Document
Additional Resources: Product Page | 3D Model | PCB Footprint
SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
FEATURES
• 1 W isolated output • smaller package • single/dual unregulated output • 3,000 Vdc isolation • short circuit protection • extended temperature range (-40~105°C) • antistatic protection up to 8kV • high efficiency at light load • efficiency up to 81% • EN 62368-1
date 01/18/2021 page 1 of 7
MODEL
typ (Vdc)
input voltage
range (Vdc)
output voltage
(Vdc)
output
current
min (mA)
max (mA)
output power
max (W)
ripple and noise2
typ (mVp-p)
PEM1-S3-S3-S
3.3
2.97~3.63
3.3
30
303
1
60
PEM1-S3-S5-S
3.3
2.97~3.63
5
20
200
1
60
PEM1-S5-S3-S
5
4.5~5.5
3.3
30
303
1
60
PEM1-S5-S5-S1
5
4.5~5.5
5
20
200
1
60
PEM1-S5-S12-S1
5
4.5~5.5
12
9
83
1
60
PEM1-S5-S15-S1
5
4.5~5.5
15
7
67
1
60
PEM1-S5-S24-S1
5
4.5~5.5
24
5
42
1
60
PEM1-S5-D3-S
5
4.5~5.5
±3.3
±15
±152
1
60
PEM1-S5-D5-S1
5
4.5~5.5
±5
±10
±100
1
60
PEM1-S5-D12-S1
5
4.5~5.5
±12
±5
±42
1
60
PEM1-S5-D15-S1
5
4.5~5.5
±15
±4
±33
1
60
PEM1-S5-D24-S1
5
4.5~5.5
±24
±2
±21
1
60
PEM1-S12-S3-S
12
10.8~13.2
3.3
30
303
1
60
PEM1-S12-S5-S1
12
10.8~13.2
5
20
200
1
60
PEM1-S12-S12-S1
12
10.8~13.2
12
9
83
1
60
PEM1-S12-S15-S1
12
10.8~13.2
15
7
67
1
60
PEM1-S12-D3-S
12
10.8~13.2
±3.3
±15
±152
1
60
PEM1-S12-D5-S1
12
10.8~13.2
±5
±10
±100
1
60
PEM1-S12-D12-S1
12
10.8~13.2
±12
±5
±42
1
60
PEM1-S12-D15-S1
12
10.8~13.2
±15
±4
±33
1
60
PEM1-S15-S5-S
15
13.5~16.5
5
20
200
1
60
PEM1-S15-S12-S
15
13.5~16.5
12
9
83
1
60
PEM1-S15-S15-S
15
13.5~16.5
15
7
67
1
60
PEM1-S15-D5-S
15
13.5~16.5
±5
±10
±100
1
60
PEM1-S15-D15-S
15
13.5~16.5
±15
±4
±33
1
60
PEM1-S24-S3-S
24
21.6~26.4
3.3
30
303
1
60
PEM1-S24-S5-S1
24
21.6~26.4
5
20
200
1
60
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.
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efficiency
typ (%) 73 78 73 80 80 81 81 73 80 80 81 81 75 80 80 81 74 80 81 81 80 80 81 80 81 75 79
Additional Resources: Product Page | 3D Model | PCB Footprint CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
date 01/18/2021 │ page 2 of 7
MODEL (CONTINUED)
typ (Vdc)
input voltage
range (Vdc)
output voltage
(Vdc)
output
current
min (mA)
max (mA)
output power
max (W)
ripple and noise2
typ (mVp-p)
PEM1-S24-S12-S1
24
21.6~26.4
12
9
83
1
60
PEM1-S24-S15-S1
24
21.6~26.4
15
7
67
1
60
PEM1-S24-S24-S1
24
21.6~26.4
24
5
42
1
60
PEM1-S24-D3-S
24
21.6~26.4
±3.3
±15
±152
1
60
PEM1-S24-D5-S1
24
21.6~26.4
±5
±10
±100
1
60
PEM1-S24-D12-S1
24
21.6~26.4
±12
±5
±42
1
60
PEM1-S24-D15-S1
24
21.6~26.4
±15
±4
±33
1
60
PEM1-S24-D24-S1
24
21.6~26.4
±24
±2
±21
1
60
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.
PART NUMBER KEY
efficiency
typ (%) 81 81 81 73 80 81 79 80
INPUT
parameter
operating input voltage
surge voltage
filter
OUTPUT
parameter line regulation
load regulation
voltage accuracy voltage balance switching frequency temperature coefficient
PEM1 - SXX - XXX -S
Base Number
Input Voltage
Output S = single Output Voltage D = dual
Packaging Style SIP
conditions/description
3.3 Vdc input models 5 Vdc input models 12 Vdc input models 15 Vdc input models 24 Vdc input models
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
capacitance filter
conditions/description
for Vin change of 1% 3.3 Vdc output models all other models
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
see tolerance envelope curve
dual output, balanced loads
at full load, nominal input voltage
at full load
cui.com
min
typ
max
units
2.97
3.3
3.63
Vdc
4.5
5
5.5
Vdc
10.8
12
13.2
Vdc
13.5
15
16.5
Vdc
21.6
24
26.4
Vdc
-0.7 -0.7 -0.7 -0.7 -0.7
5
Vdc
9
Vdc
18
Vdc
21
Vdc
30
Vdc
min
typ
18 12 8 7 6
±0.5 100
max ±1.5 ±1.2
±1 ±0.03
units
% %
% % % % %
% kHz %/°C
Additional Resources: Product Page | 3D Model | PCB Footprint CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
date 01/18/2021 │ page 3 of 7
PROTECTIONS
parameter
conditions/description
short circuit protection1
Note:
1. The supply voltage must be discontinued at the end of the short circuit duration.
min
typ
SAFETY AND COMPLIANCE
parameter
conditions/description
min
typ
isolation voltage
input to output for 1 minute, 1 mA max. leakage current
3,000
isolation resistance
input to output at 500 Vdc
1,000
isolation capacitance
input to outp.