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Polytron OFQC100 Series DC-DC Converters, Up to 100 Watts, Ultra-wide Input Range
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Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: OFQC100
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OFQC100 Series DC-DC Converters
Polytron Devices’ OFQC100 Series of isolated 100-Watt DC-DC converters come in a quarter-brick package and are available in two ultra-wide 12:1 input ranges of 9-75V and 14-160V DC tohandle a variety of railway power systems. The series offers high efficiency up to 90 percent, nominimum load requirement, low standby power and remote ON/OFF control for energy savings. The units offer 3000V AC reinforced insulation and 2250V DC basic insulation. OFQC100 DC-DC converters meet the IEC/UL/EN62368-1 standard as well as EN50155 and EN45545-2 standards for railway applications. Built-in safeguards include over temperature, overcurrent, overvoltage, short circuit and undervoltage protections. A six-sided continuous shield minimizes noise leakage. The units comply with RoHS and REACH, and they carry the CE Mark.
Daburn Part
Number |
Input Voltage
Range (Vdc) |
Output Voltage
(Vdc) |
Output Current
Full Load
(A) |
Input Current
No Load
(mA) |
Efficiency
% |
Max. Capacitor
Load µF |
| OFQC100-36S5 |
9 - 75 |
5 |
20.0 |
20 |
88 |
46000μF |
| OFQC100-36S12 |
12 |
8.35 |
30 |
88 |
7000μF |
| OFQC100-36S15 |
15 |
6.7 |
30 |
89 |
4500μF |
| OFQC100-36S24 |
24 |
4.2 |
20 |
88 |
1800μF |
| OFQC100-36S28 |
28 |
3.6 |
20 |
88 |
1300μF |
| OFQC100-36S48 |
48 |
2.1 |
20 |
90 |
430μF |
| OFQC100-36S53 |
53 |
1.92 |
20 |
90 |
370μF |
| OFQC100-72S5 |
14 - 160 |
5 |
20.0 |
15 |
88 |
40000μF |
| OFQC100-72S12 |
12 |
8.35 |
20 |
88 |
7000μF |
| OFQC100-72S15 |
15 |
6.7 |
20 |
88 |
4500μF |
| OFQC100-72S24 |
24 |
4.2 |
15 |
88 |
1800μF |
| OFQC100-72S28 |
28 |
3.6 |
15 |
88 |
1300μF |
| OFQC100-72S48 |
48 |
2.1 |
15 |
89 |
430μF |
| OFQC100-72S53 |
53 |
1.92 |
15 |
89 |
370μF |
Input and Output Specifications:
INPUT
- Operating input voltage range, Vdc
- 9 Min., 36 Typ., 75 Max.; 36Vin(nom)
- 14 Min., 72 Typ., 160 Max.; 72Vin(nom)
- Start up voltage, Vdc
- 9 Max.; 36Vin(nom)
- 14 Max.; 72Vin(nom)
- Shutdown voltage, Vdc
- 7.3 Min., 7.7 Typ., 8.1 Max.; 36Vin(nom)
- 10 Min., 11 Typ., 12 Max.; 72Vin(nom)
- Start up time, ms
- 75 Typ., 100 Max.; Constant resistive load, Power up
- 75 Typ., 100 Max.; Remote ON/OFF
- Input transient voltage, Vdc
- 8.1 Max.; 36Vin(nom), 100 mS, Max.
- 12 Max.; 72Vin(nom)
- Input surge voltage, Vdc
- 100 Max.; 36Vin(nom), 1 second, Max.
- 185 Max.; 72Vin(nom)
- Input filter: Pi type
- Remote ON/OFF Control, Vdc
- Referred to -Vin pin
- Short or 0 - 1.2; Negative logic DC-DC ON
- Open or 3 - 12; (Standard) DC-DC OFF
- Open or 3 - 12; Positive logic DC-DC ON
- Short or 0 - 1.2; (Option) DC-DC OFF
- -0.5 Min., 1 Max., mA; Input current of Ctrl pin
- 3 Typ., mA; Remote off input current
OUTPUT
- Voltage accuracy, %: -1 Min., 1 Max.
- Line regulation, %
- -0.1 Min., 0.1 Max.; Low line to high line at full load
- Load regulation, %
- -0.1 Min., 0.1 Max.; No load to full load
- Voltage adjustability, %
- -20 Min., 10 Max.; Max. output deviation is inclusive of remote sense
- Remote sense, %
- 10 Max.; % of Vout(nom). If remote sense is not being used, SENSE pins should connect to corresponding polrity OUTPUT pins.
- Ripple and noise, mVp-p
- 20MHz bandwidth
- 75 Typ.; 5Vout, with a 1μF/25V X7R MLCC and a 22μF/25V POS-CAP
- 100 Typ.; 12Vout, 15Vout, with a 22μF/25V X7R MLCC
- 200 Typ.; 24Vout, 28 Vout, with a 4.7μF/50V X7R MLCC
- 300 Typ.; 48Vout, 53 Vout, with a 2.2μF/100V X7R MLCC
- Temperature coefficient, %/°C: -0.02 Min., 0.02 Max.
- Transient response recovery time, μs
- 250 Typ.; 25% load step change
- Over voltage protection, Vdc
- 120 Min., 135 Max.; % of Vout(nom); Hiccup mode
- Over load protection, %
- 110 Min., 130 Max.; % of lout rated; Hiccup mode
- Short circuit protection: Continuous, automatic recovery
More Specifications:
GENERAL
- Isolation voltage
- 1 minute, 72Vin(nom); Input to output; 3,000 Min. Vac
- (Reinforced insulation); Input (output) to Base-Plate; 1,500 Min. Vac
- 1 minute, 36Vin(nom); Input to output; 2,250 Min., Vdc
- (Basic insulation); Input (output) to Base-Plate; 1,600 Min., Vdc
- Isolation resistance, GΩ: 500Vdc; 1 Min.
- Isolation capacitance, pF: 1,000 Max.
- Switching frequency, kHz: 160 Min.; 180 Typ.; 200 Max.
ENVIRONMENTAL
- Operating base-plate temperature, °C: With derating; -40 Min.; 105 Max.
- Max. case temperature, °C: 105 Max.
- Over temperature protection, °C: 110 Typ.
- Storage temperature range, °C: -55 Min.; 125 Max.
- Thermal impedance, °C/W
- Module without assembly option; 8.3 Typ.
- Only mount on the iron base-plate; 2.5 Typ.
- Heat-sink type with 0.24” height; 7.4 Typ.
- Heat-sink type with 0.5” height; 6.2 Typ.
- Heat-sink type with 0.65” height; 4.4 Typ.
- Heat-sink type with 1” height; 3.6 Typ.
- Thermal shock: MIL-STD-810F
- Shock: EN61373, MIL-STD-810F
- Vibration: EN61373, MIL-STD-810F
- Relative humidity: 5% to 95% RH
PHYSICAL
- Design meet safety standard: IEC/UL/EN6236801, EN50155, EN45545-2
- Case material: Aluminum base-plate with plastic case
- Potting material: Silicone (UL94 V-0)
- Weight, g: 64g (2.26oz)
- Dimensions: 2.28” × 1.45” × 0.50” (57.9mm × 36.8mm × 12.7mm)
- MTBF: 4.208 × 105 hrs , MIL-HDBK-217F, Full load
EMC CHARACTERISTICS
- EMI
- Conditions: EN55032, EN50121-3-2; With external components. Level: Class A, Class B
- EMS
- Conditions: EN55024, EN50121-3-2
- ESD
- Conditions: EN61000-4-2; Air ±8kV and Contact ±6kV. Level: Perf. Criteria A
- Radiated immunity
- Conditions: EN61000-4-3; 20V/m. Level: Perf. Criteria A
- Fast transient
- Conditions: EN61000-4-4; ±2KV. Level: Perf. Criteria A
- Conditions: OFQC60-36S; With 2pcs of aluminum electrolytic capacitor
- Conditions: OFQC60-72S; With 2pcs of aluminum electrolytic capacitor
- Surge
- Conditions: EN61000-4-5; EN55024: ±1kV and EN50155:±2kV. Level: Perf. Criteria A
- Conditions: OFQC60-36S; With 2pcs of aluminum electrolytic capacitor.
- Conditions: OFQC60-72S; With 2pcs of aluminum electrolytic capacitor.
- Conducted immunity
- Conditions: EN61000-4-6; 10 Vr.m.s. Level: Perf. Criteria A
- Power frequency magnetic field
- Conditions: EN61000-4-8; 100 A/m continuous; 1,000 A/m 1 second. Level: Perf. Criteria A
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