BOB3-12S3H3 [BOTHHAND]
Isolated DC-DC Converters;型号: | BOB3-12S3H3 |
厂家: | BOTHHAND USA, LP. |
描述: | Isolated DC-DC Converters |
文件: | 总7页 (文件大小:925K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Isolated DC-DC Converters
BOB3H3 Series -- 3 Watt
Bothhand USA
Features
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ꢀ
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ꢀ
ꢀ
Wide 2 : 1 Input Voltage Range(9~18V,18~36V,36~75V)
Remote On/Off
Input / Output Isolation Voltage: 3.0kVDC
Extended Operating Temperature Range: -40°C to +85°C
Output Short Circuit Protection:
Description
The BOB3H3 Series are isolated 3W 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 2 : 1 input voltage range,
remote on/off control, short-circuit protection and over
voltage protection.
Continuous & Auto Recovery
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ꢀ
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Over Voltage Protection: Clamp Mode
Shielded Metal Case with Insulated Baseplate
Lead Free Design, RoHS Compliant
24pin DIP Package with Industry-Standard Footprint
Customer Design Available
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 All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
Output
Voltage
(V)
Output Current (mA)
Input Current (mA)
No Load Full Load
14 281
Model
Number
Input Voltage
Range
Eff .(2) Capacitive
Load, max.
(%)
Min. Load(1)
Full. Load
(3) (uF)
BOB3-12S0H3
BOB3-12S1H3
BOB3-12S2H3
BOB3-12S3H3
BOB3-12D1H3
BOB3-12D2H3
BOB3-12D3H3
BOB3-24S0H3
BOB3-24S1H3
BOB3-24S2H3
BOB3-24S3H3
BOB3-24D1H3
BOB3-24D2H3
BOB3-24D3H3
BOB3-48S0H3
BOB3-48S1H3
BOB3-48S2H3
BOB3-48S3H3
BOB3-48D1H3
BOB3-48D2H3
BOB3-48D3H3
3.3
5
23
0
750
600
250
200
300
125
100
750
600
250
200
300
125
100
750
600
250
200
300
125
100
77
79
81
80
80
81
80
79
80
82
81
80
82
81
77
78
80
80
79
80
80
820
680
182
100
330
82
21
24
25
21
27
35
8
333
325
329
329
325
329
138
164
160
162
164
160
162
71
12
15
5
0
9~18V
Nominal:12Vdc
0
2
12
15
3.3
5
0
0
47
23
0
820
680
182
100
330
82
10
12
14
11
16
17
5
12
15
5
0
18~36V
Nominal:24Vdc
0
2
12
15
3.3
5
0
0
47
23
0
820
680
182
100
330
82
7
84
12
15
5
0
8
82
36~75V
Nominal:48Vdc
0
8
82
2
9
83
12
15
0
10
12
82
0
82
47
Rev:20131220A
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Isolated DC-DC Converters
BOB3H3 Series -- 3 Watt
Bothhand USA
Input Specifications
12V nominal input
24V nominal input
48V nominal input
9-18V
18-36V
Input Voltage
Input filter
36-75V
Pi Type
25V
12V input
Input surge voltage
(100ms max.)
24V input
50V
48V input
100V
Input reflected ripple current
Start up time
Nominal Vin and full load
86mAp-p max.
Nominal Vin and constant resistive load
Converter: ON
1020ms max.
Open or 3.5V<Vr<12V
Short (4) or 0V<Vr<1.2V
<0.2 mA
Remote ON/OFF
Converter: OFF
Sourcing current of remote control pin
Idle input current (at Remote OFF state)
Nominal Vin
<2.5 mA
Nominal Vin
Environmental Specifications
Operating ambient temperature
Maximum case temperature
-40°C to +85°C (with derating)
+100°C
Storage temperature range
Relative humidity
-55°C to +105°C
5% to 95% RH
Temperature coefficient
0.02% / °C max.
Output Specifications
Output power
3 Watts max.
2%
Voltage accuracy
Minimum load
Full load and nominal Vin
LL to HL at full load
See table
0.5%
Line regulation
25% load to full load
Balanced load
Single
Dual
0.5%
Load Regulation
0.5%
Unbalanced load 25% to 100% full load
20MHz bandwidth
3%
Ripple and Noise
60mVp-p max.
3.3Vout models
5Vout models
12Vout models
15Vout models
3.9V
Over voltage protection
(Zener Diode Clamp)
6.2V
15V
18V
See table
Capacitive load
Over load protection
Short circuit protection
% of full load at nominal input
150% typ.
Continuous, automatic recovery
Transient response settling time
Transient response over shoot
50% load step change
1600ꢀs max.
≤ 3% of Vo
di/dt=0.8A/ꢀs
General Specifications
Efficiency
Nominal input
See table
Rev:20131220A
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Isolated DC-DC Converters
BOB3H3 Series -- 3 Watt
Bothhand USA
Isolation voltage
Input to output
3000VDC
10 9 Ohms min.
280pF typ.
Isolation resistance
500 VDC
Isolation capacitance
Switching frequency
Reliability, calculated MTBF
300kHz typ.
2.53 × 10 6 Hrs
Physical Specifications
Case material
Nickel-coated copper
Non-conductive black plastic
Silicon rubber (UL94V-0)
1.25 × 0.80 × 0.40 Inch
(31.75 × 20.32 × 10.16 mm)
17.2g (0.59oz) typ.
Base material
Potting material
Dimensions
Weight
BOB3H3 Series
Power Derating Curve(5)
Ambient Temp.TA (℃)
BOB3-48S1H3
Input voltage vs. Efficiency
BOB3-48S1H3
Output Current vs. Efficiency
85
80
75
70
65
60
55
50
45
85
80
75
70
65
60
55
50
45
36
40
44
48
52
56
60
64
68
75
Input voltage (V)
Output Current (A)
Rev:20131220A
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Isolated DC-DC Converters
BOB3H3 Series -- 3 Watt
Bothhand USA
BOB3-48S1H3
BOB3-48S1H3
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 BOB3-48S1H3.
Mechanical Dimensions
Pin Assignment
Pin
1
Single
Dual
Remote On/Off Remote On/Off
2
-Vin
-Vin
-Vin
-Vin
3
9
No pin
No function
+Vout
-Vout
Common
-Vout
11
14
16
22
23
+Vout
Common
+Vin
+Vin
+Vin
+Vin
Unit: mm [inch]
Tolerance:±0.5[0.02]
Specifications subject to change without notice.
Rev:20131220A
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Isolated DC-DC Converters
BOB3H3 Series -- 3 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
Load
V
V
◎DC Power Supply: It offers a wide voltage and current range precisely.
◎Current meter (A): Accuracyꢁ 200μA ~ 200mA 4 ranges+(0.2% rdg + 2 digits)
2000mA ~ 20A 2 ranges+(0.3% rdg + 2 digits).
◎Voltage meter (V): Accuracyꢁ +(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
12V nominal input
24V nominal input
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ꢁ
ꢁ
4.5~5.5V
10.8~13.2V
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
48V nominal input
ꢁ
ꢁ
9~36V
18~75V
2. Input power :
Pin = Vin x Iin
Vin:Input voltage
Iin:Input current
3. Output power :
Pout = Vout x Iout
Vout:Output voltage
Iout:Output current
4. Efficiency :
Pout
Pin
x100%
Efficiency =
Pout: Output power
Pin: Input power
5. Voltage accuracy:
x100%
│Vout-Vout(nominal)│
Vout
Vout:Output voltage
Vout(nominal):Nominal output voltage
Rev:20131220A
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Isolated DC-DC Converters
BOB3H3 Series -- 3 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.
ΔVout
Line regulation=
ΔVin
Vout(+10%)-Vout(-10%) x100%
Vout
ΔVout =
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
Vin(+10%)-Vin(-10%)
Vin(nominal)
x100%
ΔVin =
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)│
Vout(FL)
x100%
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
Rev:20131220A
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Isolated DC-DC Converters
BOB3H3 Series -- 3 Watt
Bothhand USA
Output Ripple&Noise measurement test circuit: as shown below.
Copper strip
DC/DC
Oscilloscope
Load
Co
converter
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
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.
Rev:20131220A
Page 7 of 7
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