PQM3-D12-S12-M-TR [CUI]
CONVERT DC/DC 3W 12V 250MA OUT;
| 型号： | PQM3-D12-S12-M-TR |
| 厂家： | 
CUI INC |
| 描述： | CONVERT DC/DC 3W 12V 250MA OUT |
| 文件： | 总6页 (文件大小：435K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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date 05/14/2014
page 1 of 6
SERIES: PQM3-M │ DESCRIPTION: DC-DC CONVERTER
FEATURES
• 3 W isolated output
• smaller package
• single regulated output
• 1,500 Vdc isolation
• continuous short circuit
• temperature range (-40~105°C)
• high efficiency at light load
• high power density
• high vibration tolerance
• efficiency up to 81%
input
voltage
output
voltage
output
current
output
power
max
ripple
efficiency
MODEL
and noise1
typ
range
min
max
max
typ
(Vdc)
(Vdc)
(Vdc)
5
(mA)
(mA)
(W)
(mVp-p)
(%)
PQM3-D12-S5-M
PQM3-D12-S12-M
PQM3-D12-S15-M
PQM3-D24-S5-M
PQM3-D24-S12-M
PQM3-D24-S15-M
PQM3-D48-S5-M
PQM3-D48-S12-M
PQM3-D48-S15-M
12
12
12
24
24
24
48
48
48
9~18
30
12
10
30
12
10
30
12
10
600
250
200
600
250
200
600
250
200
3
3
3
3
3
3
3
3
3
60
60
60
60
60
60
60
60
60
75
77
79
76
81
80
77
80
80
9~18
12
15
5
9~18
18~36
18~36
18~36
36~75
36~75
36~75
12
15
5
12
15
Notes:
1. 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
PQM3 - DXX - SXX - M - X
Base Number
Input Voltage Output Voltage Packaging Style Package Options
SMT
"blank" = standard
TR = Tape & Reel
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CUI Inc │ SERIES: PQM3-M │ DESCRIPTION: DC-DC CONVERTER
date 05/14/2014 │ page 2 of 6
INPUT
parameter
conditions/description
min
typ
max
units
12 V input models
24 V input models
48 V input models
9
18
36
12
24
48
18
36
75
Vdc
Vdc
Vdc
operating input voltage
start-up voltage
12 V input models
24 V input models
48 V input models
4.5
11
24
8
16
33
9
18
36
Vdc
Vdc
Vdc
for maximum of 1 second
12 V input models
24 V input models
-0.7
-0.7
-0.7
25
50
100
Vdc
Vdc
Vdc
surge voltage
48 V input models
filter
pi filter
OUTPUT
parameter
conditions/description
min
typ
±0.2
±0.2
±1
max
±0.4
±0.75
±3
units
%
line regulation
load regulation
voltage accuracy
full load, input voltage from low to high
5% to 100% load
%
5% to 100% load
%
5V models
all other models
±1.5
±1.5
±5
±3
%
%
no-load output voltage accuracy
switching frequency
100% load, nominal input voltage (PFM mode)
25% load step change
350
0.5
KHz
ms
transient recovery time
transient response deviation
temperature coeffecient
1
25% load step change
±2
±5
%
100% load
±0.02
±0.03
%/°C
PROTECTIONS
parameter
conditions/description
min
typ
typ
max
max
units
short circuit protection
continuous, automatic recovery
SAFETY AND COMPLIANCE
parameter
conditions/description
min
units
Vdc
isolation voltage
isolation resistance
conducted emissions
radiated emissions
ESD
for 1 minute at 1 mA max.
at 500 Vdc
1,500
1,000
MΩ
CISPR22/EN55022, class B (external circuit required, see Figure 1-b)
CISPR22/EN55022, class B (external circuit required, see Figure 1-b)
IEC/EN61000-4-2, class B, contact ± 4kV
radiated immunity
EFT/burst
IEC/EN61000-4-3, class A, 10V/m
IEC/EN61000-4-4, class B, ± 2kV (external circuit required, see Figure 1-a)
IEC/EN61000-4-5, class B, ± 2kV (external circuit required, see Figure 1-a)
IEC/EN61000-4-6, class A, 3 Vr.m.s
surge
conducted immunity
voltage dips & interruptions
MTBF
IEC/EN61000-4-29, class B, 0%-70%
as per MIL-HDBK-217F @ 25°C
2011/65/EU
1,000,000
hours
RoHS
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CUI Inc │ SERIES: PQM3-M │ DESCRIPTION: DC-DC CONVERTER
date 05/14/2014 │ page 3 of 6
ENVIRONMENTAL
parameter
conditions/description
min
-40
-55
typ
max
105
125
95
units
°C
operating temperature
storage temperature
storage humidity
see derating curve
°C
non-condensing
%
temperature rise
at full load, Ta=25°C
25
°C
SOLDERABILITY
parameter
conditions/description
min
min
typ
max
300
240
units
°C
hand soldering
1.5 mm from case for 10 seconds
see reflow soldering profile
reflow soldering
°C
MECHANICAL
parameter
dimensions
conditions/description
typ
max
units
23.86 x 13.70 x 8.00 (0.939 x 0.539 x 0.315 inch)
epoxy resin (UL94-V0)
mm
case material
weight
5.2
g
MECHANICAL DRAWING
units: mm[inch]
tolerance: ±0.25[±0.010]
pin section tolerance: ±0.10[±0.004]
23.86 0.50[0.939 0.020]
15.24[0.600]
max 3.34[0.131]
2.54[0.100]
16
10
7
9
8
A
0.25[0.010]
5 max
A
1
18.10 [0.713]
Side View
1.34
[0.053]
Top View
PIN CONNECTIONS
1.02[0.040]
Front View
0.50[0.020]
PIN
1
Function
GND
NC
7
Grid Size:
2.54mm x 2.54mm
8
NC
16
10 9
9
+Vo
0V
10
16
Vin
8
1
7
1.20[0.047]
PCB Layout
Top View
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CUI Inc │ SERIES: PQM3-M │ DESCRIPTION: DC-DC CONVERTER
date 05/14/2014 │ page 4 of 6
DERATING CURVES
Temperature Derating Curve
Reflow Soldering Profile
250
Peak.Temp 240 C
10 Sec Max
100
80
220 C
200
150
100
60Sec Max
(>220 C)
60
Safe operating area
40
20
50
0
-40
-20
0
20
40
60
85
105 120
Time (sec.)
Ambient Temperature (°C)
EMC RECOMMENDED CIRCUIT
LDM1
LDM2
FUSE
Vin
Vin
+Vo
+
EUT
LOAD
0V
Figure 1
C1
C2
MO V
TVS
(a)
C0
GND
GND
(b)
Recommended external circuit components
Vin (Vdc) 12 24
choose according to practical input current
48
FUSE
MOV
LDM1
TVS
C0
--
10D560
56μH
10D101
--
56μH
SMCJ28A
680μF/25V
12μH
SMCJ48A
120μF/50V
12μH
SMCJ90A
120μF/100V
12μH
Table 1
LDM2
C1
4.7μF/50V
4.7μF/50V
4.7μF/50V
4.7μF/50V
4.7μF/100V
4.7μF/100V
C2
TEST CONFIGURATION
Figure 2
Table 2
Oscilloscope
Lin
External components
Lin
4.7μH
Current
Probe
Load
Cin
DC
DC
220μF, ESR < 1.0Ω
Cin
at 100 KHz
Note: Input reflected-ripple current is measured with an inductor Lin and Capacitor Cin to simulate source impedance.
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CUI Inc │ SERIES: PQM3-M │ DESCRIPTION: DC-DC CONVERTER
date 05/14/2014 │ page 5 of 6
APPLICATION NOTES
1. Output load requirement
To ensure this module can operate efficiently and reliably, the minimum output load may not be less than 5% 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. Recommended circuit
This series has been tested according to the following recommended testing circuit before leaving the factory. This series should be
tested under load (see Figure 3 & Table 3). If you want to further decrease the input/output ripple, you can increase the capacitance
accordingly or choose capacitors with low ESR. 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).
+Vo
0V
Vin
Cin
Cout
DC DC
Figure 3
GND
Table 3
Table 4
Vin
(Vdc)
Cin
(µF)
Cout
(µF/mA)
Vout
(Vdc)
Max. Capacitive Load
(μF)
12
24
48
100
10/100
5
3300
1800
1000
10~47 10/100
10~47 10/100
12
15
3. Input Current
When it is used in an unregulated condition, make sure that the input fluctuations and ripple voltage do not exceed the module stan-
dard. Refer to Figure 4 & Table 5 for the startup current of this dc-dc module.
Table 5
Vin
(Vdc)
Ip
(mA)
Ip
12
24
48
640
320
160
Figure 4
Input Voltage
Range
Input Voltage (V)
Note:
1. Minimum load shouldn't be less than 5%, otherwise ripple may increase dramatically. Operation under minimum load will not damage the converter, however, they may
not meet all specifications listed.
2. Maximum capacitive load is tested at input voltage range and full load.
3. All specifications are measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified.
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CUI Inc │ SERIES: PQM3-M │ DESCRIPTION: DC-DC CONVERTER
date 05/14/2014 │ page 6 of 6
REVISION HISTORY
rev.
description
date
1.0
initial release
03/19/2013
05/14/2014
1.01
updated emc recommendations, updated spec
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
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techsupport@cui.com
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.
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