cui.com

date 07/26/2016

│ page 2 of 8

CUI Inc

│ SERIES: PCSA1-S │ DESCRIPTION: DC-DC CONVERTER

INPUT

parameter

conditions/description

min

typ

max

units

operating input voltage

5 Vdc input models

12 Vdc input models

24 Vdc input models

4.5

10.8

21.6

5

12

24

5.5

13.2

26.4

Vdc

Vdc

Vdc

surge voltage

for maximum of 100 ms

5 Vdc input models

12 Vdc input models

24 Vdc input models

9

18

30

Vdc

Vdc

Vdc

current

5 Vdc input models

12 Vdc input models

24 Vdc input models

250

105

55

mA

mA

mA

filter

capacitive

input reverse polarity protection no

input fuse

0.5 A time delay fuse for all models (recommended)

Notes:

1. Required to add a 2.2 µF (5 & 12 Vdc input models) or 4.7 µF (24 Vdc input models) ceramic capacitor to the input to reduce input voltage stress.

OUTPUT

parameter

conditions/description

min

typ

max

units

maximum capacitive load

at full load

220

μF

voltage accuracy

±3.0

%

line regulation

1.0% change in input voltage

±1.2

%

load regulation

from 100% to 20% load

±10

%

switching frequency

at nominal Vin, full load

5, 12 Vdc input models

24 Vdc input models

90

80

kHz

kHz

temperature coefficient

±0.05

%/°C

PROTECTIONS

parameter

conditions/description

min

typ

max

units

short circuit protection

momentary

1

s

SAFETY AND COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output for 1 minute

1,000

Vdc

isolation resistance

input to output

1,000

MΩ

isolation capacitance

input to output

10

pF

conducted emissions

EN 55022 Class A & Class B (external circuit

required, see Figure 3)

MTBF

as per MIL-HDBK-217F, full load, GB, 25°C

1,700,000

hours

RoHS

2011/65/EU

ENVIRONMENTAL

parameter

conditions/description

min

typ

max

units

operating temperature

see derating curve

-40

100

°C

storage temperature

-55

125

°C

operating humidity

non-condensing

95

%

For more information, please visit the product page.