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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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74439370047 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-XHMI SMT Speicherdrossel | 4.7 | 29.7 | 47.4 | 3.1 | 3.41 | 16 | SMT | ||
| 74439370068 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-XHMI SMT Speicherdrossel | 6.8 | 25.3 | 40.05 | 4.1 | 4.51 | 14 | SMT |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 74439370047 | SPEC | |
| 74439370068 | SPEC |
| Muster |
|---|
| 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 |
|---|