Datasheet

For more information, please visit the product page.
rev.
page
1 of 3
date
08/2007
DESCRIPTION: screw terminal DC/DC converter
PART NUMBER: VSCQ30-T 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
·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
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%
For more information, please visit the product page.
rev.
page
2 of 3
date
08/2007
DESCRIPTION: screw terminal DC/DC converter
PART NUMBER: VSCQ30-T 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
3.0x2.25x0.67 inches
case material
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 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382
For more information, please visit the product page.
rev.
page
3 of 3
date
08/2007
DESCRIPTION: screw terminal DC/DC converter
PART NUMBER: VSCQ30-T series
DIMENSIONS (inches)
28.58 1.125
3.56 0.140
PIN CONNECTIONS
pin
function
on/off control
-Vin
+Vin
Trim
-Vout
+Vout
no pin
1
6.35 0.250
(2 PLCS)
3
4
5
6
7
8
76.20 3.000
EXTERNAL OUTPUT TRIM
16.00 0.630
16.00 0.630
17.02 0.670
+Vout
units: mm(inches)
tolerance:
x.xx ±0.0
x.xx ±0.25
+Vout
TRIM DOWN
TRIM
TRIM
TRIM UP
57.15 2.250
-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
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