rev.

page

date

DESCRIPTION: DC/DC converter

2 of 3

08/2007

20050

phone

phone 503.612.2300 fax

fax 503.612.2382

PART NUMBER: VSCD25 series

INPUT

input voltage range

24V 18-36V

48V 36-75V

undervoltage lockout

24Vin power up

17V

24Vin power down

16V

48Vin power up

34V

48Vin power down

32V

input filter

PI type

OUTPUT

voltage accuracy

±1% max.

transient response

75-100% step load change

recovery time

<300µ sec.

error band

± 5%Vout nominal

output voltage adjustment range, %Vo

90-110%

ripple and noise, 20MHz BW (measured with 0.1µF MLCC)

1.8V & 2.5V & 3.3V & 5V

20mV RMS, max. 75mV pk-pk, max.

12V & 15V

20mV RMS, max. 100mV pk-pk, max.

temperature coefficient

±0.02% / °C

±0.5 max.

±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

110%-150%

output short circuit protection

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