rev.
page
date
1 of 3
08/2007
PART NUMBER:
VSCQ30-T series
DESCRIPTION:
screw terminal DC/DC converter
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
·3”x2.25” size
·industry standard pin-out
model
number
VSCQ30-Q24-S3R3-T
VSCQ30-Q24-S5-T
VSCQ30-Q24-S12-T
VSCQ30-Q24-S15-T
VSCQ30-Q48-S3R3-T
VSCQ30-Q48-S5-T
VSCQ30-Q48-S12-T
VSCQ30-Q48-S15-T
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
0mA
0mA
0mA
0mA
0mA
0mA
6000mA
2500mA
2000mA
7500mA
6000mA
2500mA
2000mA
input current
no load
full load
50mA
1185mA
60mA
80mA
50mA
30mA
30mA
40mA
50mA
1404mA
1374mA
1389mA
579mA
694mA
687mA
694mA
efficiency
87%
89%
91%
90%
89%
90%
91%
90%
NOTE:
1. nominal input voltage 24, 48 VDC
INPUT
input voltage range
under voltage lockout
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
input filter type
positive logic remote on/off control
20050
SW
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382
rev.
page
date
2 of 3
08/2007
PART NUMBER:
VSCQ30-T series
DESCRIPTION:
screw terminal DC/DC converter
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
operating temperature range
derating, above 60°C
case temperature
cooling
storage temperature
thermal shutdown, case temp.
dimensions
case material
24Vin
48Vin
see table
1500VDC min.
10
8
ohms min
300KHz, typ.
250KHz, typ.
-40°C to +85°C
linearly to zero power at +100°C
100°C max.
natural convection
-55°C to +125°C
110°C, typ.
3.0x2.25x0.67 inches
black coated copper with non-conductive base
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
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382