MYBSP01201ABF [MURATA]
DC-DC Regulated Power Supply Module,;
| 型号： | MYBSP01201ABF |
| 厂家： | 
muRata |
| 描述： | DC-DC Regulated Power Supply Module, |
| 文件： | 总11页 (文件大小：490K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
Typical unit
(Preliminary)
FEATURES
PRODUCT OVERVIEW
IEEE802.3af class0 compliant
12W DC-DC converter
The MYBSP01201ABF is an isolated, regulated, DC-DC converter for
PoE PD that has an input range of 37-57Vdc with
37-57V Input Voltage range
14.8 x 26 x 6.2mm Size
84% efficiency (typical)
a typical efficiency of 84%, and full 2250 Volt DC isolation.
The MYBSP01201ABF is ideal for IEEE 802.3af Compliant Devices.
Module has self-protection features. These include input undervoltage
lockout and output current limit.
Surface mount module
2250Vdc Input-Output Isolation
Operating Temperature range -40 to +85 °C
And the module has detection and classification for compliant IEEE802.3af.
PD equipment
Load equipment
MYBSP01201ABF
Isolated DC-DC converter
Power
1
4
UTP cable
To PSE
Ethernet
Pulse
Transformer
Power + Data
3
2
Flyback controller
IEEE802.3af compliant
PD controller
•Hot swap
•PoE detection / classification
Data
Figure 1. Simplified Block Diagram
Typical topology is shown.
Export Control Code : X0863 Document No : DC-R170070
MYBSP01201ABF A01 Page 1 of 11
http://www.murata.com/en-global/products/power
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
PERFORMANCE SPECIFICATIONS SUMMARY AND ORDERING GUIDE
Output
Input
Efficiency
Package
(mm)
(%)
Model Number
Regulation Typ.
Vout
Iout
Power R/N Typ.
Vin Nom.
(Vdc)
Range
(Vdc)
Iin, full load
Typ.(A)
(Vdc) (A,Max.) (W)
(mVp-p)
Line (%) Load (%)
Min. Typ.
MYBSP01201ABF
12 12
1
150
TBD
TBD
48
37-57
0.3
81
84
14.8 x 26 x 6.2
1. Please refer to the Part Number Structure for additional ordering information and options.
2. All specifications are at nominal line voltage, full load, +25°C unless otherwise stated.
PART NUMBER STRUCTURE
MY
BSP
012
01
A
B
F
Internal control code
MURATA Standard
DC-DC Convertor
Isolated DC-DC Convertor
for PoE PD IEEE802.3xx
Pin Type
B = Surface mount pin
Output Voltage
012 = 12V
Nominal Input Voltage
A = 48V nominal
Output Current
01 = 1A
http://www.murata.com/en-global/products/power
MYBSP01201ABF A01 Page 2 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
FUNCTIONAL SPECIFICATIONS, MYBSP01201ABF
ABSOLUTE MAXIMUM RATINGS
Input Voltage, Continuous
Input Voltage, Transient
Conditions
Minimum
Typical / Nominal
Maximum
Units
Vdc
Vdc
0
57
60
100ms max. duration
Input to output, Leak current 1mA max
for 1minute at +25°C/60%RH.
Isolation Voltage
Output Power
2250
12
Vdc
W
0
0
Current-limited, no damage, short-circuit
protected
Output Current
1
A
Storage Temperature Range
Vin = Zero (no power)
-40
90
°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
Start-up threshold
Undervoltage shutdown
Internal Filter Type
Input current
37
34.9
28.9
48
37.5
31
57
40.1
33.1
Vdc
Vdc
Vdc
Rising input voltage
Falling input voltage
Pi
Full Load Conditions
Low Line Input current
On Resistance of Internal Hotswap
Resistance for detection
Classification current
GENERAL and SAFETY
Efficiency
Vin = nom., Iout = max
Vin = min., Iout = max.
0.3
0.4
0.48
25
A
A
Ω
kΩ
mA
Vin=2.7 to 10.1V
Vin=14.5 to 20.5V
2
Vin = 48V, full load
81
84
Isolation
Input to output, Leak current 1mA max
Isolation Voltage
2250
Vdc
for 1minute at +25°C/60%RH.
Insulation Safety Rating
Isolation Capacitance
Functional
1500
pF
Telcordia SR-332, issue 1, class 3,
Calculated MTBF
TBD
Hours x 103
ground fixed, Ta = +25°C
DYNAMIC CHARACTERISTIC
Fixed Switching Frequency *1
Vout Rise Time
Vin = 48V, Iout = max
From 10%-90% of Vout
125
4
kHz
ms
Dynamic Load Response
Dynamic Load Peak Deviation
50-100-50% load step to 1% of Vout
same as above
TBD
TBD
μSec
mVdc
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MYBSP01201ABF A01 Page 3 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
FUNCTIONAL SPECIFICATIONS, MYBSP01201ABF(CONT.)
OUTPUT
Conditions
Minimum
Typical / Nominal
Maximum
Units
Total Output Power
Voltage
0
12
W
Nominal Output Voltage
Overvoltage Protection
Current
Output Current Range *2
Current Limit Inception
Short circuit protection method
Regulation
all conditions
11.4
12
None
12.6
1
Vdc
Vdc
0.1(TBD)
1.05
A
A
Non-latching
Line Regulation
Load Regulation
Vin=min. to max., Vout=nom., full load
Iout = min. to max.
TBD
TBD
% of Vout
% of Vout
150 MHz BW, Cout=0.1μF MLCC
paralleled with 10μF and 100μF
At all outputs
Ripple and Noise
150
mV pk-pk
Temperature Coefficient
Maximum Capacitive Loading
MECHANICAL
TBD
% of Vout/°C
Low ESR
100
400
μF
Outline Dimensions
Weight
Pin Diameter
L x W x H
14.8 x 26 x 6.2
4.7
mm
Grams
mm
1.6
Pin Material
Copper alloy
ENVIRONMENTAL
Operating Ambient Temperature
Range
Storage Temperature
Thermal Protection/Shutdown
Electromagnetic Interference
Conducted, EN55022/CISPR22
RoHS rating
-40
-40
85
90
°C
Vin = Zero (no power)
Measured at hotspot
°C
°C
None
TBD
External filter is required
Class
RoHS-6
Specification Notes
Unless otherwise noted, all specifications are typical at nominal input voltage,
nominal output voltage and full load. General conditions are +25° C ambient
temperature, near sea level altitude, natural convection airflow. All models are
tested and specified with external parallel 0.1μF and 10μF and 100μF output
capacitors (See Technical Notes).
*1 Variable Frequency Operation.
*2 Minimum output current must be 200mA(TBD) if your application applies
Maintain Power Signature(MPS) by IEEE802.3af. Please check with your
application.
http://www.murata.com/en-global/products/power
MYBSP01201ABF A01 Page 4 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
PERFORMANCE DATA, MYBSP01201ABF
Efficiency vs. Line Voltage and Load Current
Load Regulation
(Ta=+25°C)
(Ta=+25°C)
Vout Start-up
Output Ripple and Noise
(Vin=48V, Iout=1A, Ta=+25°C)
(Vin=48V, Iout=1A, Ta=+25°C)
5V/div
2ms/div
100mV/div
10μs/div
Transient Response (Vin=48V, Iout=0.5A to 1A, Ta=+25°C)
Transient Response (Vin=48V, Iout=1A to 0.5A, Ta=+25°C)
TBD
TBD
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MYBSP01201ABF A01 Page 5 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
PERFORMANCE DATA, MYBSP01201ABF(CONT.)
Conduction Noise (Vin=48V, Iout=1A, Ta=+25°C)
Conduction Noise (Vin=48V, Iout=1A, Ta=+25°C)
TBD
TBD
Thermal Derating
Unit under test (UUT) is covered by acrylic box to avoid airflow.
(Vin=48V, See Technical Notes)
http://www.murata.com/en-global/products/power
MYBSP01201ABF A01 Page 6 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
MECHANICAL SPECIFICATIONS
Top View
14.8±0.5
Bottom View
3
4
2
1
0.15
(1.9)
11.0±0.25
INPUT / OUTPUT CONNECTIONS
Function
Marking
TBD
Pin
1
Designation
Pin size
Φ1.6
+Vin
-Vin
Positive Input Voltage
Negative Input Voltage
Negative Output Voltage
Positive Output Voltage
2
Φ1.6
[Unit:mm]
3
-Vout
+Vout
Φ1.6
4
Φ1.6
RECOMMENDED FOOTPRINT (Top View)
14.8
11.0
4-φ2.4
*Avoid placing pattern layout in hatched area
to insulate between pattern and DC-DC converter.
1Pin
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MYBSP01201ABF A01 Page 7 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
PACKAGING INFORMATION (SURFACE MOUNT)
TBD
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MYBSP01201ABF A01 Page 8 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
TECHNICAL NOTES
Over Current Protection
Thermal Derating Condition
Over Current Protection operates with a controller circuit failure or
over-load condition. After rejected the abnormal mode, DC-DC
converter will automatically restart.
The output current is limited by the derating curve. The derating
curve in this datasheet illustrate typical operation under a variety of
conditions.
However output short voltage affect long-term reliability.
DC-DC Converter is tested on a 101.6x188mm, 2 layers Copper
evaluation board at Vin=48V.
External Input Capacitor
Do not connect any capacitor between positive input and negative
input to avoid large inrush current. It is one of the requirements of
IEEE802.3af standard.
The Unit Under Test (UUT) is set up as shown below.
UUT is covered by acrylic box to avoid airflow.
The temperature measurement points are shown below table. The
temperature of measurement points should not exceed the
maximum temperatures in the below table.
Test Circuit
The initial values in Functional Specification are measured in the
following test circuit.
Position
P1
P2
Description
IC
Diode
Max temperature
TP1MAX = 124°C
TP2MAX = 124°C
TP3MAX = 125°C
4
1
+Vout
+Vin
10mΩ
ｖ
10mΩ
ｖ
DC-DC
Convertor
C1
Vin
P3
Transformer pattern
ｖ
RL
ｖ
Top View
-Vin
-Vout
2
3
C1 : Ceramic Capacitor 100μF
P2(Diode)
RL : Electronic Load Device : LN-1000A-G7 KEISOKU GIKEN
equivalent
Vin : DC Power Supply :Model HP6675A HP equivalent
V : Digital Multimeter :Model HP34401A HP equivalent
P3(Transformer pattern)
P1(IC)
When deviating from the above, DC-DC converter may operate
abnormally. It should be fully confirmed on your board before use.
1Pin
Ripple Noise Test
Output ripple noise is measured using designated external output
components, circuits and layout as shown below.
50mm
188.0mm
DC-DC
Converter
C2 C3
C1
TRC-50F
Terminating resistance
LOAD
1Pin
Oscilloscope
BW=150MHz
1.5m50Ω
Coaxial cable
Acrylic box
C1 : Ceramic Capacitor 100μF
C2 : Ceramic Capacitor 0.1μF
C3 : Ceramic Capacitor 10μF
Unit Under Test (UUT)
Conduction Noise
The external input filter is installed and the circuit diagram is shown
below.
Resistive
load
48V
TBD
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MYBSP01201ABF A01 Page 9 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
Detection and Hardware Classification
Functional Specifications
DC-DC converter implements IEEE 802.3af compliant detection and
hardware classification.
When DC-DC converter(PD) is connected to PSE, the PSE applies
two voltages in the range of 2.8 V to 10 V and measures the
corresponding current. Connection to PD is detected by measured
current.(Detection)
Please contact Murata Sales before using this product for the
applications listed below. These are applications that require very
high reliability of prevention of defects which might directly cause
damage to third party’s life, body, or property.
1. Aircraft equipment
2. Aerospace equipment
After Detection, the PSE applies voltage in the range of 15.5 V to
20.5 V and measures the corresponding current. PD is classified by
measured current.(Hardware Classification)
3. Undersea equipment
4. Power plant control equipment
5. Medical equipment
Please check with your application.
6. Transportation equipment (cars, buses, trucks, trains, ships, etc.)
7. Traffic signal equipment
SMT Reflow Soldering Guidelines
The surface-mount reflow solder profile is shown below.
This graph should be used only as a guideline.
8. Disaster prevention /crime prevention equipment
9. Data-processing equipment
10. Application of similar complexity and /or reliability listed as
above.
Reflow Soldering Profiles : JEDEC IPC/JEDE J-STD-020D
Storage
Soldering temperature
Soldering time
Heating time
245°C +0/-5°C
Please store this product in an environment where the
temperature/humidity is stable in the range 0 to 40°C/10 to
75%RH and no direct sunlight. Use the product within 6 months
after delivery.
Please avoid storage conditions where humidity and temperature
change rapidly, as that may cause condensation on the product,
which might degrade the quality of the product.
Please do not store the product environments that are dusty, in
direct exposure to sea breeze, or in an atmosphere containing
corrosive gas (Cl2, NH3, SO2, NOX and so on).
30 seconds, 240°C-245°C
60～150 seconds, 217°C min.
60～120 seconds, 150°C-200°C
3°C /sec.max., 217°C-245°C
6°C /sec.max.
Preheat time
Programming rate
Descending rate
Total soldering time
Time
8 minutes max.,25°C-245°C
1time
245℃
217℃
Operational environment and operational conditions
This product is not chemical-proof or rust-proof.
In order to prevent this product from leakage of electricity and/or
abnormal temperature increase, do not use the product under the
following circumstances:
200℃
150℃
60-150 seconds
60-120 seconds
(1) in an atmosphere containing corrosive gas (Cl2, NH3, SO2, NOX
and so on).
(2) in a dusty place.
(3) in a place exposed to direct sunlight.
Times
Do not vibrate for the products on reflow. Please need to take care
temperature control because mounted parts may come off if the
product is left under the high temperature. Do not mount on
backside of the board.
Many other factors influence the success of SMT reflow soldering.
Since your production environment may differ, please thoroughly
review these guidelines with your process engineers.
(4) in such a place where water splashes or in such a humid place
where water condenses.
(5) in a place exposed to sea breeze.
(6) in any other places similar to the above (1)through (5).
Operational Conditions
Please use the product within specified values (power supply,
temperature, input, output and load condition etc.). Input voltage
drops for line impedance, so please make sure that input voltage is
within in specified values.
If the product is used over the specified values, it may damage the
product, reduce the quality, and even if the products can endure the
condition for short time, it may cause degradation of the reliability.
http://www.murata.com/en-global/products/power
MYBSP01201ABF A01 Page 10 of 11
Preliminary
MYBSP01201ABF
Isolated DC-DC converter for PoE PD
Note Prior to use
If you apply high static electricity, voltage higher than rated voltage
or reverse voltage to the product, it may cause defects in the
products or degrade the reliability.
Please avoid the following items:
1. Over rating power supply, reverse power supply or not-enough
connection of input voltage and 0V(DC)line
2. Electrostatic discharge by production line and/or operator
3. Electrified product by electrostatic induction
Do not subject product to excessive mechanical shock. If you drop
the product on the floor it might cause a crack to the core of
inductors and monolithic ceramic capacitors.
Also please pay attention to handling; the mounted parts can be
dislodged if subjected to excessive force.
Transportation
If you transport the product, please pack it so that the package will
not be damaged by mechanical vibration or mechanical shock, and
please educate and guide the carrier to prevent rough handling.
Note
1. Please make sure that the product has been evaluated and
confirmed against your specifications when it is mounted to your
product.
2. All the items and parameters in this product specification have
been prescribed on the premise that our product is used for the
purpose, under the conditions and in the environment agreed upon
between you and us. You are requested not to use our product
deviating from such agreement.
3. We consider it not appropriate to include other terms and
conditions for transaction warranty in product specifications,
drawings or other technical documents. Therefore, if your technical
documents as above include such terms and conditions as warranty
clause, product liability clause, or intellectual property infringement
liability clause, we will not be able to accept such terms and
conditions unless they are based on the governmental regulation or
they are stated in a separate contract agreement.
Specifications are subject to change without notice.
MYBSP01201ABF A01 Page 11 of 11
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