For more information, please visit the
product page.
date
page
12/04/2017
1 of 7
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
• UL 60950-1 approval
• high efficiency at light load
• efficiency up to 81%
MODEL
typ
(Vdc)
input
voltage
range
(Vdc)
output
voltage
(Vdc)
min
(mA)
output
current
max
(mA)
output
power
max
(W)
ripple
and noise
2
typ
(mVp-p)
efficiency
typ
(%)
PEM1-S3-S3-S
PEM1-S3-S5-S
PEM1-S5-S3-S
PEM1-S5-S5-S
1
PEM1-S5-S12-S
1
PEM1-S5-S15-S
PEM1-S5-D3-S
PEM1-S5-D5-S
1
PEM1-S5-D12-S
1
PEM1-S5-D15-S
1
PEM1-S5-D24-S
1
PEM1-S12-S3-S
PEM1-S12-S5-S
1
PEM1-S12-S12-S
1
PEM1-S12-S15-S
1
PEM1-S12-D3-S
PEM1-S12-D5-S
1
PEM1-S12-D12-S
1
PEM1-S12-D15-S
1
PEM1-S15-S5-S
PEM1-S15-S12-S
PEM1-S15-S15-S
PEM1-S15-D5-S
PEM1-S15-D15-S
PEM1-S24-S3-S
PEM1-S24-S5-S
1
Notes:
1
3.3
3.3
5
5
5
5
5
5
5
5
5
5
12
12
12
12
12
12
12
12
15
15
15
15
15
24
24
2.97~3.63
2.97~3.63
4.5~5.5
4.5~5.5
4.5~5.5
4.5~5.5
4.5~5.5
4.5~5.5
4.5~5.5
4.5~5.5
4.5~5.5
4.5~5.5
10.8~13.2
10.8~13.2
10.8~13.2
10.8~13.2
10.8~13.2
10.8~13.2
10.8~13.2
10.8~13.2
13.5~16.5
13.5~16.5
13.5~16.5
13.5~16.5
13.5~16.5
21.6~26.4
21.6~26.4
3.3
5
3.3
5
12
15
24
±3.3
±5
±12
±15
±24
3.3
5
12
15
±3.3
±5
±12
±15
5
12
15
±5
±15
3.3
5
30
20
30
20
9
7
5
±15
±10
±5
±4
±2
30
20
9
7
±15
±10
±5
±4
20
9
7
±10
±4
30
20
303
200
303
200
83
67
42
±152
±100
±42
±33
±21
303
200
83
67
±152
±100
±42
±33
200
83
67
±100
±33
303
200
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
60
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
PEM1-S5-S24-S
1
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.
cui.com
For more information, please visit the
product page.
CUI Inc
│
SERIES:
PEM1-S
│
DESCRIPTION:
DC-DC CONVERTER
date
12/04/2017
│
page
2 of 7
MODEL
(CONTINUED)
PEM1-S24-S12-S
1
PEM1-S24-S15-S
1
PEM1-S24-S24-S
1
PEM1-S24-D3-S
PEM1-S24-D5-S
1
PEM1-S24-D12-S
1
PEM1-S24-D15-S
1
PEM1-S24-D24-S
1
Notes:
input
voltage
typ
(Vdc)
range
(Vdc)
output
voltage
(Vdc)
min
(mA)
output
current
max
(mA)
output
power
max
(W)
ripple
and noise
2
typ
(mVp-p)
efficiency
typ
(%)
24
24
24
24
24
24
24
24
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
21.6~26.4
12
15
24
±3.3
±5
±12
±15
±24
9
7
5
±15
±10
±5
±4
±2
83
67
42
±152
±100
±42
±33
±21
1
1
1
1
1
1
1
1
60
60
60
60
60
60
60
60
81
81
81
73
80
81
79
80
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
PEM1 - SXX -
XXX
-S
Base Number
Input Voltage
Output
S = single
D = dual
Output Voltage
Packaging Style
SIP
INPUT
parameter
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
min
2.97
4.5
10.8
13.5
21.6
-0.7
-0.7
-0.7
-0.7
-0.7
typ
3.3
5
12
15
24
max
3.63
5.5
13.2
16.5
26.4
5
9
18
21
30
units
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
operating input voltage
surge voltage
filter
OUTPUT
parameter
line regulation
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
±0.5
100
±0.03
±1
%
kHz
%/°C
18
12
8
7
6
min
typ
max
±1.5
±1.2
units
%
%
%
%
%
%
%
load regulation
voltage accuracy
voltage balance
switching frequency
temperature coefficient
For more information, please visit the
product page.
CUI Inc
│
SERIES:
PEM1-S
│
DESCRIPTION:
DC-DC CONVERTER
date
12/04/2017
│
page
3 of 7
PROTECTIONS
parameter
short circuit protection
1
Note:
1. The supply voltage must be discontinued at the end of the short circuit duration.
conditions/description
min
typ
max
1
units
s
SAFETY AND COMPLIANCE
parameter
isolation voltage
isolation resistance
isolation capacitance
safety approvals
2
conducted emissions
radiated emissions
ESD
MTBF
RoHS
Note:
conditions/description
input to output for 1 minute, 1 mA max. leakage
current
input to output at 500 Vdc
input to output, 100KHz, 0.1V
UL 60950-1
min
3,000
1,000
typ
max
units
Vdc
MΩ
20
pF
CISPR22/EN55022, class B (external circuit required, see Figure 1)
CISPR22/EN55022, class B (external circuit required, see Figure 1)
IEC/EN61000-4-2, class B, contact ± 8kV for single outputs
IEC/EN61000-4-2, class B, contact ± 6kV for dual outputs
as per MIL-HDBK-217F @ 25°C
2011/65/EU
3,500,000
hours
2. See specific models noted on pages 1 & 2.
ENVIRONMENTAL
parameter
operating temperature
storage temperature
storage humidity
temperature rise
non-condensing
at Ta = 25°C
25
conditions/description
see derating curve
min
-40
-55
typ
max
105
125
95
units
°C
°C
%
°C
SOLDERABILITY
parameter
hand soldering
wave soldering
3
Notes:
conditions/description
1.5 mm from case for 10 seconds
see wave soldering profile
min
typ
max
300
260
units
°C
°C
3. Preheat conditions: At 120°C for over 1 minute.
250
250
Peak Temp. 260°C Max.
Wave Soldering Time
4 Sec. Max.
200
Temperature (°C)
200
Temperature (°C)
10 Sec. Max.
150
150
120
100
>60 seconds
100
50
0
50
0
Time (sec.)
Time (sec.)
Preheat Profile
Wave Soldering Profile
cui.com
For more information, please visit the
product page.
CUI Inc
│
SERIES:
PEM1-S
│
DESCRIPTION:
DC-DC CONVERTER
date
12/04/2017
│
page
4 of 7
MECHANICAL
parameter
dimensions
case material
weight
conditions/description
19.50 x 6.00 x 9.30 (0.768 x 0.236 x 0.366 inch)
epoxy resin (UL94-V0)
2.4
g
min
typ
max
units
mm
MECHANICAL DRAWING
units: mm[inch]
tolerance: ±0.25[±0.010]
pin section tolerance: ±0.10[±0.004]
PIN CONNECTIONS
PIN
1
2
5
6
7
Single Output
Vin
GND
0V
No Pin
+Vo
Dual Output
Vin
GND
-Vo
0V
+Vo
cui.com
For more information, please visit the
product page.
CUI Inc
│
SERIES:
PEM1-S
│
DESCRIPTION:
DC-DC CONVERTER
date
12/04/2017
│
page
5 of 7
DERATING CURVES
Output Voltage Accuracy (%)
10
Tolerance Envelope Curve
Tolerance
(3.3 Vdc output
(3.3 Vdc)
Envelope Curve
only)
Output Voltage Accuracy (%)
5
Output Voltage Accuracy (%)
5
0
Typi
c
-5
-10
-15
40
10
Typ
i
0
al Lo
ad L
ine
cal
Max
Loa
dL
ine
Rated Output Voltage
Rated Output Voltage
1.0
Output Voltage Accuracy (%)
10
10
15
10
5
-0
-5
-10
Tolerance Envelope Curve
Tolerance
other models)
(all other models)
(all
Envelope Curve
1.0
5
0
M
T
Typ
ypical
ax
ical L
Load
oad
Line
Line
-5
Min
-7.5
Min
-2.5
Rated Output Voltage
2.5
2.5
Rated Output Voltage
-2.5
-15
-7.5
-15
100
-7.5
-7.5
10
20
30
Output Current Percentage (%)
Output Current Percentage (%)
(Nominal Input Voltage)
Voltage)
(Nominal Input
50
20
60
40
70
60
80
80
90
100
10
10 20
30
20
Output Current Percentage (%)
Output Current Percentage (%)
(Nominal
(Nominal Input Voltage)
Input Voltage)
40
40
60
50
80
60
100
70
80
90
100
Temperature Derating Curve
100
80
60
40
20
Load (%)
Safe operating area
-40
-20
0
20
40
60
85
105
120
Ambient Temperature (°C)
EMC RECOMMENDED CIRCUIT
Figure 1
LDM
Vin
C1
GND
Vin
+Vo
Cout
LOAD
Table 1
Recommended external circuit components
Vin
(Vdc)
3.3
5
12
15
24
Note:
C1
4.7μF/50V
4.7μF/50V
4.7μF/50V
4.7μF/50V
4.7μF/50V
1. See Table 3 for Cout values.
LDM
6.8μH
6.8μH
6.8μH
6.8μH
6.8μH
DC/DC
GND
-Vo
(0V)
TEST CONFIGURATION
Figure 2
Table 2
External components
Oscilloscope
Lin
Cin
Current
Probe
Lin
4.7μH
220μF, ESR < 1.0Ω
at 100 kHz
DC DC
Load
Cin
Note: Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate source impedance.
cui.com
嵌入式系统
