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| rev. page date 1 of 3 08/2007 PART NUMBER: VSCD25 series DESCRIPTION: DC/DC converter features *14.4 to 25W isolated output *efficiency up to 91% *fixed 300KHz switching frequency *regulated outputs *2:1 input range *continuous short circuit protection *six-sided metal case or openframe *2" X 1.6" size *industry standard pin-out model number VSCD25-D24-S1R8 VSCD25-D24-S2R5 VSCD25-D24-S3R3 VSCD25-D24-S5 VSCD25-D24-S12 VSCD25-D24-S15 VSCD25-D48-S1R8 VSCD25-D48-S2R5 VSCD25-D48-S3R3 VSCD25-D48-S5 VSCD25-D48-S12 VSCD25-D48-S15 input voltage 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 18-36VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC 36-75VDC output voltage 1.8VDC 2.5VDC 3.3VDC 5.0VDC 12VDC 15VDC 1.8VDC 2.5VDC 3.3VDC 5.0VDC 12VDC 15VDC output current 8A 8A 6A 5A 2A 1.6A 8A 8A 6A 5A 2A 1.6A input current no load full load 70mA 723mA 70mA 970mA 70mA 940mA 70mA 1170mA 50mA 1136mA 50mA 1136mA 50mA 353mA 50mA 479mA 50mA 465mA 50mA 572mA 30mA 562mA 30mA 562mA efficiency 83% 86% 88% 89% 88% 88% 85% 87% 89% 91% 89% 89% size SC SC SC SC SC SC SC SC SC SC SC SC GENERAL SPECIFICATIONS efficiency isolation voltage isolation resistance switching frequency operating temperature range case temperature storage temperature range thermal shutdown, case temp. dimensions: metal case material: metal case open frame see table 1500VDC max. 10 8 Ohm min. 300KHz, Typ -40C to +85C 100C max. -55C to +125C 100C Typ. 2.00x1.60x0.45 inches 1.95x1.55x0.35 inches black coated copper with non-conductive base 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 rev. page date 2 of 3 08/2007 PART NUMBER: VSCD25 series DESCRIPTION: DC/DC converter INPUT input voltage range undervoltage lockout 24Vin power up 24Vin power down 48Vin power up 48Vin power down 24V 18-36V 48V 36-75V 17V 16V 34V 32V PI type positive logic remote on/off 3,4 input filter OUTPUT voltage accuracy transient response recovery time error band output voltage adjustment range, %Vo ripple and noise, 20MHz BW (measured with 0.1F MLCC) 1.8V & 2.5V & 3.3V & 5V 12V & 15V temperature coefficient output line regulation 1 output load regulation 2 output over voltage protection (Zener diode clamp) 1.8V & 2.5V 3.3V 5V 12V 15V output current limit,% nominal output output short circuit protection 1% max. 75-100% step load change <300 sec. 5%Vout nominal 90-110% 20mV RMS, max. 75mV pk-pk, max. 20mV RMS, max. 100mV pk-pk, max. 0.02% / C 0.5 max. 0.5 max. 3.3V 3.9V 6.2V 15V 18V 110%-150% continuous (hiccup mode) NOTE: 1. measured from high line to low line 2. measured from full load to 10% load 3. logic compatibility (CMOS or open collector TTL, ref. to -Vin -module on >3.5Vdc or open circuit - module off <1.8Vdc 4. suffix "N" to the model number with negative logic remote on/off -module on <1.8Vdc -module off >3.5Vdc or open circuit 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 rev. page date 3 of 3 08/2007 PART NUMBER: VSCD25 series DESCRIPTION: DC/DC converter DIMENSIONS (mm) Open Frame (Suffix "O") 0.70 (17.78) 0.600 (15.24) 0.200 (5.08) Metal Case 1.60 (40.64) 0.70 0.50 (17.78) (12.70) 0.30 0.10 (7.62) (2.54) 0.070 (1.78) 0.040 (1.02) 4 3 1 0.22min. (5.60) 8 1.80 (45.72) 1.95 (49.50) 2.00 (50.80) 7 6 5 0.04 DIA (1.02) 1.80 (45.72) BOTTOM VIEW 4 3 1 0.20 (5.08) 0.45 (11.43) 7 0.100 (2.54) 6 0.300 (7.62) 1.55 (39.40) 5 0.70 (17.78) 0.40 (10.16) 0.14 (3.60) 0.15 (3.80) 0.70 (17.78) 0.60 (15.24) PIN CONNECTION Pin Function All Dimensions In Inches(mm) Tolerances: .XX.04 .XXX.010 1. On/Off Control -V Input 3. +V Input 4. Trim 5. -V Output 6. +V Output 7. No Pin 8. External Output Trim +Vout (7) TRIM DOWN TRIM (5) TRIM UP -Vout (6) -Vout (6) TRIM (5) 10K ohms TRIMPOT +Vout (7) Remote ON/OFF Control ON/OFF (1) HIGH SIGNAL HERE DISABLE OUTPUT -VIN (3) DERATING CURVE 120% 100% -40 71 Output Load(%) 80% 60% 40% 20% 0% -40 -20 0 20 40 60 80 100 Vo=3.3V Others 100 Ambient Temperature(C) 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 |
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