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 open-
frame
·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
70mA
70mA
50mA
50mA
50mA
50mA
50mA
50mA
30mA
30mA
970mA
940mA
1170mA
1136mA
1136mA
353mA
479mA
465mA
572mA
562mA
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
-40°C to +85°C
100°C max.
-55°C to +125°C
100°C Typ.
2.00x1.60x0.45 inches
1.95x1.55x0.35 inches
black coated copper with non-conductive base
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:
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 0.1µF 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
<300µ 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
112
th
Ave. Tualatin, Oregon
97062
phone
503.612.2300
fax
503.612.2382