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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 18-80 V |
| Schaltfrequenz | 100-10000 kHz |
| Ausgang 1 | 12 V / 10 A |
| IC-Revision | 1.00 |
Beschreibung
The ISL81802EVAL2Z dual-output evaluation board (shown in Figure 4) features the ISL81802, an 80V high voltage dual synchronous buck controller that offers external soft-start, independent enable functions, and integrates UV/OV/OC/OT protection. A programmable switching frequency ranging from 100kHz to 1MHz helps to optimize inductor size while the strong gate driver delivers up to 10A for each output.
Eigenschaften
- Wide input range: 18V to 80V for 12V output, 6V to 80V for 5V output
- High light-load efficiency in pulse skipping DEM operation
- Programmable soft-start
- Optional DEM/PWM operation
- Optional CC/HICCUP OCP protection
- Supports pre-bias output with soft-start
- PGOOD indicator
- OVP, OTP, and UVP protection
- Back biased from output to improve efficiency
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-XHMI SMT Speicherdrossel, 4.7 µH, 29.7 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-XHMI SMT Speicherdrossel | Induktivität4.7 µH | Performance Nennstrom29.7 A | Sättigungsstrom @ 30%47.4 A | Gleichstromwiderstand3.1 mΩ | Gleichstromwiderstand3.41 mΩ | Eigenresonanzfrequenz16 MHz | MontageartSMT | ||||
| WE-XHMI SMT Speicherdrossel, 6.8 µH, 25.3 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-XHMI SMT Speicherdrossel | Induktivität6.8 µH | Performance Nennstrom25.3 A | Sättigungsstrom @ 30%40.05 A | Gleichstromwiderstand4.1 mΩ | Gleichstromwiderstand4.51 mΩ | Eigenresonanzfrequenz14 MHz | MontageartSMT |