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Analog Devices LT8418 | Demoboard EVAL-LT8418-AZ
100V Half-Bridge GaN Driver with Smart Integrated Bootstrap Switch
Details
| Topologie | Gegentaktwandler (Halbbrücken) |
| Eingangsspannung | 80 V |
| Schaltfrequenz | 100-10000 kHz |
| Ausgang 1 | 80 V / 10 A |
Beschreibung
The EVAL-LT8418-AZ evaluation circuit features the LT8418 driving two 100V enhanced Gallium Nitride (eGaN) FETs in a half-bridge configuration. The circuit is optimized as a buck converter, but it can be used as a boost converter or other converter topologies consisting of a half-bridge. The evaluation circuit can deliver up to 10A with good thermal management.
Eigenschaften
- Half-Bridge Gate Driver for GaN FETs
- 0.6Ω Pull-Up Resistance at Top Gate Driver
- 0.2Ω Pull-Down Resistance at Bottom Gate Driver
- 4A Peak Source, 8A Peak Sink Current Capability
- Smart Integrated Bootstrap Switch
- Split-Gate-Driver to Adjust Turn-On/Turn-Off Strength
- Default Low-State for All Driver Inputs and Outputs
- Maximum 15V Voltage Rating at INT and INB Inputs
- Independent INT, INB Inputs with TTL Logic Compatible
- Fast Propagation Delay: 10ns (Typical)
- Propagation Delay Matching: 1.5ns (Typical)
- Balanced Driver Supply Voltage: VBST ≈ VCC = 3.85V – 5.5V
- Undervoltage and Overvoltage Lockout Protections
- Small 12-Ball WLCSP Package
Typische Anwendungen
- Consumer
- Data Center Power Supplies
- High Frequency DC-DC Switching Power Converters, Motor Drivers, Class-D Audio Amplifiers, Half-Bridge, Full-Bridge, Push-Pull Converters
- Automotive
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | DF(%) | RISO | Keramiktyp | B(mm) | Fl(mm) | Verpackung | Ti | Ø OD(mm) | Ø ID(mm) | VPE | κ(W/(m*K)) | Pins | Typ | Montageart | L(mm) | H(mm) | IR(A) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 16 V(DC), 100 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 16 V(DC) | Kapazität100 nF | Kapazität±10% | Nennspannung16 V (DC) | Bauform0603 | Verlustfaktor3.5 % | Isolationswiderstand5 GΩ | KeramiktypX7R Klasse II | Breite0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | Verpackungseinheit4000 | – | – | – | – | Länge1.6 mm | Höhe0.8 mm | – | – | Betriebstemperatur -55 °C up to +125 °C | |||||
 | WA-SMSI SMT Stahl Spacer mit Innengewinde M2.5, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWA-SMSI SMT Stahl Spacer mit Innengewinde M2.5 | – | – | – | – | – | – | – | – | – | VerpackungTape and Reel | InnengewindeM2.5 | Außendurchmesser5.1 mm | Innendurchmesser3.5 mm | Verpackungseinheit1500 | – | – | – | – | Länge1 mm | – | – | – | Betriebstemperatur -55 °C up to +150 °C | |||
 | WR-PHD Kurzschlussbrücken, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | – | – | – | – | – | Isolationswiderstand1000 MΩ | – | – | – | VerpackungBeutel | – | – | – | Verpackungseinheit1000 | – | Pins2 | – | – | – | – | Nennstrom3 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -25 °C up to +105 °C | |||
 | WR-PHD Stiftleisten, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten | – | – | – | – | – | Isolationswiderstand1000 MΩ | – | – | – | VerpackungBeutel | – | – | – | Verpackungseinheit1000 | – | Pins3 | TypGerade | MontageartTHT | Länge6 mm | – | Nennstrom2 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -40 °C up to +105 °C | |||
 | WE-TGS Graphitfolie, –, – | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TGS Graphitfolie | – | – | – | – | – | – | – | Breite100 mm | – | – | – | – | – | – | Wärmeleitfähigkeit1800 W/(m*K) | – | – | – | Länge100 mm | Höhe0.037 mm | – | – | Betriebstemperatur -50 °C up to +120 °C |