BUB12W Series 20130813A

Isolated DC-DC Converters
BUB12W Series -- 12 Watt
Bothhand USA
Features
Wide 4 : 1 Input Voltage Range(9~36V,18~75V)
Remote On/Off
Input / Output Isolation Voltage: 1.5K VDC
Extended Operating Temperature Range: -40°C to +85°C
Output Short Circuit Protection:
Description
Continuous & Auto Recovery
Over Voltage Protection: Clamp Mode
Shielded Metal Case with Insulated Baseplate
Lead Free Design, RoHS Compliant
6 pin DIP Package with Industry-Standard Footprint
The BUB12W Series are isolated 12W DC/DC converters.
Designed with highly efficiency, allow the operating
temperature range of these units to be -40°C to +85°C in
a 6 pin DIP package with industry-standard footprint.
Further features include wide 4 : 1 input voltage range,
remote on/off control, short-circuit protection and over
voltage protection.
Customer Design Available
Applications
Safety Standard / Approval : IEC / EN 60950-1
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
Input Voltage
Range
All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
Output
(2) Capacitive
Output Current (mA)
Input Current (mA)
Eff .
Voltage
Load, max.
(1)
(%)
(3)
Min. Load
Full. Load
No Load
Full Load
(V)
(uF)
BUB12-24S0W
3.3
203
2400
5.4
438
80
8260
BUB12-24S1W
5
73
2000
6.3
543
81
8800
12
0
1000
14.2
615
85
530
15
18
800
9.1
613
86
347
BUB12-24D1W
±5
33
±1000
7.5
531
83
1800
BUB12-24D2W
±12
13
±500
13.4
606
87
200
BUB12-24D3W
±15
9
±400
9.9
612
86
147
BUB12-48S0W
3.3
243
2400
3.6
221
80
10550
BUB12-48S1W
5
89
2000
5.6
269
81
13720
12
33
1000
6.6
303
87
730
15
18
800
5.6
303
87
330
BUB12-48D1W
±5
33
±1000
5.3
261
84
2600
BUB12-48D2W
±12
18
±500
7
302
87
270
BUB12-48D3W
±15
9
±400
6.2
304
86
147
BUB12-24S2W
BUB12-24S3W
BUB12-48S2W
BUB12-48S3W
9~36V
Nominal:24V
18~75V
Nominal:48V
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Rev:20111021A
Page 1 of 7
Isolated DC-DC Converters
BUB12W Series -- 12 Watt
Bothhand USA
Input Specifications
Input Voltage
24V nominal input
9-36V
48V nominal input
18-75V
Input filter
Pi Type
Input surge voltage
24V input
50V
(100ms max.)
48V input
100V
Input reflected ripple current
Nominal Vin and full load
Start up time
Nominal Vin and constant resistive load
Remote ON/OFF
186mAp-p typ.
350ms typ.
Open or 3.5V<Vr<12V
Converter: ON
Short
Converter: OFF
(4)
or 0V<Vr<1.2V
Sourcing current of remote control pin
Nominal Vin
<0.2 mA
Idle input current (at Remote OFF state)
Nominal Vin
<3 mA
Environmental Specifications
-40°C to +85°C (with derating)
Operating ambient temperature
+100°C
Maximum case temperature
-55°C to +105°C
Storage temperature range
5% to 95% RH
Relative humidity
±0.02% / °C max.
Temperature coefficient
Output Specifications
12 Watts max.
Output power
Voltage accuracy
Full load and nominal Vin
±1%
See table
Minimum load
Line regulation
LL to HL at full load
25% load to full load
Load Regulation
Balanced load
±0.5%
Single
±0.5%
Dual
±0.5%
Unbalanced load 25% to 100% full load
Ripple and Noise
±5%
20MHz bandwidth
70mVp-p max.
3.3Vout models
3.9V
Over voltage protection
5Vout models
6.2V
(Zener Diode Clamp)
12Vout models
15V
15Vout models
18V
See table
Capacitive load
Over load protection
% of full load at nominal input
Continuous, automatic recovery
Short circuit protection
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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500Us typ.
≤ ±5% of Vo
Rev:20111021A
Page 2 of 7
Isolated DC-DC Converters
BUB12W Series -- 12 Watt
Bothhand USA
General Specifications
Efficiency
Nominal input
See table
Isolation voltage
Input to output
1500VDC
Isolation resistance
500VDC
Isolation capacitance
9
10 Ohms min.
24V nominal input
220pF typ.
48V nominal input
400pF typ
300kHz typ.
Switching frequency
6
Reliability, calculated MTBF
1.96× 10 Hrs
Physical Specifications
Case material
Nickel-coated copper
Base material
Non-conductive black plastic
Silicon rubber (UL94V-0)
Potting material
2.0 × 1.0 × 0.4 Inch
Dimensions
(50.8 × 25.4 × 10.2 mm)
Weight
32.0g (1.13oz) typ.
BUB12WSeries
(5)
Output Power (%)
Power Derating Curve
Ambient Temp.TA (℃)
BUB12-48S1W
Output Current vs. Efficiency
Efficiency (%)
Efficiency (%)
BUB12-48S1W
Input voltage vs. Efficiency
Input voltage (V)
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Output Current (A)
Rev:20111021A
Page 3 of 7
Isolated DC-DC Converters
BUB12W Series -- 12 Watt
Bothhand USA
BUB12-48S1 W
Transient Response at 50%~100% Max Load
BUB12-48S1W
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.
4. Short to -Vin (Pin 2).
5. Based on BUB12-48S1W.
Mechanical Dimensions
Pin
1
2
3
4
5
6
Pin Assignment
Single
Dual
+Vin
+Vin
-Vin
-Vin
+Vout
+Vout
No pin
Common
-Vout
-Vout
Remote On/Off Remote On/Off
(optional)
(optional)
Unit: mm [inch]
Tolerance:±0.5[0.02]
Specifications subject to change without notice.
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Rev:20111021A
Page 4 of 7
Isolated DC-DC Converters
BUB12W Series -- 12 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:20111021A
Page 5 of 7
Isolated DC-DC Converters
BUB12W Series -- 12 Watt
││││
││││
Bothhand USA
6. Line regulation: (1) Wide input voltage range and regulated output voltage series.
│
│Vout(LL)-Vout(HL)│
Vout(LL)
LL: Low Line input voltage
HL: High Line input voltage
x100%
(2) Narrow input voltage range(±10%)and unregulated output voltage series.
Δ Vout
Line regulation=
Δ Vin
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:20111021A
Page 6 of 7
Isolated DC-DC Converters
BUB12W Series -- 12 Watt
Bothhand USA
Output Ripple&Noise measurement test circuit: as shown below.
Copper strip
DC/DC
converter
Co
Oscilloscope
Load
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
Output Power (%)
drawn from the output and the device is already running. The temperature derating curve shows the operating
power-temperature range. As shown below.
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:20111021A
Page 7 of 7
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