BOB5 Series 20130813A

PRELIMINARY
Isolated DC-DC Converters
BOB5 Series -- 5 Watt
Bothhand USA
Features
Wide 2 : 1 Input Voltage Range(4.5~9V,9~18V,18~36V,36~75V)
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
The BOB5 Series are isolated 5W DC/DC converters. Designed
Over Voltage Protection: Clamp Mode
with highly efficiency, allow the operating temperature range of
Meet EN55022, Class A (Radiation)
these units to be -40°C to +85°C in a 24 pin DIP package with
Shielded Metal Case with Insulated Baseplate
industry-standard footprint. Further features include wide 2 : 1
input voltage range, remote on/off control, short-circuit protection
Lead Free Design, RoHS Compliant
24pin DIP Package with Industry-Standard Footprint 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
BOB5-05S0
BOB5-05S1
BOB5-05S2
BOB5-05S3
BOB5-05D1
BOB5-05D2
BOB5-05D3
BOB5-12S0
BOB5-12S1
BOB5-12S2
BOB5-12S3
BOB5-12D1
BOB5-12D2
BOB5-12D3
BOB5-24S0
BOB5-24S1
BOB5-24S2
BOB5-24S3
BOB5-24D1
BOB5-24D2
BOB5-24D3
BOB5-48S0
BOB5-48S1
BOB5-48S2
BOB5-48S3
BOB5-48D1
BOB5-48D2
BOB5-48D3
Input Voltage
Range
4.5~9V
Nominal:5V
9~18V
Nominal:12V
18~36V
Nominal:24V
36~75V
Nominal:48V
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All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
Output
Output Current (mA)
Input Current (mA)
Eff .(2) Capacitive
max.
Voltage
(1)
(%) Load,
(3)
Min. Load
Full. Load
No Load
Full Load
(V)
(uF)
3.3
0
1200
46
1115
75
14700
5
0
1000
45
1351
78
6900
12
0
500
42
1558
81
1660
15
0
400
65
1558
81
880
±5
0
±500
55
1351
78
2200
±12
0
±250
76
1600
79
330
±15
0
±200
77
1579
80
330
3.3
5
12
15
±5
±12
±15
3.3
5
12
15
±5
±12
±15
3.3
5
12
15
±5
±12
±15
12
10
0
0
0
0
0
17
0
0
0
0
0
0
0
0
0
0
0
0
0
1200
1000
500
400
±500
±250
±200
1200
1000
500
400
±500
±250
±200
1200
1000
500
400
±500
±250
±200
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21
22
25
27
22
31
32
10
10
12
14
12
17
17
6
6
7
8
7
9
9
440
541
625
617
541
625
617
223
267
313
313
271
316
313
111
135
156
156
135
156
156
Rev:20130813A
79
81
84
85
81
84
85
78
82
84
84
81
83
84
78
81
84
84
81
84
84
4700
2630
330
220
1100
132
69
3200
3080
377
230
990
122
194
3750
2730
277
147
1330
230
132
Page 1 of 7
PRELIMINARY
Isolated DC-DC Converters
BOB5 Series -- 5 Watt
Bothhand USA
Input Specifications
Input Voltage
5V nominal input
4.5-9V
12V nominal input
9-18V
24V nominal input
18-36V
48V nominal input
36-75V
Pi Type
Input filter
5V input
10V
12V input
25V
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
100mAp-p typ.
730ms 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
<2.5 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
EMC Characteristics
EN55022 (radiation)
EMI
Meet class A
Output Specifications
6 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
±1%
Dual
±0.5%
Unbalanced load 25% to 100% full load
Ripple and Noise
20MHz bandwidth
±3%
60mVp-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
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% of full load at nominal input
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150% typ.
Rev:20130813A
Page 2 of 7
PRELIMINARY
Isolated DC-DC Converters
BOB5 Series -- 5 Watt
Bothhand USA
Short circuit protection
Continuous, automatic recovery
490µs typ.
Transient response settling time
50% load step change
Transient response over shoot
di/dt=0.8A/µs
≤ ±5% of Vo
Efficiency
Nominal input
See table
Isolation voltage
Input to output
General Specifications
Isolation resistance
1500VDC
9
500VDC
10 Ohms min.
Isolation capacitance
280pF typ.
Switching frequency
300kHz typ.
6
Reliability, calculated MTBF
2.40 × 10 Hrs
Physical Specifications
Case material
Nickel-coated copper
Base material
Non-conductive black plastic
Silicon rubber (UL94V-0)
Potting material
1.25 × 0.80 × 0.40 Inch
Dimensions
(31.75 × 20.32 × 10.16 mm)
Weight
17.2g (0.59oz) typ.
BOB5 Series
Output Power (%)
Power Derating Curve(5)
Ambient Temp.TA (℃)
BOB5-48S1
Output Current vs. Efficiency
Efficiency (%)
Efficiency (%)
BOB5-48S1
Input voltage vs. Efficiency
Input voltage (V)
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Output Current (A)
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Rev:20130813A
Page 3 of 7
PRELIMINARY
Isolated DC-DC Converters
BOB5 Series -- 5 Watt
Bothhand USA
BOB5-48S1
BOB5-48S1
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.
4. Short to -Vin (Pin 2,3).
5. Based on BOB5-48S1.
Mechanical Dimensions
Pin
1
2
3
9
11
14
16
22
23
Pin Assignment
Single
Dual
Remote On/Off Remote On/Off
-Vin
-Vin
-Vin
-Vin
No pin
Common
No function
-Vout
+Vout
+Vout
-Vout
Common
+Vin
+Vin
+Vin
+Vin
Unit: mm [inch]
Tolerance:±0.5[0.02]
Specifications subject to change without notice.
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Rev:20130813A
Page 4 of 7
PRELIMINARY
Isolated DC-DC Converters
BOB5 Series -- 5 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:20130813A
Page 5 of 7
PRELIMINARY
Isolated DC-DC Converters
BOB5 Series -- 5 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=
Δ Vout
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 :
│ x100%
│Vout(FL)-Vout(NL)│
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:20130813A
Page 6 of 7
PRELIMINARY
Isolated DC-DC Converters
BOB5 Series -- 5 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:20130813A
Page 7 of 7
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