MICRODC WRF4809YS-1W

WRE-YS-1W&WRF-YS-1W Series
1W, WIDE INPUT,ISOLATED&REGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
SPRODUCT PROGRAM
Input
Part Number
FEATURES
Efficiency up to 81%
◆
2:1 wide input voltage range
◆
I/O Isolation 3000VDC
◆
Short circuit protection(automatic recovery)
◆
External On/Off control
◆
Internal SMD construction
◆
Operating temperature: -40℃to +85℃
◆
◆
◆
UL94-V0 package
RoHS Compliance
MODEL SELECTION
①
②
③
④
⑤
⑥
WR
WRF
F 24 05 Y S -1W
①Product Series
③Output Voltage
⑤Package Style
②Input Voltage
④Wide (2:1) Input Range
⑥Rated Power
Output
Voltage
Voltage(VDC)
Efficiency
Current(MA)
(%,Typ)
(VDC)
Max
Min
11
±5
±100
±10
72
11
±12
±42
±4
76
4.5-9.0
11
±15
±33
±3
75
5
4.5-9.0
11
5
200
20
72
WRF0509YS-1W
5
4.5-9.0
11
9
111
11
74
WRF0512YS-1W
5
4.5-9.0
11
12
83
8
76
WRF0515YS-1W
5
4.5-9.0
11
15
67
7
75
WRE1205YS-1W
12
9.0-18
22
±5
±100
±10
76
WRE1212YS-1W
12
9.0-18
22
±12
±42
±4
80
WRE1215YS-1W
12
9.0-18
22
±15
±33
±3
80
WRF1205YS-1W
12
9.0-18
22
5
200
20
76
WRF1209YS-1W
12
9.0-18
22
9
111
11
78
WRF1212YS-1W
12
9.0-18
22
12
83
8
80
WRF1215YS-1W
12
9.0-18
22
15
67
7
80
WRE2405YS-1W
24
18-36
40
±5
±100
±10
78
WRE2412YS-1W
24
18-36
40
±12
±42
±4
81
WRE2415YS-1W
24
18-36
40
±15
±33
±3
81
WRF2405YS-1W
24
18-36
40
5
200
20
76
WRF2409YS-1W
24
18-36
40
9
111
11
78
WRF2412YS-1W
24
18-36
40
12
83
8
81
WRF2415YS-1W
24
18-36
40
15
67
7
81
WRE4805YS-1W
48
36-72
80
±5
±100
±10
76
WRE4812YS-1W
48
36-72
80
±12
±42
±4
80
WRE4815YS-1W
48
36-72
80
±15
±33
±3
80
WRF4805YS-1W
48
36-72
80
5
200
20
76
WRF4809YS-1W
48
36-72
80
9
111
11
78
WRF4812YS-1W
48
36-72
80
12
83
8
80
WRF4815YS-1W
48
36-72
80
15
67
7
80
Nominal
Range
Max*
WRE0505YS-1W
5
4.5-9.0
WRE0512YS-1W
5
4.5-9.0
WRE0515YS-1W
5
WRF0505YS-1W
*Input voltage can't exceed this value, or will cause the permanent damage.
DESCRIPTION
The WRE-YS-1W&WRF-YS-1W Series are
specially designed for applications where a wide
range input voltage power supplies are isolated
from the input power supply in a distributed
power supply system on a circuit board.
These products apply to:
1) Where the voltage of the input power supply
is wide range (voltage range≤2:1);
2) Where isolation is necessary between input
and output(isolation voltage≤3000VDC);
3) Where the regulation of the output voltage
and the output ripple noise are demanded.
COMMON SPECIFICATIONS
Item
Test conditions
Storage humidity
Min.
Operating temperature
-40
Storage temperature
-55
Lead temperature
Units
%
°C
15
1.5mm from case for 10 seconds
300
No-load power consumption
120
mW
Cooling
Free air convection
Short circuit protection
Continuous, automatic recovery
Case material
MTBF
Plastic(UL94-V0)
1000
Weight
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Max
95
Temp. Rise at full load
MICRODC RESERVES THE COPYRIGHT
Ty
Test Conditions
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
K hour
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Page 1 of 3
g
WRE-YS-1W&WRF-YS-1W Series
APPLICATION NOTE
ISOLATION SPECIFICATIONS
Item
Test Conditions
Min.
Isolation voltage
Tested for 1 minute and 1mA max
3000
Isolation resistance
Test at 500VDC
1000
Isolation capacitance
100KHz,1V
Typ.
Max.
Units
Temperature Derating Graph
VDC
MΩ
35
pF
OUTPUT SPECIFICATIONS
Item
Test conditions
Output power
Min.
Typ.
Max.
Units
1
W
±1
±3
0.1
Positive voltage accuracy
Refer to recommended circuit
Negative voltage accuracy
Refer to recommended circuit
±3
±5
10% to 100% load(WRF_YS-1W)
±0.5
±0.75
10% to 100% load(WRE_YS-1W)*
±0.75
±1.0
±0.2
Load regulation
Line regulation
Input voltage from Low To high
Temperature Drift (Vout)
Refer to recommended circuit
Ripple & Noise**
20MHz Bandwidth
25
Switching frequency
Input voltage range 100% load
300
%
±0.5
±0.03
%/℃
75
mVp-p
KHz
*Dual output models unbalanced load (25/100%): ±5%Max.
RECOMMENDED CIRCUIT
Single Output
**Test ripple and noise by " Parallel cable " method.
See detailed operation instructions at Testing of Power Converter section, application notes.
TYPICAL TEMPERATURE CURVE
1) Recommended circuit
If you want to further decrease the input/output ripple, an "LC" filtering
network may be connected to the input and output ends of the DC/DC
converter, see (Figure 1).
However, the capacitance of the output filter capacitor must be proper. If the
capacitance is too big, a startup problem might arise. For every channel of
output, provided the safe and reliable operation is ensured, the greatest
capacitance of its filter capacitor sees (Table 1). General:
Cin:
5V,12V
100µF
24V,48V
10µF
Cout:
47µF (Typ.)
Lin:
4.7µH-120µH
Lout:
2.2µH-10µH
Cs:
10µH-22µF
2) CTRL Terminal
When open or high impedance,the converter work well; When this pin is "high"
the converter shutdown; It should be note that the input current (Ic) should
between 5-10mA,exceeding the maximum 20mA will cause permanence
damage to the converter. The value of R Can be derived as follows :
R=
V − V − 1 .0
Ic
3) Input current
While using unstable power source, please ensure the output voltage and
ripple voltage do not exceed indexes of the converter. The preceding power
source must be able to provide for converter sufficient starting current Ip
(Figure 2).
General: Ip ≤1.4Iin-max
4) No parallel connection or plug and play
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External Capacitor Table(Table 1)
Single Vout
Cout
Dual Vout
Cout
(VDC)
(μF)
(VDC)
(μF)
5
680
±5
330
9
560
±9
270
12
470
±12
220
15
330
±15
150
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 2 of 3
WRE-YS-1W&WRF-YS-1W Series
OUTLINE DIMENSIONS ＆ FOOTPRINT DETAILS
RECOMMENDED FOOTPRINT
mm(0.1inch)
diameter:1.00mm(0.039inch)
MECHANICAL DIMENSIONS
TUBE OUTLINE DIMENSIONS
FOOTPRINT DETAILS
Pin
Single
Dual
1
GND
GND
2
Vin
Vin
3
CTRL
CTRL
5
NC
NC
6
+Vo
+Vo
7
0V
0V
8
CS
-Vo
Use dual output simultaneously, forbid opening output pin (0V)
to use as single output.
NC:No connection
Note:
1. The load shouldn't be less than 10%, otherwise ripple will increase dramatically.
2. Operation under 10% load will not damage the converter; However, they may not meet all specification listed.
3. All specifications measured at Ta=25 ℃ , humidity<75%, nominal input voltage and rated output load unless otherwise
specified.
4. In this datasheet, all the test methods of indications are based on corporate standards.
5. Only typical models listed, other models may be different, please contact our technical person for more details.
RoHS COMPLIANT INFORMATION
This series is compatible with RoHS soldering systems with a peak wave solder temperature
of 300°C for 10 seconds.
The pin termination finish on the SIP package type is Tin Plate, Hot Dipped over Matte Tin
with Nickel Preplate. The DIP types are Matte Tin over Nickel Preplate. Both types in this
series are backward compatible with Sn/Pb soldering systems.
Microdc Professional Power Module,Inc.
Tel:0086-20-86000646
E-mail:[email protected]
Website:http://www.microdc.cn
REACH COMPLIANT INFORMATION
This series has proven that this product does not contain harmful chemicals, it also has
harmful chemical substances through the registration, inspection and approval.
http://www.microdc.cn
Technical Enquiries-Email:[email protected] Tel:0086-20-86000646
Page 3 of 3