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CUI Inc

│ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER

date 07/07/2021

│ page 2 of 7

INPUT

parameter

conditions/description

min

typ

max

units

operating input voltage

3.3 Vdc input models

5 Vdc input models

12 Vdc input models

15 Vdc input models

24 Vdc input models

2.97

4.5

10.8

13.5

21.6

3.3

5

12

15

24

3.63

5.5

13.2

16.5

26.4

Vdc

Vdc

Vdc

Vdc

Vdc

surge voltage

for maximum of 1 second

3.3 Vdc input models

5 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

5

9

18

21

30

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

measure from 10% load to full load

3.3 Vdc input models

5 Vdc input models

12 Vdc input models

15 Vdc input models

24 Vdc input models

18

12

8

7

6

%

%

%

%

%

voltage accuracy

see tolerance envelope curve

voltage balance

dual output, balanced loads

±0.5

±1

%

switching frequency

at full load, nominal input voltage

100

kHz

temperature coefficient

at full load

±0.03

%/°C

PART NUMBER KEY

Input Voltage

Output Voltage

Packaging Style

Base Number

Output

S = single

D = dual

SIP

MODEL

(CONTINUED)

input

voltage

output

voltage

output

current

output

power

ripple

efficiency

typ

(Vdc)

range

(Vdc)

(Vdc)

min

(mA)

max

(mA)

max

(W)

typ

(mVp-p)

typ

(%)

24

21.6~26.4

12

9

83

1

60

81

24

21.6~26.4

15

7

67

1

60

81

24

21.6~26.4

24

5

42

1

60

81

PEM1-S24-D3-S

24

21.6~26.4

±3.3

±15

±152

1

60

73

24

21.6~26.4

±5

±10

±100

1

60

80

24

21.6~26.4

±12

±5

±42

1

60

81

24

21.6~26.4

±15

±4

±33

1

60

79

24

21.6~26.4

±24

±2

±21

1

60

80

Notes:

1. UL approved

2. Ripple and noise are measured at 20 MHz BW by “parallel cable” method with 1 μF ceramic and 10 μF electrolytic capacitors on the output.

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