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Overview
| Topology | Other Topology |
| IC revision | 8 |
Description
The NCP5181 is a High Voltage Power MOSFET Driver providingtwo outputs for direct drive of 2 N−channel power MOSFETs arrangedin a half−bridge (or any other high−side + low−side) configuration.It uses the bootstrap technique to insure a proper drive of theHigh−side power switch. The driver works with 2 independent inputsto accommodate any topology (including half−bridge, asymmetricalhalf−bridge, active clamp and full−bridge…).
Features
- High Voltage Range: up to 600 V
- dV/dt Immunity ±50 V/nsec
- Gate Drive Supply Range from 10 V to 20 V
- High and Low DRV Outputs
- Output Source / Sink Current Capability 1.4 A / 2.2 A
- 3.3 V and 5 V Input Logic Compatible
- Up to VCC Swing on Input Pins
- Matched Propagation Delays between Both Channels
- Outputs in Phase with the Inputs
- Independent Logic Inputs to Accommodate All Topologies
- Under VCC LockOut (UVLO) for Both Channels
- Pin to Pin Compatible with IR2181(S)
- These are Pb−Free Devices
Typical applications
- Bridge Inverters for UPS Systems
- High Power Energy Management
- Half−bridge Power Converters
- Any Complementary Drive Converters (asymmetrical half−bridge, active clamp)
- Full−bridge Converters
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR(A) | L(µH) | RDC max.(Ω) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | L1(µH) | L2(µH) | IR(A) | IR 2(A) | ISAT(A) | RDC1 typ(Ω) | RDC2 typ(Ω) | RDC1 max(Ω) | RDC2 max(Ω) | fres(MHz) | Type | VIN | VOut1(V) | IOut1(A) | VOut2(V) | IOut2(A) | VOut3(V) | IOut3(A) | VOut4(V) | IOut4(A) | n | ISAT(A) | LS(µH) | Size | IC Reference | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-DD SMT Shielded Coupled Inductor, 4.91 A, 3.3 µH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-DD SMT Shielded Coupled Inductor | Rated Current4.91 A | Inductance3.3 µH | DC Resistance0.021 Ω | – | – | – | Length12.5 mm | Width12.5 mm | Height6.5 mm | – | Inductance 13.3 µH | Inductance 23.3 µH | Rated Current4.91 A | Rated Current 24.91 A | Saturation Current8.9 A | DC Resistance 10.017 Ω | DC Resistance 20.017 Ω | DC Resistance 10.021 Ω | DC Resistance 20.021 Ω | Self Resonant Frequency45 MHz | TypeStraight | – | – | – | – | – | – | – | – | – | Turns Ratio1:1 | Saturation Current8.9 A | – | Size1260 | – | ||||
 | WE-CMBNC Common Mode Power Line Choke Nanocrystalline, 10 A, 2000 µH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline | Rated Current10 A | Inductance2000 µH | DC Resistance0.0063 Ω | Rated Voltage300 V (AC) | Insulation Test Voltage2100 V (AC) | MaterialNanocrystalline | Length24 mm | Width17 mm | Height25 mm | MountTHT | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | SizeM | – | ||||
 | WE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, –, 3.8 µH | Status Activei| Production is active. Expected lifetime: >10 years. | – | Inductance3.8 µH | – | – | Insulation Test Voltage1500 V (AC) | – | Length13.97 mm | Width17.17 mm | Height12.7 mm | – | – | – | – | – | – | – | – | – | – | – | – | Input Voltage 8 - 24 V (DC) | Output Voltage 115 V | Output Current 10.15 A | Output Voltage 215 V | Output Current 20.15 A | Output Voltage 315 V | Output Current 30.15 A | Output Voltage 415 V | Output Current 40.15 A | Turns Ratio1:1:4:4:4:4 | Saturation Current12 A | Leakage Inductance0.4 µH | SizeEP13 | IC ReferenceLT3575 & LT3748 |