F_S-1WR2 & E_S-1WR2
7 pin SIP Package, 1 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
Applications
Meet Safety 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 All specifications are typical at nominal input, full load and 25°C unless otherwise stated.
Output
Voltage
(V)
Output Current
(mA) (1)
Full Load
3.3
5
300
200
±3.3
±150
E0305S-1WR2
F0503S-1WR2
±5
3.3
F0505S-1WR2
Model
Number
Input Current (mA)
Typ.
No Load Full Load
Eff .(%) (2)
Typ.
Capacitive Load,
max. (3) (uF)
405
74
404
75
68
47
405
74
33/33
±100
300
404
264
75
75
22/22
68
5
200
260
77
47
F0509S-1WR2
F0512S-1WR2
9
12
110
83
248
247
80
81
33
22
F0515S-1WR2
15
67
247
81
22
24
42
247
81
10
±3.3
±5
±150
±100
264
75
E0505S-1WR2
260
77
33/33
22/22
E0509S-1WR2
E0512S-1WR2
±9
±12
±55
±42
248
247
80
81
10/10
10/10
E0515S-1WR2
±15
±33
247
81
10/10
E0524S-1WR2
±24
±21
247
81
4.7/4.7
5
200
137
81
47
F1203S-1WR2
3.3
300
109
76
68
F1205S-1WR2
5
200
107
78
47
F1209S-1WR2
F1212S-1WR2
9
110
107
78
33
12
83
104
80
22
15
67
104
80
22
24
42
104
80
10
E1203S-1WR2
±3.3
±150
109
76
33/33
E1205S-1WR2
±5
±100
107
78
22/22
E1209S-1WR2
E1212S-1WR2
±9
±12
±55
±42
107
104
78
80
10/10
10/10
F0303S-1WR2
F0305S-1WR2
E0303S-1WR2
F0524S-1WR2
E0503S-1WR2
F0905S-1WR2
F1215S-1WR2
F1224S-1WR2
Input Voltage
Range(V)
2.97-3.63
Nominal:3.3
4.5-5.5
Nominal:5
8.1-9.9
Nominal:9
10.8-13.2
Nominal:12
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35
28
19
17
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Rev: A0
Page 1 of 7
Input Voltage
Range(V)
Output
Voltage
(V)
Output Current
(mA) (1)
Full Load
10.8-13.2
Nominal:12
±15
±33
F1503S-1WR2
3.3
F1505S-1WR2
F1509S-1WR2
F1512S-1WR2
Model
Number
Input Current (mA)
Typ.
No Load Full Load
Eff .(%) (2)
Typ.
Capacitive Load,
max. (3) (uF)
104
80
10/10
300
87
76
68
5
200
85
78
47
9
110
85
78
33
12
83
83
80
22
15
67
83
80
22
24
42
83
80
10
±150
±100
87
76
E1505S-1WR2
±3.3
±5
85
78
33/33
22/22
E1509S-1WR2
E1512S-1WR2
±9
±12
±55
±42
85
83
78
80
10/10
10/10
E1515S-1WR2
±15
±33
83
80
10/10
F2403S-1WR2
F2405S-1WR2
3.3
5
300
200
54
53
77
79
68
47
F2409S-1WR2
9
110
52
80
33
F2412S-1WR2
12
83
51
81
22
15
67
51
81
22
24
42
51
81
10
±150
±100
54
77
E2405S-1WR2
±3.3
±5
53
79
33/33
22/22
E2409S-1WR2
±9
±55
52
80
10/10
E2412S-1WR2
E2415S-1WR2
±12
±15
±42
±33
51
51
81
81
10/10
10/10
E1215S-1WR2
F1515S-1WR2
F1524S-1WR2
E1503S-1WR2
13.5-16.5
Nominal:15
F2415S-1WR2
F2424S-1WR2
E2403S-1WR2
21.6-26.4
Nominal:24
17
15
8
Input Specifications
3.3V nominal input
2.97-3.63V
5V nominal input
4.5-5.5V
9 V nominal input
8.1-9.9V
12V nominal input
15V nominal input
24V nominal input
10.8-13.2V
13.5-16.5V
21.6-26.4V
Input filter
Capacitor
Environmental Specifications
Operating ambient temperature
-40°C to +105°C
Maximum case temperature
+125°C
Storage temperature range
-55°C to +125°C
Relative humidity
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95% RH max.
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Rev: A0
Page 2 of 7
Output Specifications
Output power
1Watts max.
Voltage accuracy
Nominal Vin and full load
3.3Vdc
5Vdc
9Vdc
12Vdc
15Vdc
24Vdc
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
±1% max.
Minimum load
Line regulation
Load regulation
10% load of full load
For Vin charge of 1%
Nominal Vin and 10%-100% load
3.3Vdc
5Vdc
9Vdc
12Vdc
15Vdc
24Vdc
±1.2% Typ.
15% Typ.
13% Typ.
9% Typ.
8% Typ.
7% Typ.
6% Typ.
50mVp-p Typ.
100mVp-p Max.
See table
Ripple and Noise (20MHz Bandwidth)
Maximum capacitive load
Output short circuit protection
F03xxS-1WR2/ F24xxS-1WR2
E03xxS-1WR2/ E24xxS-1WR2
Other models
3S Max.
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)
1000MΩ min.
Isolation capacitance
30pF typ.
150kHz typ.
Switching frequency
300kHz max.
Reliability, calculated MTBF
2× 106 Hrs
Physical Specifications
Case material
Plastic (UL94 V-0)
Potting material
PU (UL94 V-0)
Dimensions
19.6× 10.1× 6.0 mm
Weight
2g 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.
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Page 3 of 7
Power Derating Curve
Power Derating Curve
Output Power (%)
120
100
80
60
40
20
0
-40
-20
0
20
40
60
80
100
120
Ambient Temp.TA ()
Mechanical Dimensions
F_S-1WR2 Series
E_S-1WR2 Series
19.60
F0505S-1WR2
10.10
Date Code
4.10
[0.16]
0.50
6.00
[0.24]
6.00
[0.24]
0.90
0.90
[0.30]
[0.30]
Unit: mm (inch)
Pin section tolerances:±0.1(±0.004) General
tolerances:±0.5(±0.02)
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Pin Assignment
Pin Single
Dual
1
+Vin
+Vin
2
-Vin
-Vin
5
-Vout
-Vout
6
No pin
Common
7
+Vout
+Vout
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Rev: A0
Page 4 of 7
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): Accuracy200μA ~ 200mA 4 ranges+(0.2% rdg + 2 digits)
2000mA ~ 20A 2 ranges+(0.3% rdg + 2digits).
◎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
4.5~9V
12V nominal input 9~18 V
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:
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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 :
│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.
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Page 6 of 7
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
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
-2A0mbie0nt Te2m0 p.T4A0 (℃)60
85
80
105
100
120
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 < 0.1Ω at 100KHz ) capacitor of a 22uF for the power
module.
DC
Power Supply
Cin
DC/DC
converter
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Load
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Rev: A0
Page 7 of 7
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