BOB5W Series 20130814A

Isolated DC-DC Converters
BOB5W Series -- 5 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
Meet EN55022, Class A (Radiation)
Shielded Metal Case with Insulated Baseplate
Lead Free Design, RoHS Compliant
The BOB5W Series are isolated 5W DC/DC converters.
Designed with highly efficiency, allow the operating
temperature range of these units to be -40°C to +85°C in
a 24 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.
24pin DIP Package with Industry-Standard Footprint
Applications
Customer Design Available
Saftey Standard / Approval : IEC / EN60950-1
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
Output Current (mA)
Input Current (mA)
Eff .(2) Capacitive
Voltage
max.
(1)
(%) Load,
(3)
Min. Load
Full. Load
No Load
Full Load
(V)
(uF)
BOB5-24S0W
3.3
34
1200
4.6
226
77
6800
BOB5-24S1W
5
4
1000
9.7
274
80
7030
BOB5-24S2W
12
0
500
7.1
316
83
1220
15
0
400
10
321
82
430
±5
0
±500
9.2
271
81
4620
BOB5-24D2W
±12
0
±250
11.7
316
83
330
BOB5-24D3W
±15
0
±200
13
316
83
200
BOB5-48S0W
3.3
49.4
1200
2.8
116
75
4400
BOB5-48S1W
5
0
1000
4.9
139
79
5460
BOB5-48S2W
12
0
500
5
160
82
660
15
0
400
5.2
160
82
330
±5
0
±500
5.4
139
79
1660
BOB5-48D2W
±12
0
±250
6.8
160
82
220
BOB5-48D3W
±15
0
±200
7.4
160
82
147
9~36V
BOB5-24S3W Nominal:24V
BOB5-24D1W
18~75V
BOB5-48S3W Nominal:48V
BOB5-48D1W
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Rev:20130814A
Page 1 of 7
Isolated DC-DC Converters
BOB5W Series -- 5 Watt
Bothhand USA
Input Specifications
Input Voltage
24V nominal input
9-36V
48V nominal input
18-75V
Pi Type
Input filter
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
160mAp-p typ.
530ms 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
±2%
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
±1%
Unbalanced load 25% to 100% full load
Ripple and Noise
±5%
20MHz bandwidth
80mVp-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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560µs typ.
≤ ±5% of Vo
Rev:20130814A
Page 2 of 7
Isolated DC-DC Converters
BOB5W Series -- 5 Watt
Bothhand USA
General Specifications
Efficiency
Nominal input
See table
Isolation voltage
Input to output
1500VDC
Isolation resistance
500VDC
9
10 Ohms min.
Isolation capacitance
300pF 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.
BOB5WSeries
Output Power (%)
Power Derating Curve(5)
Ambient Temp.TA (℃)
BOB5-48S1W
Output Current vs. Efficiency
Efficiency (%)
Efficiency (%)
BOB5-48S1W
Input voltage vs. Efficiency
Input voltage (V)
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Output Current (A)
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Rev:20130814A
Page 3 of 7
Isolated DC-DC Converters
BOB5W Series -- 5 Watt
Bothhand USA
BOB5-48S1W
BOB5-48S1W
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 BOB5-48S1W.
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]
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Rev:20130814A
Page 4 of 7
Isolated DC-DC Converters
BOB5W Series -- 5 Watt
Bothhand USA
Specifications subject to change without notice.
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:20130814A
Page 5 of 7
Isolated DC-DC Converters
BOB5W Series -- 5 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.
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:20130814A
Page 6 of 7
Isolated DC-DC Converters
BOB5W 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:20130814A
Page 7 of 7
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