pem1 s

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date
09/16/2014
page
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
continuous 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
input
voltage
output
voltage
output
current
output
power
ripple
and noise2
efficiency
typ
(Vdc)
range
(Vdc)
(Vdc)
min
(mA)
max
(mA)
max
(W)
typ
(mVp-p)
typ
(%)
PEM1-S3-S3-S
3.3
2.97~3.63
3.3
30
303
1
30
73
PEM1-S3-S5-S
3.3
2.97~3.63
5
20
200
1
30
78
PEM1-S5-S3-S
5
4.5~5.5
3.3
30
303
1
30
75
PEM1-S5-S5-S
5
4.5~5.5
5
20
200
1
30
80
PEM1-S5-S12-S1
5
4.5~5.5
12
9
83
1
30
80
1
PEM1-S5-S15-S
5
4.5~5.5
15
7
67
1
60
81
PEM1-S5-S24-S1
5
4.5~5.5
24
5
42
1
60
81
PEM1-S5-D3-S
5
4.5~5.5
±3.3
±15
±152
1
30
73
PEM1-S5-D5-S1
5
4.5~5.5
±5
±10
±100
1
30
80
1
PEM1-S5-D12-S
5
4.5~5.5
±12
±5
±42
1
30
80
PEM1-S5-D15-S1
5
4.5~5.5
±15
±4
±33
1
60
81
1
PEM1-S5-D24-S
5
4.5~5.5
±24
±2
±21
1
60
81
PEM1-S12-S3-S
12
10.8~13.2
3.3
30
303
1
30
75
PEM1-S12-S5-S
12
10.8~13.2
5
20
200
1
30
80
PEM1-S12-S12-S1
12
10.8~13.2
12
9
83
1
30
80
PEM1-S12-S15-S
12
10.8~13.2
15
7
67
1
60
81
PEM1-S12-D3-S
12
10.8~13.2
±3.3
±15
±152
1
30
73
PEM1-S12-D5-S
12
10.8~13.2
±5
±10
±100
1
30
80
PEM1-S12-D12-S
12
10.8~13.2
±12
±5
±42
1
30
81
PEM1-S12-D15-S
12
10.8~13.2
±15
±4
±33
1
60
81
PEM1-S15-S5-S
15
13.5~16.5
5
20
200
1
30
80
PEM1-S15-S12-S
15
13.5~16.5
12
9
83
1
30
80
PEM1-S15-S15-S
15
13.5~16.5
15
7
67
1
60
81
PEM1-S15-D5-S
15
13.5~16.5
±5
±10
±100
1
30
80
PEM1-S15-D15-S
15
13.5~16.5
±15
±4
±33
1
60
81
PEM1-S24-S3-S
24
21.6~26.4
3.3
30
303
1
30
75
PEM1-S24-S5-S
24
21.6~26.4
5
20
200
1
30
79
PEM1-S24-S12-S
24
21.6~26.4
12
9
83
1
30
81
1
1
1
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CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
MODEL
(CONTINUED)
input
voltage
date 09/16/2014 │ page 2 of 7
output
voltage
output
current
output
power
ripple
and noise2
efficiency
typ
(Vdc)
range
(Vdc)
(Vdc)
min
(mA)
max
(mA)
max
(W)
typ
(mVp-p)
typ
(%)
PEM1-S24-S15-S
24
21.6~26.4
15
7
67
1
60
81
PEM1-S24-S24-S
24
21.6~26.4
24
4
42
1
60
81
PEM1-S24-D3-S
24
21.6~26.4
±3.3
±15
±152
1
30
73
PEM1-S24-D5-S
24
21.6~26.4
±5
±10
±100
1
30
80
PEM1-S24-D12-S
24
21.6~26.4
±12
±5
±42
1
30
81
PEM1-S24-D15-S
24
21.6~26.4
±15
±4
±33
1
60
79
PEM1-S24-D24-S
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.
PART NUMBER KEY
PEM1 - SXX - XXX -S
Base Number
Output
S = single
D = dual
Input Voltage
Output Voltage
Packaging Style
SIP
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
max
units
±1.5
±1.2
%
%
OUTPUT
parameter
conditions/description
min
line regulation
for Vin change of 1%
3.3 Vdc output models
all other models
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
voltage accuracy
see tolerance envelope curve
voltage balance
dual output, balanced loads
±0.5
±1
%
switching frequency
at full load, nominal input voltage
100
300
kHz
temperature coefficient
at full load
±0.03
%/°C
cui.com
typ
18
12
8
7
6
%
%
%
%
%
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CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
date 09/16/2014 │ page 3 of 7
PROTECTIONS
parameter
conditions/description
short circuit protection
continuous, automatic recovery
min
typ
max
units
min
typ
max
units
SAFETY AND COMPLIANCE
parameter
conditions/description
isolation voltage
for 1 minute at 1 mA max.
3,000
Vdc
isolation resistance
at 500 Vdc
1,000
MΩ
safety approvals1
UL 60950-1
conducted emissions
CISPR22/EN55022, class B (external circuit required, see Figure 1)
radiated emissions
CISPR22/EN55022, 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 @ 25°C
RoHS
2011/65/EU
Note:
3,500,000
hours
1. See specific models noted on page 1
ENVIRONMENTAL
parameter
conditions/description
min
operating temperature
see derating curve
storage temperature
storage humidity
non-condensing
temperature rise
at full load
typ
max
units
-40
105
°C
-55
125
°C
95
25
%
°C
SOLDERABILITY
parameter
conditions/description
hand soldering
wave soldering
min
typ
max
units
1.5 mm from case for 10 seconds
300
°C
see wave soldering profile
260
°C
Peak Temp. 260°C Max.
Wave Soldering Time
4 Sec. Max.
250
Temperature (°C)
200
10 Sec. Max.
150
100
50
0
Time (sec.)
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CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
date 09/16/2014 │ page 4 of 7
MECHANICAL
parameter
conditions/description
dimensions
19.50 x 6.00 x 9.00 (0.768 x 0.236 x 0.354 inch)
min
case material
epoxy resin (UL94-V0)
typ
max
units
mm
weight
2.4
g
MECHANICAL DRAWING
units: mm[inch]
tolerance: ±0.25[±0.010]
pin section tolerance: ±0.10[±0.004]
PIN
Single Output
1
Vin
Dual Output
Vin
2
GND
GND
5
0V
-Vo
6
No Pin
0V
7
+Vo
+Vo
f >f @
PIN CONNECTIONS
f >f @
f >f @
f
> f @
f
>[email protected]
>@
>@
Side View
f > f @
Front View
f >f @
f >f @
>@
>@
Bottom View
Grid Size: 2.54mm x 2.54mm
f >f @
>@
∅>@
>@
>@
PCB Layout
Top View
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CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
date 09/16/2014 │ page 5 of 7
DERATING CURVES
Tolerance Envelope Curve
Temperature Derating Curve
7.5
100
5
Typica
l Load
Line
2.5
0
2.5
Rated Output Voltage
-2.5
-2.5
-5
-7.5
-7.5
Load (%)
Output Voltage Accuracy (%)
10
80
60
Safe operating area
40
20
-10
10
20
30
40
50
60
70
Output Current Percentage (%)
(Nominal Input Voltage)
80
90
100
-40
-20
0
20
40
60
85
Ambient Temperature (°C)
EMC RECOMMENDED CIRCUIT
Figure 1
Table 1
Recommended external circuit
components
LDM
Vin
Vin
+Vo
EUT
C0
GND
GN D
LOAD
- Vo
(0V)
Vin
(Vdc)
C0
LDM
3.3
4.7μF/50V
6.8μH
5
4.7μF/50V
6.8μH
12
4.7μF/50V
6.8μH
15
4.7μF/50V
6.8μH
24
4.7μF/50V
6.8μH
TEST CONFIGURATION
Figure 2
Table 2
Oscilloscope
External components
Lin
Cin
Current
Probe
DC DC
Load
Note: Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate source impedance.
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Lin
4.7μH
Cin
220μF, ESR < 1.0Ω
at 100 kHz
105
120
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CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
date 09/16/2014 │ page 6 of 7
APPLICATION NOTES
1. Output load requirement
To ensure this module can operate efficiently and reliably, the minimum output load may not be less than 10% of the full load during
operation. If the actual output power is low, connect a resistor at the output end in parallel to increase the load.
2. Overload Protection
Under normal operating conditions, the output circuit of this product has no protection against overload. The simplest method to add
this is to add a circuit breaker to the circuit.
3. Recommended circuit
If you want to further decrease the input/output ripple, you can increase the capacitance accordingly or choose capacitors with low
ESR (see Figure 3 & Table 3). However, the capacitance of the output filter capacitor must be appropriate. If the capacitance is too
high, a startup problem might arise. For every channel of the output, to ensure safe and reliable operation, the maximum capacitance
must be less than the maximum capacitive load (see Table 4).
Figure 3
Single Output
Dual O ut put
+Vo
Vin
GND
Cout
DC DC
Cin
Vin
Figure 3
GND
0V
DC DC
Cin
Table 3
Cout
Cout
+Vo
0V
-Vo
Table 4
Vin
(Vdc)
Cin
(µF)
Single Vo
(Vdc)
Cout
(µF)
Dual Vo
(Vdc)
Cout
(µF)
Single Vout
(Vdc)
Max. Capacitive Load
(μF)
Dual Vout
(Vdc)
Max. Capacitive Load1
(μF)
3.3
4.7
3.3
10
±3.3
4.7
3.3
220
3.3
100
5
4.7
5
10
±5
4.7
5
220
5
100
12
2.2
12
2.2
±12
1
12
220
12
100
15
2.2
15
1
±15
0.47
15
220
15
100
24
1
24
1
±24
0.47
220
24
100
Note:
24
Note:
It’s not recommended to connect any external capacitors in
applications with less than 0.5 watt output.
1. For each output.
4. Output Voltage Regulation and Over-voltage Protection Circuit
The device for output voltage regulation, over-voltage and over-current protection is a linear regulator and a capacitor filtering network with overheat protection which can be connected to the input or output end in series (see Figure 4). The recommended capacitance of its filter capacitor (see Table 3), and the linear regulator is based on the actual voltage and current required.
Figure 4
Single Output
Vin
REG
GND
REG
+Vo
DC DC
0V
Dual Output
Vin
GND
Note:
1.
2.
3.
4.
REG
REG
DC DC
+Vo
0V
REG
-Vo
Operation under minimum load will not damage the converter; however, they may not meet all specifications listed.
Max. capacitive load tested at input voltage range and full load.
It is recommended to use either ceramic capacitors or electrolytic capacitors on the input and the output. Using tantalum capacitors may increase the risk of failure.
All specifications measured at: Ta=25°C, humidity<75%, nominal input voltage and rated output load, unless otherwise specified.
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CUI Inc │ SERIES: PEM1-S │ DESCRIPTION: DC-DC CONVERTER
date 09/16/2014 │ page 7 of 7
REVISION HISTORY
rev.
description
date
1.0
initial release
03/19/2013
1.01
added model PEM1-S15-S12-S
07/29/2013
1.02
added new models
02/14/2014
added UL approval to some models
09/16/2014
1.03
The revision history provided is for informational purposes only and is believed to be accurate.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
[email protected]
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a
life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.