rev. page 1 of 3 date 08/2007 DESCRIPTION: DC/DC converter PART NUMBER: VAD3 series features ·3W isolated output ·efficiency to 80% ·regulated outputs ·Pi input filter ·low ripple and noise ·24-Pin DIP package ·continuous short circuit protection model number 1, 2, 3 VAD3-D5-S3R3 VAD3-D5-S5 VAD3-D5-S12 VAD3-D5-S15 VAD3-D5-D5 VAD3-D5-D12 VAD3-D5-D15 VAD3-D12-S3R3 VAD3-D12-S5 VAD3-D12-S12 VAD3-D12-S15 VAD3-D12-D5 VAD3-D12-D12 VAD3-D12-D15 VAD3-D24-S3R3 VAD3-D24-S5 VAD3-D24-S12 VAD3-D24-S15 VAD3-D24-D5 VAD3-D24-D12 VAD3-D24-D15 VAD3-D48-S3R3 VAD3-D48-S5 VAD3-D48-S12 VAD3-D48-S15 VAD3-D48-D5 VAD3-D48-D12 VAD3-D48-D15 input voltage 4.5-6.0VDC 4.5-6.0VDC 4.5-6.0VDC 4.5-6.0VDC 4.5-6.0VDC 4.5-6.0VDC 4.5-6.0VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 9-18VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC 36-72VDC output voltage 3.3VDC 5VDC 12VDC 15VDC ±5VDC ±12VDC ±15VDC 3.3VDC 5VDC 12VDC 15VDC ±5VDC ±12VDC ±15VDC 3.3VDC 5VDC 12VDC 15VDC ±5VDC ±12VDC ±15VDC 3.3VDC 5VDC 12VDC 15VDC ±5VDC ±12VDC ±15VDC output current 600mA 600mA 250mA 200mA ±300mA ±125mA ±100mA 600mA 600mA 250mA 200mA ±300mA ±125mA ±100mA 600mA 600mA 250mA 200mA ±300mA ±125mA ±100mA 600mA 600mA 250mA 200mA ±300mA ±125mA ±100mA input current no load full load 15mA 619mA 15 mA 850 mA 15mA 800mA 15mA 800mA 25mA 850mA 25mA 800mA 25mA 800mA 7.5mA 236mA 7.5mA 340mA 7.5mA 320mA 7.5mA 320mA 12mA 340mA 12mA 320mA 12mA 320mA 5mA 113mA 5mA 168mA 5mA 156mA 5mA 156mA 7.5mA 168mA 7.5mA 156mA 7.5mA 156mA 3mA 58mA 2mA 82mA 2mA 78mA 2mA 78mA 3mA 82mA 3mA 80mA 3mA 80mA NOTES: 1. Suffix “HM” for 1.5K Vdc isolation 2. Suffix “H” for 3K Vdc isolation 3. Suffix “-SMT” for SMT case style 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 efficiency 64% 70% 75% 75% 70% 75% 75% 70% 73% 78% 78% 73% 78% 78% 73% 74% 80% 80% 74% 80% 80% 71% 76% 80% 80% 76% 78% 78% rev. DESCRIPTION: DC/DC converter PART NUMBER: VAD3 series INPUT input voltage range 5V 12V 24V 4.5-6V 9-18V 18-36 48V 36-72 Pi type input filter OUTPUT voltage accuracy voltage balance (dual) temperature coefficient ripple and noise, 20MHz BW short circuit protection line regulation single/dual 1 load regulation single 2 dual 3 3.3V / 5V 12V / 15V ±2.0% max. ±1.0% max. ±0.05% / °C max. 100mV p-p max. 1% p-p max. continuous ±0.5% ±0.5% ±1.0% GENERAL SPECIFICATIONS efficiency isolation resistance see table 10 9 Ohms switching frequency 100kHz min. isolation resistance 10 9 Ohms operating temperature range -25°C to +71°C storage temperature -40°C to +100°C case temp. (plastic case) (copper case) 95°C max. 100°C max. cooling free air convection dimensions 1.25x0.8x0.4 inches (31.8x20.3x10.2mm) ISOLATION VOLTAGE 500 VDC min 1.5K VDC min standard models suffix “HM” models 3K VDC min4 suffix “H” models CASE MATERIAL standard models suffix “M” models non-conductive back plastic black coated copper with non-conductive base NOTES: 1. 2. 3. 4. measured from high line to low line measured from full load to 10% load measured from full load to 1/4 load non-conductive black plastic only 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 page 2 of 3 date 08/2007 rev. DESCRIPTION: DC/DC converter PART NUMBER: VAD3 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