rev.
page 2 of 3
date 08/2007
PART NUMBER: VSCD25 series
DESCRIPTION: DC/DC converter
INPUT
input voltage range
24V 18-36V
48V 36-75V
undervoltage lockout
24Vin power up
17V
16V
34V
32V
24Vin power down
48Vin power up
48Vin power down
positive logic remote on/off3,4
input filter
PI type
OUTPUT
voltage accuracy
±1% max.
transient response
recovery time
75-100% step load change
<300µ sec.
error band
± 5%Vout nominal
90-110%
output voltage adjustment range, %Vo
ripple and noise, 20MHz BW (measured with 0.1µF MLCC)
1.8V & 2.5V & 3.3V & 5V
20mV RMS, max. 75mV pk-pk, max.
20mV RMS, max. 100mV pk-pk, max.
±0.02% / °C
12V & 15V
temperature coefficient
output line regulation1
±0.5 max.
output load regulation2
±0.5 max.
output over voltage protection (Zener diode clamp)
1.8V & 2.5V
3.3V
3.3V
3.9V
5V
6.2V
12V
15V
15V
18V
output current limit,% nominal output
output short circuit protection
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
- module off
>3.5Vdc or open circuit
<1.8Vdc
4. suffix “N” to the model number with negative logic remote on/off
-module on
-module off
<1.8Vdc
>3.5Vdc or open circuit
th
20050 SW 112 Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382