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CUI Inc

│ SERIES: PDM1-S │ DESCRIPTION: DC-DC CONVERTER

date 07/01/2021

│ page 3 of 7

INPUT

parameter

conditions/description

min

typ

max

units

operating input voltage

3.3 Vdc input models

5 Vdc input models

9 Vdc input models

12 Vdc input models

15 Vdc input models

24 Vdc input models

2.97

4.5

8.1

10.8

13.5

21.6

3.3

5

9

12

15

24

3.63

5.5

9.9

13.2

16.5

26.4

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

surge voltage

for maximum of 1 second

3.3 Vdc input models

5 Vdc input models

9 Vdc input models

12 Vdc input models

15 Vdc input models

24 Vdc input models

-0.7

-0.7

-0.7

-0.7

-0.7

-0.7

5

9

12

18

21

30

Vdc

Vdc

Vdc

Vdc

Vdc

Vdc

filter

capacitance filter

OUTPUT

parameter

conditions/description

min

typ

max

units

line regulation

for Vin change of 1%

3.3 Vdc output models

all other models

±1.5

±1.2

%

%

load regulation

measured from 10% load to full load

3.3 Vdc output models

5 Vdc output models

9 Vdc output models

12 Vdc output models

15 Vdc output models

24 Vdc output models

18

12

9

8

7

6

%

%

%

%

%

%

voltage accuracy

see tolerance envelope curve

switching frequency

100% load, nominal input voltage

100

kHz

temperature coefficient

100% load

±0.03

%/°C

PROTECTIONS

parameter

conditions/description

min

typ

max

units

3.3 Vdc input single output models, 24 Vdc input

single/dual output models, PDM1-S5-S24-S,

PDM1-S5-D24-S, PDM1-S3-D15-S

all other models: continuous, auto recovery

1

s

Notes:

1. The supply voltage must be discontinued at the end of the short circuit duration

SAFETY AND COMPLIANCE

parameter

conditions/description

min

typ

max

units

isolation voltage

input to output, for 1 minute at 1 mA max.

1,500

Vdc

isolation resistance

input to output at 500 Vdc

1,000

MΩ

isolation capacitance

input to output at 100Khz/0.1V

20

pF

certified to 62368-1: EN

certified to 60950-1: UL

conducted emissions

CISPR32/EN55032 class B (external circuit required, see Figure 1)

radiated emissions

CISPR32/EN55032 class B (external circuit required, see Figure 1)

ESD

IEC/EN61000-4-2, class B, contact ± 8kV for single outputs

IEC/EN61000-4-2, class B, contact ± 6kV for dual outputs

MTBF

as per MIL-HDBK-217F at 25°C

3,500,000

hours

RoHS

yes

Notes:

2. See specific models noted on pages 1 and 2

Additional Resources: Product Page | 3D Model | PCB Footprint