F_S-2WR2 Series
7 pin SIP Package, 2 Watt, Isolated, Unregulated
Features
7pin SIP Package with Industry-Standard Footprint
Input / Output Isolation Voltage: 3kVDC
High Efficiency
Lead Free Design, RoHS Compliant
Operating temperature: -40°C to +105°C
Meet Safety Standard / Approval: IEC / EN60950-1
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) (1)
Full Load
F0503S-2WR2
3.3
400
F0505S-2WR2
5
400
9
220
12
166
F0515S-2WR2
15
F0524S-2WR2
Input Current (mA)
Typ.
No Load Full Load
Eff .(%) (2)
Typ.
Capacitive Load,
max. (3) (uF)
338
78
68
500
80
47
477
83
33
475
84
22
133
475
84
22
24
83
475
84
10
F1203S-2WR2
3.3
400
143
77
68
F1205S-2WR2
5
400
208
80
47
9
220
199
83
33
12
166
198
84
22
F1215S-2WR2
15
133
198
84
22
F1224S-2WR2
24
83
198
84
10
Output
Voltage
(V)
Output Current
(mA) (1)
Eff .(%) (2)
Typ.
Capacitive Load,
max. (3) (uF)
77
68
167
80
47
159
83
33
158
84
22
Model
Number
F0509S-2WR2
F0512S-2WR2
F1209S-2WR2
F1212S-2WR2
Model
Number
Input Voltage
Range(V)
4.5-5.5
Nominal:5
10.8-13.2
Nominal:12
Input Voltage
Range(V)
F1503S-2WR2
3.3
Full Load
400
F1505S-2WR2
5
400
9
220
F1509S-2WR2
F1512S-2WR2
13.5-16.5
Nominal:15
35
15
Input Current (mA)
Typ.
No Load Full Load
114
12
12
166
F1515S-2WR2
15
133
158
84
22
F1524S-2WR2
24
83
158
84
10
3.3
400
71
77
68
5
400
104
80
47
220
99
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83
Rev: A0
F2403S-2WR2
F2405S-2WR2
21.6-26.4
Nominal:24
F2409S-2WR2
9
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8
33
Page 1 of 7
F2412S-2WR2
12
166
99
84
22
F2415S-2WR2
15
133
99
84
22
F2424S-2WR2
24
83
99
84
10
Input Specifications
5V nominal input
4.5-5.5V
12V nominal input
10.8-13.2V
15V nominal input
13.5-16.5V
24V nominal input
21.6-26.4V
Input filter
Capacitor
Environmental Specifications
-40°C to +105°C
Operating ambient temperature
Maximum case temperature
+125°C
Storage temperature range
-55°C to +125°C
Relative humidity
95% RH max.
Output Specifications
Output power
2Watts max.
Voltage accuracy
Nominal Vin and full load
3.3Vdc
5Vdc
9Vdc
12Vdc
15Vdc
24Vdc
25Vdc
Voltage balance
Dual output
3.135-3.399V
4.75-5.15V
8.73-9.18V
11.64-12.24V
14.55-15.30V
23.52-24.36V
24.50-25.37V
±1% max.
Minimum load
10% load of full load
Line regulation
For Vin charge of 1%
Load regulation
Nominal Vin and 10%-100% load
3.3Vdc
5Vdc
9Vdc
12Vdc
15Vdc
24Vdc
25Vdc
±1.2% Typ.
15% Typ.
13% Typ.
9% Typ.
8% Typ.
7% Typ.
6% Typ.
6% Typ.
100mVp-p Typ.
150mVp-p Max.
Ripple and Noise (20MHz Bandwidth)
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Maximum capacitive load
See table
F24XXS-2W2R
Output short circuit protection
3S Max.
Other models
Continuous, Automatic recovery
Temperature coefficient
±0.03%/°C Typ.
General Specifications
Efficiency
Nominal input and full load
Isolation voltage
Input to output
Isolation resistance
500VDC
See table
3000VDC (60 second)
1000MÙ min.
Isolation capacitance
30pF typ.
150kHz typ.
Switching frequency
300kHz max.
Reliability, calculated MTBF
2×10 6 Hrs
Physical Specifications
Case material
Plastic (UL94 V-0)
Potting material
PU (UL94 V-0)
Dimensions
19.6× 10.1× 7.0 mm
Weight
2.5g Typ.
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. Specifications subject to change without notice.
5. This series of products do not support CC mode, CR mode is recommended.
6. In case of long input lines or hot plug-in requirements, we recommended to use an external low ESR capacitor
(22uF) near to the converter’s input pins.
Power Derating Curve
Power Derating Curve
Output Power (%)
120
100
80
60
40
20
0
-40
85
-20
0
20
40
60
80
105
100
120
Ambient Temp.TA ()
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Mechanical Dimensions
Single output
Dual output
DKB2-05D1PH3FxxxxS-2W2R
FxxxS-2WR2
DKB2-05S1PH3FxxxxS-2W2R
FxxxS-2WR2
DATE CODE
DATE CODE
Pin Assignment
Pin Single
Dual
1
+Vin
+Vin
2
-Vin
-Vin
5
-Vout
-Vout
6
No pin
Common
7
+Vout
+Vout
Unit: mm (inch)
Pin section tolerances:±0.1(±0.004)
General tolerances:±0.5(±0.02)
Test Configurations
All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
A
DC
Power Supply
A
V
DC/DC
converter
Load
V
◎DC Power Supply: It offers a wide voltage and current range precisely.
◎Current meter (A): Accuracy200μA ~ 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
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Wide input voltage range 2:1
5V nominal input
4.5~9V
12V nominal input
9~18V
24V nominal input
18~36V
48V nominal input
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
x100%
Vout:Output voltage
Vout(nominal):Nominal output voltage
6. Line regulation:
Narrow input voltage range(±10%)and unregulated output voltage series.
Line regulation=
Ä Vout
Ä Vin
Ä Vout = 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
Ä Vin = 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 :
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│Vout(FL)-Vout(NL)│ x100%
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.
Noise
Ripple&Noise
Ripple
Output Ripple&Noise measurement test circuit: as shown below.
Copper strip
DC/DC
converter
Co
Load
Oscilloscope
Copper strip
Co: usually 0.47uF.
9. Temperature derating curve: The DC-DC converter will operate over a wider temperature range if less power
Output 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.
120
100
80
60
40
20
0
-40
-20
0
20
40
60
85
80
105
100
120
Ambient Temp.TA (℃)
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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.
12. Input souce impedance: The power module should be connected to low ac-impedance input souce.
Highly inductive souce impedances can affect the stability of the power module. In applications where power is
supplied over long lines and output loading is high , it maybe necessary to use a capacitor at the input to ensure
startup. Capacitor mounted close to the power module helps ensure stability of the unit , it is commended to use
a good quality low Equivalent Series Resistance ( ESR < 0.1Ù at 100KHz ) capacitor of a 22uF for the power
module.
DC
Power Supply
Cin
DC/DC
converter
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