15 VAS3-S5-D12 VAS3-S5-D15 VAS3-S12-S5 VAS3-S12-S12 VAS3-S12-S15 VAS3-S12-D12 VAS3-S12-D15 VAS3-S24-S5 VAS3-S24-S12 VAS3-S24-S15 VAS3-S24-D12 VAS3-S24-D15 VAS3-S28-S5 VAS3-S28-S12 VAS3-S28-S15 VAS3-S28-D12 VAS3-S28-D15 VAS3-S48-S5 VAS3-S48-S12 VAS3-S48-S15 VAS3-S48-D12 VAS3-S48-D15 input voltage 5 Vdc 5 Vdc 5 Vdc 5 Vdc 5 Vdc 12 Vdc 12 Vdc 12 Vdc 12 Vdc 12 Vdc 24 Vdc 24 Vdc 24 Vdc 24 Vdc 24 Vdc 28 Vdc 28 Vdc 28 Vdc 28 Vdc 28 Vdc 48 Vdc 48 Vdc 48 Vdc 48 Vdc 48 Vdc output voltage 5 Vdc 12 Vdc 15 Vdc ±12 Vdc ±15 Vdc 5 Vdc 12 Vdc 15 Vdc ±12 Vdc ±15 Vdc 5 Vdc 12 Vdc 15 Vdc ±12 Vdc ±15 Vdc 5 Vdc 12 Vdc 15 Vdc ±12 Vdc ±15 Vdc 5 Vdc 12 Vdc 15 Vdc ±12 Vdc ±15 Vdc output current 600 mA 250 mA 200 mA ±125 mA ±100 mA 600 mA 250 mA 200 mA ±125 mA ±100 mA 600 mA 250 mA 200 mA ±125 mA ±100 mA 600 mA 250 mA 200 mA ±125 mA ±100 mA 600 mA 250 mA 200 mA ±125 mA ±100 mA input current no load full load 120 mA 984 mA 120 mA 984 mA 120 mA 984 mA 120 mA 984 mA 120 mA 984 mA 60 mA 410 mA 60 mA 410 mA 60 mA 410 mA 60 mA 410 mA 60 mA 410 mA 40 mA 205 mA 40 mA 205 mA 40 mA 205 mA 40 mA 205 mA 40 mA 205 mA 35 mA 176 mA 35 mA 176 mA 35 mA 176 mA 35 mA 176 mA 35 mA 176 mA 20 mA 102 mA 20 mA 102 mA 20 mA 102 mA 20 mA 102 mA 20 mA 102 mA NOTES: 1. suffix “-SMT” for SMT case style 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 efficiency 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% 61% rev. PART NUMBER: VAS3 series page 2 of 3 date 08/2007 DESCRIPTION: DC/DC converter INPUT input voltage range input filter ±10% LC type OUTPUT voltage accuracy temperature coefficient ripple and noise, 20MHz BW short circuit protection line Regulation 1 single/dual load Regulation 2 single dual ±3.0% max. ±0.02% / °C max. 50mV p-p max. indefinite & current limit ±0.3% ±0.5% ±1.0% GENERAL SPECIFICATIONS efficiency isolation capacitance isolation resistance see table 150 pF typ. 10 9 Ohms switching frequency 80K Hz min. operating temperature range -25°C to +71°C storage temperature range -40°C to +100°C case temperature 100°C max. cooling free air convection dimensions 1.25x0.8x0.4 inches (31.8x20.3x10.2mm) ISOLATION VOLTAGE 500 Vdc min standard models CASE MATERIAL standard models black coated copper with non-conuductive base NOTES: 1. measured from high line to low line 2. measured from full load to 10% load 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 rev. DESCRIPTION: DC/DC converter PART NUMBER: VAS3 series DIMENSIONS (mm) DERATING CURVE 120% 71 -25 100% Output Load(%) 80% 60% Plastic Case Copper Case 40% 20% 95 0% -25 0 25 50 75 100 100 Ambient Temperature(˚C) 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 page 3 of 3 date 08/2007