URF1D05QB-75WH [MORNSUN]
75W, wide input voltage, isolated & regulated single output DC-DC converter;型号: | URF1D05QB-75WH |
厂家: | MORNSUN SCIENCE& TECHNOLOGY LTD. |
描述: | 75W, wide input voltage, isolated & regulated single output DC-DC converter |
文件: | 总8页 (文件大小:1725K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
DC/DC Converter
URF1D_QB-75W Series
75W, wide input voltage, isolated & regulated single
output DC-DC converter
FEATURES
Wide input voltage range: 66-160V
High efficiency up to 91%
Low no-load power consumption
Isolation voltage 3000VDC
Operating temperature range: -40℃ to +100℃
Input under-voltage protection, output short
circuit, over-current, over–voltage,
over-temperature protection
International standard: 1/4 brick
Meets requirements of railway standard
EN50155
Patent Protection RoHS
URF1D_QB -75W Series is a high performance product designed for the field of railway applications. The DC/DC converters feature 75W
output power, no min. load requirement, wide input voltage of 66-160VDC, And allow the high base plate temperature(up to 100℃). The
products also provide input under-voltage protection, output over-voltage protection, short-circuit protection, over-temperature
protection, remote control and compensation, output voltage regulation functions. The series meet railway standard EN50155 . And target
railway system.
Selection Guide
Input Voltage (VDC)
Output
Efficiency (%, Typ)
@ Full Load
Max. Capacitive
Load(µF)
Part No.
Nominal
Max.*
Output
Voltage(VDC)
Output Current
(mA)(Max./Min.)
(Range)
URF1D05QB-75W
5
15000/0
86/88
7500
URF1D05QB-75WH
URF1D12QB-75W
URF1D12QB-75WH
URF1D15QB-75W
URF1D15QB-75WH
URF1D24QB-75W
URF1D24QB-75WH
12
15
24
6250/0
5000/0
3125/0
87/89
87/89
89/91
6000
4700
3000
110
170
(66-160)
Note: *Exceeding the maximum input voltage may cause permanent damage.
Input Specifications
Item
Operating Conditions
Nominal input voltage
Nominal input voltage
Min.
--
Typ.
5/774
5/766
5/766
5/749
50
Max.
Unit
mA
URF1D05QB-75W(H)
15/793
15/783
15/783
15/766
--
URF1D12QB-75W(H)
URF1D15QB-75W(H)
URF1D24QB-75W(H)
--
Input Current (no-load / full load)
--
--
Reflected Ripple Current
Surge Voltage (1sec. max.)
Starting Voltage
--
-0.7
--
--
180
--
VDC
mS
66
Input Under-voltage Protection
Starting Time
--
58
--
--
25
--
Input Filter
Pi filter
Unavailable
Hot Plug
Ctrl open circuit or connected to TTL high level
(3.5-12VDC)
Module switch on
Module switch off
Ctrl*
Ctrl connected to -Vin or low level (0-1.2VDC)
Input current when switched off
mA
--
2
--
Note: * the voltage of Ctrl pin is relative to input pin -Vin.
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MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
DC/DC Converter
URF1D_QB-75W Series
Output Specifications
Item
Operating Conditions
Min.
--
Typ.
--
Max.
±2
Unit
%
Nominal input voltage,10%-100% load
Nominal input voltage, 0%-10% load
Output Voltage Accuracy
--
--
±3
Line Regulation
Full load, the input voltage is from low to high
Nominal input voltage,10%-100% load
--
--
±0.3
Load Regulation
--
--
--
--
--
-5
--
±0.5
500
±5
Transient Recovery Time
Transient Response Deviation
Temperature Coefficient
Ripple & Noise *
300
±3
µs
25% load step change
%
Full load
%/℃
--
100
--
±0.03
300
10
20MHz bandwidth
mVp-p
Trim
%
Output voltage remote
compensation(Sense)
--
--
5
Output Over-voltage Protection
Output Over-current Protection
Short-circuit Protection
110
110
--
140
180
%Vo
%Io
Input voltage range
130
Continuous
Note: * The measuring method of ripple and noise, please refer to Fig. 1 .
General Specifications
Item
Operating Conditions
Min.
3000
1500
1500
1000
--
Typ.
--
Max.
Unit
Input-output
--
--
--
--
--
With the test time of 1 minute and the leak
current less than 1mA
Insulation Voltage Input-case
Output-case
--
VDC
--
Insulation Resistance
Isolation Capacitance
Switching Frequency
MTBF
Input-output, insulation voltage 500VDC
Input-output, 100KHz/0.1V
PFM mode
--
MΩ
pF
2200
--
KHz
220
--
--
--
MIL-HDBK-217F@25℃
500
K hours
Environmental Specifications
Item
Operating Conditions
Min.
Max.
+100
+115
--
Unit
Base-Plate Temperature Range
Over-temperature Protection
Within the operating temperature curve
Base- Plate Temperature
Natural convection
-40
--
℃
8
200LFM convection
6.0
5.0
4.0
5.1
2.8
2.2
1.8
5
--
URF1D_QB-75W
400LFM convection
--
Thermal
Resistance(Rt
h(B-A))
1000LFM convection
Natural convection
--
℃/W
--
200LFM convection
--
URF1D_QB-75WH
400LFM convection
--
1000LFM convection
Non-condensing
--
Storage Humidity
95
+125
%RH
Storage Temperature
-55
℃
Welding spot is 1.5mm away from the casing,
10 seconds
Lead Temperature
--
+300
Cooling Test
EN60068-2-1
EN60068-2-2
Dry Heat
Damp heat
EN60068-2-30
Shock and Vibration Test
IEC/EN 61373 car body 1 B mold
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DC/DC Converter
URF1D_QB-75W Series
Physical Specifications
Casing Material
Black flame-retardant and heat-resistant plastic (UL94 V-0)
60.80*39.20*12.70mm
Without Heatsink
Dimension
With Heatsink
62.00*39.20*30.80mm
46g (Typ.)
Without Heatsink
Weight
With Heatsink
76g (Typ.)
Cooling method
Natural convection or Forced convection
EMC Specifications
CE
CISPR32/EN55032 150KHz-30MHz Class B (see Fig. 2 -1for recommended circuit)
EMI
RE
CISPR32/EN55032 30MHz-1GHz Class B (see Fig. 2 -1 for recommended circuit)
ESD
IEC/EN61000-4-2 GB/T17626.2 Contact ±6KV, Air ±8KV
perf.Criteria B
RS
IEC/EN61000-4-3 GB/T17626.3 10V/m
perf.Criteria A
perf.Criteria A
perf.Criteria B
CS
EFT
IEC/EN61000-4-6 GB/T17626.6 10Vr.m.s
IEC/EN61000-4-4 GB/T17626.4 ±2KV(5KHz, 100KHz)(see Fig. 2-1for recommended circuit)
EMS
IEC/EN61000-4-5 GB/T17626.5 line to line ±2KV(1.2μs/50μs 2Ω),(see Fig.2-1 for recommended
circuit) line to ground±4KV(1.2μs/50μs 12Ω), (see Fig.2-1 for recommended
circuit)
perf.Criteria B
Surge
EN50155
see Fig.2-1for recommended circuit
perf.Criteria B
perf.Criteria B
Immunities of
short interruption
EN50155
100%, 0%, 10ms (see Fig.2-1 for recommended circuit)
Product Characteristic Curves
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DC/DC Converter
URF1D_QB-75W Series
Note:
1.The temperature derating curve and the efficiency curve are typical test values
2.Temperature derating curve in accordance with our laboratory test conditions for testing, the actual use of environmental conditions if the customer is not
consistent, to ensure that the product aluminum shell temperature does not exceed 100 ℃, can be used within any rated load range.
Sense of application and precautions
1. When not using remote sense
+Vo
sense+
Trim
sense-
+
C
Load
0V
The lead as short as possible
Short at pin root
Notes:
1) When not using remote sense, make sure + Vo and Sense + are shorted, and that 0V and Sense- are shorted as well;
2) Keep the tracks between + Vo and Sense + and 0V and Sense- as short as possible. Avoid a looping track. If noise interferes the loop, the operation of the
power module will become unstable.
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DC/DC Converter
URF1D_QB-75W Series
2. When Remote Sense is used
As far as possibl e using t he twisted pair
+Vo
sense+
Trim
+
C
Load
sense-
0V
Notes:
1. Using remote sense with long wires may cause output voltage to become unstable. Consult us if long sensing wiring is necessary.
2. Sense tracks or wires should be as short as possible. If using wires, it should not use twisted-pair or shielded wires.
3. Please use wide PCB tracks or a thick wires between the power supply module and the load, the line voltage drop should be kept less than 0.3V. Make sure
the power supply module's output voltage remains within the specified range.
4. The impedance of wires may cause the output voltage oscillation or a greater ripple, please do adequate assessments before using.
Design Reference
1. Ripple & noise
All the URF1D_QB-75W series have been tested according to the following recommended test circuit before leaving the factory (see Fig.
1).
Copper sheet
C 1
C 2
C 3
C 0
+Vo
+Vin
Ctrl
sense +
Connect
Oscillograph Probe
(20MHz bandwidth)
DC
Input
6 .4mm
220 uF
2 .54 mm
Load
Trim
sense -
0V
1uF
10uF
100 uF
-Vin
2 5.4 mm
5 1mm
Fig. 1
2. Typical application
If not using our Mornsun’s recommended circuit, please ensure an 100μF electrolytic capacitors in parallel with the input, which used to
suppress the surge voltage come from the input terminal.
If it is required to further reduce input&output ripple, properly increase the input & output of additional capacitors Cin and Cout or select
capacitors of low equivalent impedance,provided that the capacitance is no larger than the max. capacitive load of the product.
Capacitive
Parameter
Cout(µF)
220
Cin(µF)
100
+Vo
0V
+Vin
-Vin
Output Voltage
Cin
Cout
DC DC
5VDC
12VDC
15VDC
24VDC
3. EMC solution-module recommended circuit
CY3
CY1
LDM1
D1
+Vin
Vin
+Vo
LCM2
LCM1
+
C04
+
+
+
DC/DC
LOAD
-Vin
GND
0V
C1 C2
C4
C3
C01 C02 C03
C5
MOV
CY2
CY4
Fig. 2-1
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DC/DC Converter
URF1D_QB-75W Series
Fig. 2-2
MOV
S20K130(Varistor)
C01、C02、C03、C04
100uF/400V(electrolytic caoacitor)
10uH(Shielded inductor)
2.2uF/250V
LDM1
C1、C2、C3、C4、C5
D1
CY1、CY2、CY3、CY4
LCM1
SF306
2200 pF /400VAC (Y safety capacitor)
FL2D-30-222
LCM2
FL2D-30-472
4. Thermal design
The maximum operating temperature of base-plate TB is 100 ℃, as long as the user's thermal system keeps TB <100 ℃, the converter
can deliver its full rated power. A power derating curve can be calculated for any heatsink that is attached to the base-plate of the
converter. It is onen airflow rate. This information is usually available from the heatsink vendor. The following formula can the be used to
determine the maximly necessary to determine the thermal resistance, Rth(B-A), of the chosen heatsink between the base-plate and the
ambient air for a givum power the converter can dissipate for a given thermal condition if its base-plate is to be no higher than 100 ºC.
100℃T
A
Pmax
Pmax
diss
diss
Rth(B - A)
( TA is ambient temperature,Rth
BA
is thermal resistance of base-plate,
is max dissipation power)
The maximum load operating power of power supply module at a certain ambient temperature can be calculated by the power
dissipation, Formula is as follows:
Pmax
diss
Pomax
1
(
1)
( is converter efficiency)
Therefore, customers can according to the actual application to choose the right heatsink.
5. Application of Trim and calculation of Trim resistance
+Vo’
+Vo’
R1
RT
R1
R3
Vref
R2
Trim
R3
Vref
R2
Trim
RT
0V
Trim down
0V
Trim up
Applied circuits of Trim (Part in broken line is the interior of models)
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DC/DC Converter
URF1D_QB-75W Series
Calculation formula of Trim resistance:
aR2
R2-a
Vref
Vo’-Vref
-R3
-R3
up:
RT=
RT=
a=
a=
R1
R2
aR1
R1-a
Vo’-Vref
Vref
down:
table 1
Vo
5(VDC)
12(VDC)
15(VDC)
24(VDC)
Parameter
R1(KΩ)
2.94
2.87
10
11
2.87
15
14.49
2.87
15
24.87
2.87
20
R2(KΩ)
R3(KΩ)
Vref(V)
2.5
2.5
2.5
2.5
Note:
Value for R1, R2, R3, and Vref refer to the above table 1. RT: Resistance of Trim. a: User-defined parameter, no actual meanings. Vo’: The trim up/down
voltage.
6. It is not allowed to connect modules output in parallel to enlarge the power
7. For more information please find the application notes on www.mornsun-power.com
Dimensions and Recommended Layout (without heatsink)
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DC/DC Converter
URF1D_QB-75W Series
Dimensions and Recommended Layout(with heatsink)
Note:
1. Packing Information please refer to 'Product Packing Information'. Packing bag number: 58010113(without heatsink), 58220017(with
heatsink);
2. Recommend to use module with more than 5% load, if not, the ripple of the product may exceeds the specification, but does not affect
the reliability of the product;
3. The maximum capacitive load offered were tested at input voltage range and full load;
4. If the customer tests EMC, suggest to take our recommended circuit. If the customer needs to meet the performance aspects of the
surge, and don’t take our recommended circuit, please make sure the surge residual voltage is less than 180V, to ensure the reliability of
the product;
5. Recommends that customers plus silicone film or thermal grease between the module and the heatsink,in order to ensure good heat
dissipation;
6. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25℃, humidity<75%RH with nominal
input voltage and rated output load;
7. All index testing methods in this datasheet are based on Company’s corporate standards;
8. We provide product customization service and match filter module, please directly contact our technicians for specific information;
9. Specifications of this product are subject to changes without prior notice.
Mornsun Guangzhou Science & Technology Co., Ltd.
Address: No. 5, Kehui St. 1, Kehui Development Center, Science Ave., Guangzhou Science City, Luogang District, Guangzhou, P. R. China
Tel: 86-20-38601850-8801
Fax: 86-20-38601272
E-mail: info@mornsun.cn
2017.07.19-A/3
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