security facilities, radio and television appliances
power isolation & transform
u
RS485/232, CAN bus interface, power supply isolation
and other digital communication circuit
u
Power ground circulation & interference suppression
General Description
IB/IF-1W series built-in high efficiency LDO linear
regulator, excellent ripple index, is B/F-1W series
upgraded version, more suitable indicator of the ripple
requirements of high precision applications , for example
to the op amp power supply. IB and IF series also offers a
variety of standard voltage combinations, isolation
voltage 1.5/3.0kVdc two grades.
Functional
原理框图
Diagram
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Vin
GND
Product Series
IB :
isolated 1.5kVdc single
IF:
isolated 3.0kVdc single
05 = 5Vdc
12 = 12Vdc
24 = 24Vdc
48 = 48Vdc
r
o
C
o
p
Reg
n
io
t
a
r
+Vo
-Vo
Selection Guide
IB 05 05 LS
-
1W
Input Voltage
Output Voltage
03 = 3.3Vdc
05 = 5Vdc
09 = 9Vdc
12 = 12Vdc
15 = 15Vdc
Package Style
LS:
single in-line
Rated Power
1W = 1Watt
·The
copyright and authority for the interpretation of the products are reserved by Delus Corporation
·All
specifications are subject to change without notice
DBN - 201.V1.2012.02.20
1/4
IB-1W & IF-1W Series
1w, fixed input, isolated & regulated single output dc-dc converter
Output Specifications
Item
Output Power
Line Regulation
Load Regulation
Test Conditions
Ta= - 40-+71
℃
For vin change of ±5%
Nominal, 10%-100% load
Min
0.1
Typ
Max
1
±0.25
±1.0
±3
0.03
10
80
100
50
130
%/
℃
mVp-p
KHz
%
Units
W
3. O utput filter
The DC/DC without any external filter
components in the case that can be stable and
reliable work. If you want to further reduce
ripple and improve the EMC, please connect a
external filter circuit at the inputs and outputs
(see figure). General, recommended values 10-
100uF with input capacitor, and recommended
values with output capacitor see the following
table.
Lin
Vin
Cin
DC
DC
Lout
+Vo
Output Voltage Accuracy Nominal, 100% load
Temperature Drift
Nominal, 100% load
Ripple & Noise
Switching Frequency
Short Circuit Protection
DC - 20MHz bandwidth
Nominal, 100% load
Continuous, Automatic Recovery
GND
Isolation Specifications
Item
Isolation Resistance
Isolation Voltage
IB
IF
Test Conditions
Test at 500Vdc
Tested for 1S and 1mA max
Min
1000
1500
3000
Typ
Max
Units
MΩ
Vdc
“Lin, Lout” not required, recommended values
4.7-22uH
Table 1
Cin
Cout
3.3V
5V
9V
10uF
10uF
Common Specification
Item
Test Conditions
Operating Temperature Ta>71
℃
Derating
Maximum Case Temp.
Storage Temperature
Lead Temperature
Storage Humidity
Case Material
1.5mm from case for 10 seconds
Absolute Maximum
Input Voltage Maximun
Application Note
1. Input polarity protection
The series product no positive & negative reverse polarity protection, solution is the input
series in a diode.
2. Requirement On Output Load
To ensure this module can operate efficiently and reliably, during operation, the minimum
output load is not less than 10% of the full load, and that
this product should never be
operated under no load!
If the actual output power is very small, please connect a resistor
with proper resistance at the output end in parallel to increase the load.
s
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D
05V input models
12V input models
24V input models
48V input models
r
o
C
−45
−50
+85
50
+130
+300
95
-0.7½7Vdc
-0.7½15Vdc
-0.7½28Vdc
-0.7½54Vdc
Min
Typ
Max
o
p
Units
℃
10½100uF
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a
r
Cout
-Vo
4.7uF
2.2uF
1uF
1uF
12V
15V
24V
%
Black Plastic (UL94V-0)
It’s not recommended to connect any external
capacitor in the application field with less than
0.5 watt output.
If the maximum external output capacitor still
does not meet your requirements of ripple may
be required connect the filter inductor (see
figure), Lout values recommended 4.7-100uH.
It should be noted "LC" filtering network
natural frequency should be staggered with
the DC/DC operating frequency to avoid
mutual interference.
4. On derating
When the environmental temperature exceeds
71
℃
the module must be derating use, please
refer to derating curve.
Temperature Derating Curve
120
100
71
Output Power(%)
80
60
40
20
0
-40
0
40
80
Safe Operating Area
85
Ambient Temperature(℃)
5. This product cannot be used in parallel, can
not hot-swappable.
·The
copyright and authority for the interpretation of the products are reserved by Delus Corporation
·All
specifications are subject to change without notice
DBN - 201.V1.2012.02.20
2/4
IB_LS-1W & IF_LS-1W Series
1w, fixed input, isolated & regulated single output dc-dc converter
Product Program
Input
Model
IB0503LS-1W
IB0505LS-1W
IB0509LS-1W
IB0512LS-1W
IB0515LS-1W
IB1203LS-1W
IB1205LS-1W
IB1209LS-1W
IB1212LS-1W
IB1215LS-1W
IB2403LS-1W
IB2405LS-1W
IB2409LS-1W
IB2412LS-1W
IB2415LS-1W
IF0503LS-1W
IF0505LS-1W
IF0509LS-1W
IF0512LS-1W
IF0515LS-1W
IF1203LS-1W
IF1205LS-1W
IF1209LS-1W
IF1212LS-1W
IF1215LS-1W
IF2403LS-1W
IF2405LS-1W
IF2409LS-1W
IF2412LS-1W
IF2415LS-1W
24
22.8½25.2
5
4.75½5.25
24
22.8½25.2
12
11.4½12.6
5
4.75½5.25
Voltage(Vdc)
Nominal
Range
Nominal
3.3
5
9
12
15
3.3
5
9
12
15
3.3
5
9
12
15
3.3
5
9
12
Output
Voltage(Vdc)
Current(mA) Ripple
Max
200
200
100
83
67
200
200
100
83
67
200
200
100
83
67
Min
20
20
10
9
7
20
20
10
9
7
20
20
10
9
7
(mVp-p)
Eff
(%)
67
70
71
72
72
67
70
71
72
72
67
70
71
72
Certificate
Mechanical Dimensions
First Angle Projection
Weight: 2.1g
19.60
T=6.00
12.70
0.5
10.20
4.10
Isolation: 1500Vdc
200
200
100
83
67
s
lu
e
D
15
3.3
5
9
12
11.4½12.6
12
15
3.3
5
9
12
15
r
o
C
72
20
20
9
67
71
70
10
7
72
72
20
20
10
9
7
20
20
10
9
7
67
70
71
72
72
67
70
71
72
72
o
p
Pin
T=6.00
10.20
4.10
Note: all size units mm, diameter of all terminal
0.5mm, distance between all adjacent
terminal 2.54mm
input or output voltage >= 24V, T=7.05mm
n
io
t
a
r
1101
2.18
IBxxxxLS-1W
4
6
1 2
1
Vin
2
GND
4
-Vo
6
+Vo
Weight: 2.1g
Function
19.60
2.18
15.24
0.5
200
200
100
83
67
200
200
100
83
67
1101
IFxxxxLS-1W
1 2
5
7
Isolation: 3000Vdc
Note: all size units mm, diameter of all terminal
0.5mm, distance between all adjacent
terminal 2.54mm
input or output voltage >= 24V, T=7.05mm
Pin
Function
1
Vin
2
GND
5
-Vo
7
+Vo
·The
copyright and authority for the interpretation of the products are reserved by Delus Corporation
·All
specifications are subject to change without notice
DBN - 201.V1.2012.02.20
3/4
File Release Notes
DBN-201 Technical Data Sheet Version
No.
1
2
3
4
5
Version
V0
V1
Data
2011/11/01
2012/02/20
Description
First release
The amendment IB/IF
xx03
LS-1W IB/IF
xx09
LS-1W current data errors
s
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o
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n
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1. All data in addition to particular things, are Ta = 25
℃
, humidity<75%, nominal input voltage and output measured at rated load;
2. Non-standard models with some of the following indicators may be different from the specific circumstances of the Secretary to direct contact with me;
3. In the use of this manual, if some of them do not quite understand terms please refer to our <<DC / DC Converter Application Guide>>;
4. The Company focused on technological improvements, product specifications and parameter updates without notice, to pay attention to the latest information on website:
www.delus.cn
All Delus Corporation’s products are manufactured, assembled and tested utilizing ISO9001 quality systems.
For information regarding Delus Corporation and its products please see www.delus.cn
·The
copyright and authority for the interpretation of the products are reserved by Delus Corporation
·All
specifications are subject to change without notice
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