MUA15 20131002A

Isolated DC-DC Converters
MUA15 Series -- 15 Watt
Bothhand USA
Features
 Wide 2 : 1 Input Voltage Range(9~18V,18~36V,36~75V)
 Input / Output Isolation Voltage: 1.5kVDC
 High Efficiency
 High Power Density
 Extended Operating Temperature Range: -55°C to+95°C
 Output Short Circuit Protection:
Continuous & Auto Recovery
 Over Voltage Protection: Clamp Mode





Description
Fixed Switching Frequency
Shielded Metal Case with Insulated Baseplate
Lead Free Design, RoHS Compliant
Industry Standard Pinout
Customer Design Available
The MUA15 Series are isolated 15W DC/DC converters.
Designed with highly efficiency, allow the operating temperature
range of these units to be -55°C to +95°C in a DIP package with
industry-standard footprint. Further features include wide 2 : 1
input voltage range, remote on/off control, short-circuit protection
and over voltage protection.
Applications
These converters are well suitable for battery operated
equipment, measurement equipment, telecom, wireless
network, Industry control system, everywhere where isolated,
tightly regulated voltages and compact size are required.
Technical Specification
Model
Number
All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
Output Current (mA)
Input Voltage Output
Voltage
(1)
Range
Full. Load
(Vdc) Min. Load
MUA15-12S1
Input Current (mA)
No Load
Full Load
Eff .(2) Capacitive
max.
(%) Load,
(3)
(uF)
5
0
3000
16
1624
81
3300
12
40
1250
20
1525
86
1000
MUA15-12D3
±15
0
±500
26
1525
86
68
MUA15-24S1
5
0
3000
9
801
82
3300
12
10
1250
10
753
87
1000
MUA15-24D3
±15
0
±500
18
762
86
100
MUA15-48S1
5
0
3000
5
396
83
3300
12
0
1250
6
377
87
680
±15
0
±500
9
382
86
100
MUA15-12S2
MUA15-24S2
MUA15-48S2
MUA15-48D3
9~18V
Nominal:12Vdc
18~36V
Nominal:24Vdc
36~75V
Nominal:48Vdc
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Rev:20131002A
Page 1 of 7
Isolated DC-DC Converters
MUA15 Series -- 15 Watt
Bothhand USA
Input Specifications
Input Voltage
12V nominal input
9-18V
24V nominal input
18-36V
48V nominal input
36-75V
Input filter
Pi Type
Input surge voltage
12V nominal input
25V
(100ms max.)
24V nominal input
50V
48V nominal input
100V
Input reflected ripple current
Nominal Vin and full load
250mAp-p typ.
Start up time
Nominal Vin and constant resistive load
Sourcing current of remote control pin
Nominal Vin
<0.2 mA
Idle input current (at Remote OFF state)
Nominal Vin
<3 mA
400ms typ.
Reverse voltage protection
1.0A max
Environmental Specifications
Operating ambient temperature
-55°C to +95°C (with derating)
Maximum case temperature
+100°C
Storage temperature range
-55°C to +125°C
Relative humidity
5% to 95% RH
Temperature coefficient
±0.02% / °C max.
Output Specifications
Output power
Voltage accuracy
15 Watts max.
Full load and nominal Vin
±1%
Minimum load
Line regulation
See table
LL to HL at full load
25% load to full load
Load Regulation
Balanced load
±0.8%
Single
±1.0%
Dual
±1.0%
Unbalanced load 25% to 100% full load
Ripple and Noise
Over voltage protection
(Zener Diode Clamp)
±5%
20MHz bandwidth
75mVp-p max.
5Vout models
6.2V
12Vout models
15V
15Vout models
18V
Capacitive load
Over load protection
See table
% of full load at nominal input
Short circuit protection
Continuous, automatic recovery
Transient response settling time
50% load step change
Transient response over shoot
di/dt=0.8A/μs
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150% typ.
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1400us typ.
≤ ±5% of Vo
Rev:20131002A
Page 2 of 7
Isolated DC-DC Converters
MUA15 Series -- 15 Watt
Bothhand USA
General Specifications
Efficiency
Nominal input
Isolation voltage
Input to output
Isolation resistance
500VDC
See table
1500VDC
9
10 Ohms min.
Isolation capacitance
580pF typ.
Switching frequency
300kHz typ.
Reliability, calculated MTBF
6
1.96× 10 Hrs
Physical Specifications
Case material
Nickel-coated copper
Base material
Non-conductive black plastic
Potting material
Silicon rubber (UL94V-0)
2.0 × 1.0 × 0.4 Inch
Dimensions
(50.8 × 25.4 × 10.2 mm)
Weight
30g (1.06oz) typ.
Output Power (%)
Power Derating Curve
120
100
80
60
40
20
0
71
-55
-35
-15
5
25
45
65
95
85
105 125
MUA15-48S1
MUA15-48S1
Input voltage vs. Efficiency
Output Current vs. Efficiency
90
85
80
75
70
65
60
55
50
90
Efficiency (%)
Efficiency (%)
Ambient Temp.TA (℃)
85
80
75
70
65
60
55
50
Input voltage (V)
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Output Current (A)
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Rev:20131002A
Page 3 of 7
3
75
2.7
68
2.4
64
2.1
60
1.8
56
1.5
52
1.2
48
0.9
44
0.6
40
0.3
36
Isolated DC-DC Converters
MUA15 Series -- 15 Watt
Bothhand USA
MUA15-48S1
MUA15-48S1
Transient Response at 50%~100% Max Load
Loop Gain & Phase at Vi=48V,Full Load
Note
1. Io below this value will not damage these converters, however, they may not meet all listed specifications.
2. Typical value, tested at nominal input and full load.
3. For each output.
Mechanical Dimensions
Pin
1
2
3
4
5
Pin Assignment
Single
Dual
+Vin
+Vin
-Vin
-Vin
+Vout
+Vout
No pin
Common
-Vout
-Vout
Unit: mm [inch]
Tolerance:±0.5[0.02]
Specifications subject to change without notice.
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Rev:20131002A
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Isolated DC-DC Converters
MUA15 Series -- 15 Watt
Bothhand USA
Test Configurations
All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
A
A
DC
Power Supply
DC/DC
converter
V
V
Load
◎DC Power Supply: It offers a wide voltage and current range precisely.
◎Current meter (A): Accuracy 200μA ~ 200mA 4 ranges+(0.2% rdg + 2 digits)
2000mA ~ 20A 2 ranges+(0.3% rdg + 2 digits).
◎Voltage meter (V): Accuracy +(0.03% rdg + 4 digits).
◎Load: At full load.
◎Wires: The resistance of the wires must be small.
1. Input voltage range: Narrow input voltage range(±10%)、wide input voltage range (2:1 and 4:1)。
EX: Narrow input voltage range(±10%)
5V nominal input 
4.5~5.5V
12V nominal input 
10.8~13.2V
24V nominal input 
21.6~26.4V
Wide input voltage range 2:1
5V nominal input 
12V nominal input 
24V nominal input 
48V nominal input 
4.5~9V
9~18V
18~36V
36~75V
Wide input voltage range 4:1 (W)
24V nominal input 
9~36V
48V nominal input 
18~75V
2. Input power :
Pin = Vin x Iin
Vin:Input voltage
Iin:Input current
Pout = Vout x Iout
Vout:Output voltage
Iout:Output current
3. Output power :
4. Efficiency :
Efficiency =
Pout
Pin
x100%
Pout: Output power
Pin: Input power
5. Voltage accuracy:
│Vout-Vout(nominal)│
Vout
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x100%
Vout:Output voltage
Vout(nominal):Nominal output voltage
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Rev:20131002A
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Isolated DC-DC Converters
MUA15 Series -- 15 Watt
Bothhand USA
│
│
6. Line regulation: (1) Wide input voltage range and regulated output voltage series.
│Vout(LL)-Vout(HL)│
LL: Low Line input voltage
x100%
HL: High Line input voltage
Vout(LL)
(2) Narrow input voltage range(±10%)and unregulated output voltage series.
Line regulation=
ΔVout
ΔVin
ΔVout = Vout(+10%)-Vout(-10%) x100%
Vout
Vout(+10%):Output voltage at Vin = 1.1xVin(nominal)&full load
Vout(-10%):Output voltage at Vin = 0.9xVin(nominal)&full load
Vout:Output voltage at Vin = Vin(nominal)&full load
ΔVin = Vin(+10%)-Vin(-10%) x100%
Vin(nominal)
Vin(+10%):Input voltage = 1.1xVin(nominal)
Vin(-10%):Input voltage = 0.9xVin(nominal)
Vin(nominal):Nominal Input voltage
7. Load regulation :
│Vout(FL)-Vout(NL)│ x100%
Vout(FL)
Vout(FL): Output voltage at full load
Vout(NL): Output voltage at 25% full load or 10% full load
8. Ripple and Noise: as shown below. The bandwidth is 0-20MHz.
Ripple&Noise
Noise
Ripple
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Rev:20131002A
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Isolated DC-DC Converters
MUA15 Series -- 15 Watt
Bothhand USA
Output Ripple&Noise measurement test circuit: as shown below.
Copper strip
DC/DC
converter
Co
Load
Oscilloscope
Copper strip
Co: usually 0.47uF.
9. Temperature derating curve: The DC-DC converter will operate over a wider temperature range if less power is
drawn from the output and the device is already running. The temperature derating curve shows the operating
Output Power (%)
power-temperature range. As shown below.
120
100
80
60
40
20
0
71
-55
-35
-15
5
25
45
65
95
85
105 125
Ambient Temp.TA (℃
10. Switching frequency: The nominal operating frequency of the DC-DC converters.
11. Input to output isolation: The dielectric breakdown strength test between input and output circuits. This is the
isolation voltage the device is capable of withstanding for a specified time, usually 1 second or 1 minute.
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Rev:20131002A
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