2.25k VDC 100W DC DC Converter Isolated Ultra wide 4: 1 input voltage range
100W isolated DC-DC converter Ultra-wide input and regulated single output
Description
URF24_QB -100W(F/H)R3(A5/A6)seriesofisolated 100W DC-DCproductswith4:1inputvoltage.Theyfeatureeficiencyupto90%,250VDC inputtooutputisolation,operatingambienttemperatureof-40Cto+85C,inputunder-voltage,outputover–voltage,short-circu
over-curentprotection, over-temperatureprotection. TheproductsmetCLASBofCISPR32/EN5032 EMIstandardsbyadingthe recommendedexternalcomponents,andtheyarewidelyusedinaplicationssuchasbaterypoweredsystems, industrialcontro
electricity,instrumentation, railway, communication.
FEATURES
- Ultra-wide 4: 1 input voltage range
- High efficiency up to 90%
- I/O isolation test voltage: 2.25k VDC
![]()
- Input under-voltage protection, output short-circuit, over-current, over-voltage, over-temperature protection
- Operating ambient temperature range:-40C to +85C
- Five-sided metal shielded package
![]()
Industry standard ¼-Brick package and pin-out - EN62368 approved
- Meet UL62368, IEC62368, EN50155 standards
Industry standard ¼-Brick package and pin-outSpecifications
| Selection Guide | |||||||
| Certification | Part No.① | Input Voltage (VDC) | Output |
Full Load Efficiency (%) Min./Typ. |
Capacitive Load (µF) Max. |
||
| Nominal (Range) | Max.② |
Voltage (VDC) |
Current (A) Max. |
||||
|
CE |
URF2405QB- 100WFR3 |
24 (9-36) |
40 |
5 | 20 | 87/89 | 6000 |
| URF2412QB- 100WFR3 | 12 | 8.3 | 88/90 | 2000 | |||
| URF2415QB- 100WFR3 | 15 | 6.7 | 88/90 | 2000 | |||
| URF2424QB- 100WFR3 | 24 | 4.2 | 88/90 | 1000 | |||
| URF2428QB- 100WFR3 | 28 | 3.6 | 88/90 | 1000 | |||
| URF2448QB- 100WFR3 | 48 | 2.1 | 88/90 | 470 | |||
|
URF2405QB- 100W(H)R3 (A5/A6) |
5 | 20 | 87/89 | 6000 | |||
|
URF2412QB- 100W(H)R3 (A5/A6) |
12 | 8.3 | 88/90 | 2000 | |||
|
URF2415QB- 100W(H)R3 (A5/A6) |
15 | 6.7 | 88/90 | 2000 | |||
|
URF2424QB- 100W(H)R3 (A5/A6) |
24 | 4.2 | 88/90 | 1000 | |||
|
URF2428QB- 100W(H)R3 (A5/A6) |
28 | 3.6 | 88/90 | 1000 | |||
|
URF2448QB- 100W(H)R3 (A5/A6) |
48 | 2.1 | 88/90 | 470 | |||
|
Note: ①Use“F”suffix is for added aluminum baseplate and“H”suffix for heat sink mounting. We recommend to choose modules with a heat sink for enhanced heat dissipation and applications with extreme temperature requirements; ②Exceeding the maximum input voltage may cause permanent damage. |
|||||||
| Input Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
| Input Current (full load/no-load) | Nominal input voltage | -- | 4682/ 120 | 4789/ 160 |  A |
| Reflected Ripple Current | Nominal input voltage | -- | 30 | -- | |
| Surge Voltage (1sec. max.) | -0.7 | -- | 50 |
VDC |
|
| Start-up Voltage | -- | -- | 9 | ||
| Under-voltage Protection | 7.0 | 7.5 | -- | ||
| Input Filter | Pi filter | ||||
| Ctrl* | Module on | Ctrl pin open or pulled high (3.5- 12VDC) | |||
| Module off | Ctrl pin pulled low to GND (0- 1.2VDC) | ||||
| Ctrl* | Input current when off | -- | 2 | 10 |  A |
| Hot Plug | Unavailable | ||||
| Note: *The Ctrl pin voltage is referenced to input GND. | |||||
| Output Specifications | ||||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit | |
| Voltage Accuracy | 0%- 100% load | -- | ± 1 | ±3 |
% |
|
| Linear Regulation | Input voltage variation from low to high at full load | -- | ±0.2 | ±0.5 | ||
| Load Regulation | 5%- 100% load | -- | ±0.5 | ±0.75 | ||
| Transient Recovery Time | 25% load step change | -- | 200 | 500 | µs | |
| Transient Response Deviation | 25% load step change | 5V output | -- | ±3 | ±7.5 | % |
| Others | -- | ±3 | ±5 | |||
| Temperature Coefficient | Full load | -- | -- | ±0.03 | %/C | |
| Ripple & Noise* | 20MHz bandwidth | 12V/ 15V output | -- | 100 | 200 | mVp-p |
| Others | -- | 130 | 250 | |||
| Over-voltage Protection |
Input voltage range |
1 10 | 125 | 160 | %Vo | |
| Over-current Protection | 1 10 | 125 | 150 | %Io | ||
| Short-circuit Protection | Hiccup, continuous, self-recovery | |||||
| Note:* The“parallel cable”method is used for ripple and noise test, please see DC-DC Converter Application Notes for specific operation. | ||||||
| General Specifications | ||||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit | |
|
Isolation |
Input-output | Electric Strength Test for 1 minute with a leakage current of 1mA max. | 2250 | -- | -- |
VDC |
| Input-case | 1600 | -- | -- | |||
| Output-case | 500 | -- | -- | |||
| Insulation Resistance | Input-output resistance at 500VDC | 100 | -- | -- | MQ | |
| Isolation Capacitance | Input-output capacitance at 100KHz/0. 1V | -- | 2200 | -- |  F |
|
| Trim | 5V, 15V output | 91 | -- | 1 10 |
%Vo |
|
| Others | 90 | -- | 1 10 | |||
| Sense | See remote sense application | -- | -- | 1 10 | ||
|
Thermal Resistance |
Natural convection |
URF24_QB- 100WR3 | -- | -- | 8 |
W |
| URF24_QB- 100WFR3 | -- | -- | 6.8 | |||
| URF24_QB- 100WHR3 | -- | -- | 5.7 | |||
| Operating Temperature | -40 | -- | +85 |
C |
||
| Storage Temperature | -55 | -- | + 125 | |||
| Over-temperature Protection | Max. case temperature | -- | 1 15 | 120 | ||
| Pin Soldering Resistance Temperature | Wave-soldering, 10 seconds | -- | -- | 260 | ||
| Mechanical Specifications | ||
| Case Material | Aluminum alloy case; Black plastic bottom, flame-retardant and heat-resistant (UL94 V-0) | |
|
Dimensions |
URF24xxQB- 100WR3 | 61.8 × 40.2 × 12.7 mm |
| URF24xxQB- 100WFR3 | 62.0 × 56.0 × 14.6 mm | |
| URF24xxQB- 100WHR3 | 61.8 × 40.2 × 27.7 mm | |
| URF24xxQB- 100WR3A5 | 135.00 x 70.00 x 22.6mm | |
| URF24xxQB- 100WR3A6 | 137.00 x 70.00 x 28. 10mm | |
| URF24xxQB- 100WHR3A5 | 135.00 x 70.00 x 36.20mm | |
| URF24xxQB- 100WHR3A6 | 137.00 x 70.00 x 37.20mm | |
|
Weight |
URF24xxQB- 100WR3 | 86.0g(Typ.) |
| URF24xxQB- 100WFR3 | 106.0g(Typ.) | |
| URF24xxQB- 100WHR3 | 117.0(Typ.) | |
| URF24xxQB- 100WR3A5 | 162.0g (Typ.) | |
| URF24xxQB- 100WR3A6 | 232.0g (Typ.) | |
| URF24xxQB- 100WHR3A5 | 193.0g (Typ.) | |
| URF24xxQB- 100WHR3A6 | 263.0g (Typ.) | |
| Cooling Method | Natural air convection or forced convection | |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.