Positive logic Remote On/Off, Without trim pin, Without On/Off control pin
DESCRIPTION
RED20W DC/DC converters provide up to 20 watts of output power in an industry
standard package and footprint. RED20W series have 4:1 ultra wide input voltage of
9~36, 18~75 and 43~160VDC. The RED20W have features 1600VDC of isolation, short
circuit protection, over-current protection, over-voltage protection and six sided shielding.
T E C H N I C A L S P E C I F I C AT I O N
OUTPUT SPECIFICATIONS
Output power
Voltage accuracy
Minimum load
Voltage adjustability (Note 5)
Line regulation
LL to HL at Full Load
No Load to Full Load
Load regulation
10% Load to 90% Load
Cross regulation
Ripple and noise
Asymmetrical load 25% / 100% FL
Single
Single
Dual
Single
Dual
Single
Dual
Dual
All specifications are typical at nominal input, full load and 25ºC otherwise noted
INPUT SPECIFICATIONS
20 Watts
± 1%
0%
±10%
± 0.2%
± 0.5%
± 0.2%
± 1.0%
± 0.1%
± 0.8%
± 5%
24VDC nominal input
9 ~ 36VDC
48VDC nominal input
18 ~ 75VDC
110VDC nominal input
43 ~ 160VDC
24VDC, 48VDC input
Common Chock
Input filter
110VDC input
Pi Filter
50VDC 1sec, max.
24VDC input
100VDC 1sec, max.
48VDC input
Input surge voltage
170VDC 1sec, max.
110VDC input
Input reflected ripple current Nominal input and full load
30mAp-p
Nominal input and
Power up
30ms, max.
Start up time
constant resistive load Remote ON/OFF
30ms, max.
24VDC input
9VDC, max.
18VDC, max.
Start-up voltage
48VDC input
43VDC, max.
110VDC input
24VDC input
8VDC
Shutdown voltage
48VDC input
16VDC
110VDC input
40VDC
Remote ON/OFF (Note 6)
Open or 3 V < Vr < 15V
Positive logic(Option)
DC-DC ON
Short or 0V < Vr < 1.2V
DC-DC OFF
Short or 0V < Vr < 1.2V
Negative logic(Standard) DC-DC ON
Open or 3V < Vr < 15V
DC-DC OFF
Input current of Remote control pin Nominal input
-0.5mA~1.0mA
Input voltage range
Remote off state input current
Nominal input
2.5mA
20MHz bandwidth
See table
(Measured with a 1μF/50V X7R MLCC)
±0.02%
/ ºC, max.
Temperature coefficient
Transient response recovery time 25% load step change
Over voltage protection
Over load protection
Short circuit protection
3.3VDC output
5VDC output
12VDC output
15VDC output
250μS
3.7VDC~5.4VDC
5.6VDC~7.0VDC
13.5VDC~19.6VDC
16.8VDC~20.5VDC
150%
Hiccup, automatics recovery
% of FL at nominal input
ENVIRONMENTAL SPECIFICATIONS
Operating ambient temperature (Note 7)
-40ºC ~ +101ºC (with derating)
+105ºC
Maximum case temperature
GENERAL SPECIFICATIONS
Efficiency
Isolation voltage
Isolation resistance
Isolation capacitance
Switching frequency
Approvals and standard
Case material
Base material
Potting material
Dimensions
Weight
MTBF (Note 1)
BELLCORE TR-NWT-000332
MIL-HDBK-217F
Input to Output
Input(Output) to Case
See table
1600VDC, min. 1minute
1000VDC, min. 1minute
10 ohms, min.
3000pF, max.
330KHz±10%
IEC60950-1, UL60950-1,
EN60950-1, EN50155
Nickel-coated copper
FR4 PCB
Silicon (UL94-V0)
2.00 X 1.00 X 0.40 Inch
(50.8X 25.4 X 10.2 mm)
30g(1.06oz)
1.630x10 hrs
5
4.950x10 hrs
6
9
Storage temperature range
-55ºC ~ +125ºC
Thermal impedance
Natural convection
12ºC/Watt
10ºC/Watt
(Note 8)
Natural convection with heat-sink
EN61373, MIL-STD-810F
Thermal shock
Vibration
Relative humidity
EN61373, MIL-STD-810F
5% to 95% RH
24VDC,48VDC
Class B
110VDC
Class A
Air
±
8KV
Perf. Criteria A
Contact
±
6KV
20 V/m
±
2KV
±
2KV
10 Vr.m.s
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
EMC CHARACTERISTICS
EMI (Note 9)
ESD
Radiated immunity
Surge (Note 10)
Conducted immunity
EN55022, EN55011
EN61000-4-2
EN61000-4-3
EN61000-4-5
EN61000-4-6
Fast transient (Note 10) EN61000-4-4
Page 1 of 3
Issued Date：2012/03/05
Model
Number
RED20-24S3P3W
RED20-24S05W
RED20-24S12W
RED20-24S15W
RED20-24D12W
RED20-24D15W
RED20-48S3P3W
RED20-48S05W
RED20-48S12W
RED20-48S15W
RED20-48D12W
RED20-48D15W
RED20-110S3P3W
RED20-110S05W
RED20-110S12W
RED20-110S15W
RED20-110D12W
RED20-110D15W
Input
Range
9 ~ 36 VDC
9 ~ 36 VDC
9 ~ 36 VDC
9 ~ 36 VDC
9 ~ 36 VDC
9 ~ 36 VDC
18 ~ 75 VDC
18 ~ 75 VDC
18 ~ 75 VDC
18 ~ 75 VDC
18 ~ 75 VDC
18 ~ 75 VDC
43 ~ 160 VDC
43 ~ 160 VDC
43 ~ 160 VDC
43 ~ 160 VDC
43 ~ 160 VDC
43 ~ 160 VDC
Output
Voltage
3.3 VDC
5 VDC
12 VDC
15 VDC
12 VDC
15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
12 VDC
15 VDC
3.3 VDC
5 VDC
12 VDC
15 VDC
12 VDC
15 VDC
Output Current
Min. Load
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
0mA
Full Load
4500mA
4000mA
1670mA
1330mA
± 833mA
± 667mA
4500mA
4000mA
1670mA
1330mA
± 833mA
± 667mA
4500mA
4000mA
1670mA
1330mA
± 833mA
± 667mA
Output
(3)
Ripple & Noise
75mVp-p
75mVp-p
100mVp-p
100mVp-p
100mVp-p
100mVp-p
75mVp-p
75mVp-p
100mVp-p
100mVp-p
100mVp-p
100mVp-p
75mVp-p
75mVp-p
100mVp-p
100mVp-p
100mVp-p
100mVp-p
No Load
(2)
Input Current
6mA
6mA
6mA
6mA
6mA
6mA
4mA
4mA
4mA
4mA
4mA
4mA
3mA
3mA
3mA
3mA
3mA
3mA
Eff
(3)
(%)
85
88
89
88
88
89
85
88
89
89
88
89
85
87
88
88
88
89
Capacitor
(4)
Load max
7000μF
5000μF
850μF
700μF
± 500μF
± 350μF
7000μF
5000μF
850μF
700μF
± 500μF
± 350μF
7000μF
5000μF
850μF
700μF
± 500μF
± 350μF
±
±
±
±
±
±
Note
BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40ºC.
MIL-HDBK-217F Notice2 @Ta=25 ºC, Full load(Ground, Benign, controlled environment)
2. Typical value at nominal input and no load.
3. Typical value at nominal input and full load.
4. Test by minimum input and constant resistive load.
5. Trimming allows the user to increase or decrease the output voltage set point of the module. This is accomplished by connecting an external resistor
between the TRIM pin and either the +OUTPUT pin or the -OUTPUT pin.
6. The CTRL pin voltage is reference to -INPUT.
The order number please see product standard table.
7. Operating ambient temperature:
Converter can meet the railway T2 and TX temperature requirement.
T2: -40
℃
~ +70
℃
as all models , TX: -40
℃
~ +85
℃
as power derating to 55% output power.(with Heat-sink as power derating to 70% output power)
Test condition with vertical direction by natural convection (20LFM).
8. Heat-sink is optional and P/N: 7G-0020C-F
9. EN55022 and EN55011
24VDC & 48VDC input: To meet Class B without external filter.
110VDC input: To meet Class A without external filter.
10. An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5.
The filter capacitor Power Mate suggest: 24VDC & 48VDC input: Nippon chemi-con KY series, 220μF/100V, ESR 48mΩ.
110VDC input: Rubycon BXF series, 100μF/250V.
CAUTION:
This power module is not internally fused. An input line fuse must always be used.
1.
RED20-48S05W Derating Curve
RED20-48S05W Derating Curve With Heat-sink（Note 8）
Page 2 of 3
Issued Date：2012/03/05
RED20-48S05W Efficiency VS Input Voltage
RED20-48S05W Efficiency VS Output Load
Mechanical Drawing:
PIN CONNECTION
PIN
1
2
3
4
5
6
SINGLE
+ INPUT
- INPUT
+ OUTPUT
TRIM
- OUTPUT
CTRL
DUAL
+ INPUT
- INPUT
+ OUTPUT
COMMON
- OUTPUT
CTRL
EXTERNAL OUTPUT TRIMMING
Output can be externally trimmed by using the method
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