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Overview
| Topology | Half-Bridge Converter symmetrical isolated |
| Input voltage | 184-265 V |
| IC revision | 1 |
Description
This document describes how the NCP5181 driver can beimplemented in a ballast application. The scope of thisevaluation board user’s manual is to highlight the NCP5181driver and not to explain or detail how to build an electronicballast.The NCP5181 is a high voltage power MOSFET driverproviding two outputs for direct drive of two N-channelpower MOSFETs arranged in a half-bridge (or any otherhigh-side + low-side topology) configuration.It uses the bootstrap technique to ensure a proper drive ofthe high-side power switch. The driver works with twoindependent inputs to accommodate with any topology(including half-bridge, asymmetrical half-bridge, activeclamp and full-bridge).
Typical applications
- Full−bridge Converters
- Any Complementary Drive Converters (asymmetrical half−bridge,active clamp)
- High Power Energy Management
- Half−bridge Power Converters
- Bridge Inverters for UPS Systems
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | VR(V (AC)) | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | L(mm) | W(mm) | H(mm) | Packaging | IR(A) | RDC max.(Ω) | Q(%) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Ø D(mm) | IRIPPLE 2(mA) | RESR(mΩ) | 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) | L(µH) | n | ISAT(A) | LS(µH) | VT(V (AC)) | Size | IC Reference | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTXX Film Capacitors, Across the mains, 1 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance1 µF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise170 V/µs | Dissipation Factor0.1 % | Insulation Resistance10 GΩ | Pitch22.5 mm | Length26 mm | Width11 mm | Height20 mm | PackagingCarton | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | SizePitch 22.5 mm | – | ||||
 | WE-LQ SMT Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQ SMT Inductor | – | – | – | – | – | – | – | Length4.5 mm | Width3.2 mm | Height2.6 mm | – | Rated Current1.24 A | DC Resistance0.15 Ω | Q-Factor36 % | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Self Resonant Frequency45 MHz | – | – | – | – | – | – | – | – | – | – | Inductance4.7 µH | – | Saturation Current2 A | – | – | Size1812 | – | ||||
 | WE-DD SMT Shielded Coupled Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-DD SMT Shielded Coupled Inductor | – | – | – | – | – | – | – | Length12.5 mm | Width12.5 mm | Height6.5 mm | – | Rated Current4.91 A | DC Resistance0.021 Ω | – | – | – | – | – | – | – | – | 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 | – | – | – | – | – | – | – | – | – | Inductance3.3 µH | Turns Ratio1:1 | Saturation Current8.9 A | – | – | Size1260 | – | ||||
 | WE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | – | – | – | – | 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 | Inductance3.8 µH | Turns Ratio1:1:4:4:4:4 | Saturation Current12 A | Leakage Inductance0.4 µH | Insulation Test Voltage1500 V (AC) | SizeEP13 | IC ReferenceLT3575 & LT3748 | |||||
 | WCAP-ATG5 Aluminum Electrolytic Capacitors, –, 180 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATG5 Aluminum Electrolytic Capacitors | Capacitance180 µF | Rated Voltage400 V (AC) | – | – | – | – | Pitch7.5 mm | Length45 mm | – | – | PackagingTray | – | – | – | Endurance 2000 | Ripple Current700 mA | Leakage Current2160 µA | Dissipation Factor15 % | Diameter18 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | ||||
 | WCAP-PTHT Aluminum Polymer Capacitors, –, 470 µF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-PTHT Aluminum Polymer Capacitors | Capacitance470 µF | Rated Voltage16 V (AC) | – | – | – | – | Pitch5 mm | Length12.5 mm | – | – | PackagingAmmopack | – | – | – | Endurance 2000 | Ripple Current6100 mA | Leakage Current752 µA | Dissipation Factor10 % | Diameter10 mm | Ripple Current1929 mA | ESR10 mΩ | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |