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CUI Inc

│ SERIES: VYC30W │ DESCRIPTION: DC-DC CONVERTER

date

08/29/2012 │ page 2 of 6

INPUT

parameter

conditions/description

min

typ

max

units

operating input voltage

9

18

24

48

36

75

Vdc

Vdc

start-up time

10

ms

under voltage lockout

power up 24 V input

power up 48 V input

power down 24 V input

power down 48 V input

8.0

16.0

9.0

17.8

Vdc

Vdc

Vdc

Vdc

module off

module on (or open circuit)

0

3.5

1.2

12

Vdc

Vdc

filter

PI type

Notes:

1. The on/off pin voltage is referenced to GND

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

single and dual output models, measured from

low line to high line at full load

triple output models (main output), measured

from low line to high line at full load

triple output models (auxiliary outputs), measured

from low line to high line at full load

±0.2

±0.5

±1

±5

%

%

%

load regulation

single and dual output models, measured from

10% to full load at nominal input

triple output models (main output), measured

10% to full load at nominal input

triple output models (auxiliary outputs), measured

10% to full load at nominal input

±0.5

±1

±2

±5

%

%

%

voltage accuracy

single and dual output models, refer to

recommended circuit

triple output models (main output), refer to

recommended circuit

triple output models (auxiliary outputs), refer to

recommended circuit

±1

±2

±5

±3

%

%

%

transient recovery time

25% ~ 50% ~ 25% step load charge

300

500

μs

transient peak deviation

25% rated load change

300

μs

cross regulation

dual output models, main output 50% load,

supplemental output from 10~100% load

triple output models, main output and one

auxiliary output 50% load, another auxiliary

output from 10~100% load

±5

%

adjustability

±10%

Vdc

switching frequency

100% load, input voltage range

400

kHz

temperature coefficient

±0.02

%/°C

PART NUMBER KEY

Input Voltage

Output Voltage

Base Number

Heatsink

"blank" = No

H = Yes

Output

S = single output

D = dual output

T = triple output

For more information, please visit the product page.