rev. page 1 of 3 date 08/2007 DESCRIPTION: DC/DC converter PART NUMBER: VSCQ30 series features · 20-30W isolated output ·high efficiency to 91% ·fixed 300KHz switching frequency ·4:1 wide input range ·regulated outputs ·continuous short circuit protection ·six-sided metal case ·2”x1.6” size ·industry standard pin-out model number VSCQ30-Q24-S3R3 VSCQ30-Q24-S5 VSCQ30-Q24-S12 VSCQ30-Q24-S15 VSCQ30-Q48-S3R3 VSCQ30-Q48-S5 VSCQ30-Q48-S12 VSCQ30-Q48-S15 input voltage 1 9-36VDC 9-36VDC 9-36VDC 9-36VDC 18-75VDC 18-75VDC 18-75VDC 18-75VDC output voltage 3.3VDC 5VDC 12VDC 15VDC 3.3VDC 5VDC 12VDC 15VDC output current min. max. 0mA 7500mA 0mA 6000mA 0mA 2500mA 0mA 2000mA 0mA 7500mA 0mA 6000mA 0mA 2500mA 0mA 2000mA input current no load full load 50mA 1185mA 60mA 1404mA 80mA 1374mA 50mA 1389mA 30mA 579mA 30mA 694mA 40mA 687mA 50mA 694mA NOTE: 1. nominal input voltage 24, 48 VDC INPUT input voltage range under voltage lockout input filter type positive logic remote on/off control 24V 48V 24Vin 24Vin 48Vin 48Vin power power power power up down up down 9-36V 18-75V 8.8V typ. 8.0V typ. 17V typ. 16V typ. PI type see note 3&4 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 efficiency 87% 89% 91% 90% 89% 90% 91% 90% rev. page 2 of 3 date 08/2007 DESCRIPTION: DC/DC converter PART NUMBER: VSCQ30 series OUTPUT voltage accuracy transient response: 75%-100% step load change error band recovery time external adjustment range, %Vo ripple & noise, 20MHz BW (measured with 0.1uF MLCC) 3.3V & 5V 12V & 15V temperature coefficient short circuit protection line regulation 1 load regulation 2 over voltage protection (Zener or TVS clamp) 3.3V 5V 12V 15V current limit, % nominal output ±1.5% max. ±5% Vout nominal <300μ sec. ±10% 20mV RMS., max 75mV pk-pk, max. 20 mV RMS, max. 100mV p-p, max ±0.02%/°C continuous (hiccup mode) ±0.5% max ±0.5% max 3.9V 6.2V 15V 18V 110% ~ 150% GENERAL SPECIFICATIONS efficiency isolation voltage isolation resistance switching frequency see table 1500VDC min. 10 8 ohms min 24Vin 48Vin 300KHz, typ. 250KHz, typ. operating temperature range -40°C to +85°C derating, above 60°C linearly to zero power at +100°C case temperature 100°C max. cooling natural convection storage temperature -55°C to +125°C thermal shutdown, case temp. 110°C, typ. dimensions 2.0x1.6x0.40 inches case material black coated copper with non-conductive base (50.8x40.6x10.2mm) NOTES: 1. measured from high line to low line 2. measured from full load to 10% load 3. remote on/off control: logic compatibility CMOS or open collector TTL EC-ON >+3.5VDC to 75Vdc or open circuit EC-OFF <1.2VDC 4. suffix “N” to the model number with negative logic remote on/off EC-ON <1.2VDC EC-OFF >+3.5VDC to 75Vdc or open circuit 5. maximum case temperature under any operating condition should not exceed 100°C 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 rev. page 3 of 3 date 08/2007 DESCRIPTION: DC/DC converter PART NUMBER: VSCQ30 series DIMENSIONS-(mm) PIN CONNECTIONS 40.6 12.70 pin 17.78 2.54 1 5.6 7.62 3 4 5 6 7 8 1.02 (TYP) 45.72 function on/off control -Vin +Vin Trim -Vout +Vout no pin 50.8 EXTERNAL OUTPUT TRIM +Vout 10.2 17.78 +Vout TRIM DOWN 5.08 15.24 Bottom View TRIM units: mm tolerance: x.xx ±0.0 x.xx ±0.25 TRIM TRIM UP -Vout -Vout DERATING CURVE Typical Derating curve for Natural Convection 120% LOAD(%) 100% 60 -40 80% 60% Natural Convection 40% 20% 100 0% -40 -20 0 20 40 60 Ambient Temperature(oC) 80 100 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 10K Ohms TRIMPOT