rev. page 1 of 3 date 02/2008 DESCRIPTION: DC/DC converter PART NUMBER: VBD20 series features ·20W isolated output ·efficiency to 88% ·2:1 input range ·regulated outputs ·continuous short circuit protection ·Pi input filter model number VBD20-D24-S1R8 VBD20-D24-S2R5 VBD20-D24-S3R3 VBD20-D24-S5 VBD20-D24-S12 VBD20-D24-S15 VBD20-D24-D12 VBD20-D24-D15 VBD20-D48-S1R8 VBD20-D48-S2R5 VBD20-D48-S3R3 VBD20-D48-S5 VBD20-D48-S12 VBD20-D48-S15 VBD20-D48-D12 VBD20-D48-D15 input voltage 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC output voltage 1.8VDC 2.5VDC 3.3VDC 5VDC 12VDC 15VDC ±12VDC ±15VDC 1.8VDC 2.5VDC 3.3VDC 5VDC 12VDC 15VDC ±12VDC ±15VDC output current min. max. 0mA 6000mA 0mA 6000mA 0mA 5000mA 0mA 4000mA 0mA 1670mA 0mA 1330mA 42mA 835mA 33mA 670mA 0mA 6000mA 0mA 6000mA 0mA 5000mA 0mA 4000mA 0mA 1670mA 0mA 1330mA 42mA 835mA 33mA 670mA input current no load full load 30mA 523mA 30mA 718mA 40mA 722mA 60mA 926mA 20mA 938mA 20mA 934mA 20mA 938mA 20mA 941mA 30mA 262mA 30mA 359mA 30mA 386mA 40mA 463mA 15mA 469mA 15mA 467mA 10mA 469mA 10mA 471mA 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 efficiency 86% 87% 89% 90% 89% 87% 89% 89% 86% 87% 89% 90% 89% 89% 89% 89% rev. DESCRIPTION: DC/DC converter PART NUMBER: VBD20 series INPUT input voltage range under voltage lockout 24V 48V 24Vin power up power down 48Vin power power down input filter type positive logic remote on/off control: logic compatibility module ON module OFF 18-36V 36-75V 17V 16V 34V 33V PI type CMOS or open collector TTL >5.5VDC or open circuit <1.2VDC OUTPUT voltage accuracy transient response single 25% step load change ripple & noise 20MHz BW³, temperature coefficient short circuit protection line regulation 1 single / dual output load regulation 2 over voltage protection external trim adj. range ±1.5% max. <500μ sec. 75mV p-p., max ±0.03%/°C max continuous ±0.2% / ±0.5% max ±1.0% max Zener or TVS clamp ±10% GENERAL SPECIFICATIONS efficiency isolation voltage isolation resistance see table 1500VDC min. 10 8 ohms min switching frequency 350KHz, Type operating temperature range -40°C to 85°C EMI/RFI six sided continuous shield derating, Above 71°C linearly to zero power at + 100°C case temperature 100°C max storage temperature range -55°C to +105°C dimensions 2.0x1.0x0.4 inches case material black coated copper with (50.8x25.4x10.2mm) non-conductive base NOTES: 1. Measured from high line to low line 2. Measured from full load to 1/10 load 3. The output noise is measured with 0.1μF ceramic capacitor 4. Suffix “S” to the model number with alternative pin configuration 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 page 2 of 3 date 02/2008 rev. page 3 of 3 date 02/2008 DESCRIPTION: DC/DC converter PART NUMBER: VBD20 series DIMENSIONS (mm) STANDARD PIN CONFIGURATION tolerance: inches mm ALTERNATE PIN CONFIGURATION .xx = ±0.04, .xxx = ±0.010 .xx = ±1.0, .xxx = ±0.25 DERATING CURVE Pin # Single Output Dual Output Function +V Input 2 -V Input -V Input 3 +V Output +V Output 4 Trim Common 5 -V Output 6 +V Input Output Load(%) 80% 60% Natural Convection 40% 20% 100 0% -40 -2 0 0 20 40 60 80 -V Output Remote ON / OFF 71 -40 Function 1 120% 100% (suffix “-S”) 100 Ambient Temperature(˚C) 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382