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PDF SPM25-120-D48 Data sheet ( Hoja de datos )
| Número de pieza | SPM25-120-D48 | |
| Descripción | Single Output Potted Metal Package Isolated 25-Watt DC-DC Converters | |
| Fabricantes | Murata | |
| Logotipo |  |
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www.murata-ps.com
Typical unit
Output (V)
3.3
5
12
SPM25 Series
Single Output Potted Metal Package
Isolated 25-Watt DC-DC Converters
Current (A)
7.575
5
2.1
Nominal Input (V)
D48 = 36-75V (48V nom)
FEATURES
2:1 Input voltage range ( D48 = 36-75V)
1˝ x 1˝ x 0.41˝ dimensions.
Adjustable Vout (+10% to -10%)
High efficiency
Positive & negative logic, remote on/off control
option
Monotonic startup into pre-bias output conditions
Continuous short circuit protection
Over-temperature protection
Over-voltage protection
Low output ripple and noise
Strong thermal derating characteristics
Operational temperature range –40°C to +85°C
1600V I/O isolation
Packaged in a five-sided EMI shielding metal
package with non-conductive base
Certified to UL 60950-1, CAN/CSA-C22.2 No.
60950-1, IEC60950-1 safety approvals, 2nd
edition, with AM1
PRODUCT OVERVIEW
The SPM25 series isolated DC-DC converters
represent the next generation in Industrial Potted
Module Technology. Featuring a full 25-Watt output
in one square inch of board area, the SPM25
series isolated DC-DC converter family offers
efficient regulated DC power for printed circuit
board mounting. The 1˝ x 1˝ x 0.41˝ (25.4 x 25.4 x
10.41 mm) converter accepts a 2:1 input voltage
range of 36 to 75 Volts (D48), ideal for industrial
applications.
Intended target markets include transportation,
medical systems, electronic test equipment, indus-
trial processing equipment, industrial applications
where power modules must meet rugged envi-
ronmental requirements, high power density, and
where isolated output voltages are required. These
converters offer a feature/option set including:
through-hole mounting, positive or negative logic
(remote on/off), over-current & over-temperature
protection, under-voltage lockout. The input voltage
range covers the standard Industrial requirements
with a regulated output voltage and power rating
up to 25W.
Modules provide voltage isolation (basic
insulation) from input to output of up to 1600V. The
Operating ambient temperature range is -40°C to
+85°C.The module delivers full output power to
+70°C with no airflow. These parts are ideal for
applications that do not require any heat sinking or
forced air cooling.
F1 +Vin (1)
External
DC
Power
Source
On/Off
Control
(6)
Open = On
$MPTFE 0GG
1PTJUJWF
MPHJD
-Vin (2)
*TPMBUJPO
Barrier
Controller
and Power
5SBOTGFS
t4XJUDIJOH
t'JMUFST
t$VSSFOU4FOTF
Reference and
Error Amplifier
Figure 1. Connection Diagram
Typical topology is shown. Murata Power Solutions
recommends an external fuse.
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com/support
REG.-Nr. D806
(pending)
+Vout (3)
Trim (4)
-Vout (5)
MDC_SPM25.A04 Page 1 of 20
1 page  
TYPICAL PERFORMANCE DATA, SPM25-033-D48
Efficiency vs. Line Voltage and Load Current @ 25°C
92
90
88
86
84
82
80
78
76
74
72
70
68
66
64
62
0.82 1.65 2.49 3.32 4.16 5.0 5.83 6.66 7.50 7.575
Maximum Current Temperature Derating at sea level
Vin = 36 (air flow from J1 to J3 on PCB)
8
7
0.5 m/s (100 LFM); 1.0 m/s (200 LFM);
6 1.5 m/s (300 LFM); 2.0 m/s (400 LFM)
Natural Convection
5
4
3
2
1
0
30 35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature (°C)
Maximum Current Temperature Derating at sea level
Vin = 60 (air flow from J1 to J3 on PCB)
8
7
6 0.5 m/s (100 LFM); 1.0 m/s (200 LFM);
1.5 m/s (300 LFM); 2.0 m/s (400 LFM)
5 Natural Convection
4
3
2
1
0
30 35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature (°C)
SPM25 Series
Single Output Potted Metal Package
Isolated 25-Watt DC-DC Converters
Power Dissipation
4.00
3.50
3.00
2.50
VIN = 36V
2.00 VIN = 48V
1.50 VIN = 60V
VIN = 75V
1.00
0.50
0.82 1.65 2.49 3.32 4.16 5.00 5.83 6.66 7.50 7.575
Output Load Curre nt (Amps)
Maximum Current Temperature Derating at sea level
Vin = 48 (air flow from J1 to J3 on PCB)
8
7
6 0.5 m/s (100 LFM); 1.0 m/s (200 LFM);
1.5 m/s (300 LFM); 2.0 m/s (400 LFM)
5 Natural Convection
4
3
2
1
0
30 35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature (°C)
Maximum Current Temperature Derating at sea level
Vin = 75 (air flow from J1 to J3 on PCB)
8
7
6 0.5 m/s (100 LFM); 1.0 m/s (200 LFM);
1.5 m/s (300 LFM); 2.0 m/s (400 LFM)
5 Natural Convection
4
3
2
1
0
30 35 40 45 50 55 60 65 70 75 80 85
Ambient Temperature (°C)
www.murata-ps.com/support
MDC_SPM25.A04 Page 5 of 20
5 Page 
SPM25 Series
Single Output Potted Metal Package
Isolated 25-Watt DC-DC Converters
FUNCTIONAL SPECIFICATIONS – MODEL SPM25-120-D48
ABSOLUTE MAXIMUM RATINGS
Conditions ➀
Minimum
Typical/Nominal
Maximum
Units
Input Voltage, Continuous
0 80 Vdc
Input Voltage, Transient
100 mS max. duration
100 Vdc
Isolation Voltage
Input to output, continuous
1600 Vdc
On/Off Remote Control
Power on, referred to -Vin
0
15 Vdc
Output Power
0
25.45
W
Output Current
Current-limited, no damage, short-circuit protected
0
5A
Storage Temperature Range
Vin = Zero (no power)
-55
125 ˚C
Absolute maximums are stress ratings. Exposure of devices to greater than any of these conditions may adversely affect long-term reliability. Proper operation under conditions other than those
listed in the Performance/Functional Specifications Table is not implied or recommended.
INPUT
Operating voltage range
36 48 75 Vdc
Recommended External Fuse
Fast blow
1.5 A
Start-up threshold
Rising input voltage
32.8 34
35 Vdc
Undervoltage shutdown
Falling input voltage
32 33.5 35 Vdc
Turn-On/Turn-Off Hysteresis
1.5 Vdc
Internal Filter Type
C
Input current
Full Load Input Current
Vin = nominal
0.603
0.624
A
Low Line Input Current
Vin = minimum
0.809
0.842
A
Inrush Transient
0.05 A2-Sec.
Short Circuit Input Current
50 100 mA
No Load Input Current
Iout = minimum, unit=ON
20 35 mA
Shut-Down Input Current (Off, UV, OT)
1 2 mA
Reflected (back) ripple current ➁
Measured at input with specified filter
30 mA, p-p
Pre-biased startup
External output voltage < Vset
Monotonic
GENERAL and SAFETY
Efficiency
Vin = 48V, full load
Vin = min., full load
85 87
86.5
%
%
Isolation
Isolation Voltage
Input to output, continuous
1600
Vdc
Insulation Safety Rating
basic
Isolation Resistance
10 MΩ
Isolation Capacitance
1700 pF
Safety
Certified to UL-60950-1, CSA-C22.2 No. 60950-
1, IEC60950-1, 2nd edition, with AM1
Yes
Calculated MTBF
Per Telcordia SR332, issue 1, class 3, ground
fixed, Tambient = +25°C
5.9
Hours x 106
DYNAMIC CHARACTERISTICS
Fixed Switching Frequency
295 325 355 KHz
Startup Time
Power on to Vout regulated
10 50 mS
Startup Time
Remote ON to Vout regulated
10 50 mS
Dynamic Load Response
50-75-50% load step, settling time to within
1% of Vout
100 150 μSec
Dynamic Load Peak Deviation
same as above
±250
±350
mV
FEATURES and OPTIONS
Remote On/Off Control ➂
“N” suffix
Negative Logic, ON state
ON = Ground pin or external voltage
-0.7
0.8 V
Negative Logic, OFF state
OFF = Pin open or external voltage
10
15 V
Control Current
Open collector/drain
1 mA
“P” suffix
Positive Logic, ON state
ON = Pin open or external voltage
10
15 V
Positive Logic, OFF state
OFF = Ground pin or external voltage
-0.7
0.7 V
Control Current
Open collector/drain
1 mA
www.murata-ps.com/support
MDC_SPM25.A04 Page 11 of 20
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet SPM25-120-D48.PDF ] | |
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