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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 23-60 V |
| Schaltfrequenz | 200-2200 kHz |
| Ausgang 1 | 12 V / 0.1 A |
Beschreibung
The LT®8618 is a compact, high speed synchronous monolithic step-down switching regulator that delivers up to 100mA with high efficiency at constant switching frequency, even up to 2.2MHz. It accepts a wide input voltage range up to 65V (transients only, 60V for continuous operation), and consumes only 2.5μA of quiescent current.
Eigenschaften
- High Efficiency Synchronous Operation
90% Efficiency at 30mA, 12VIN to 3.3VOUT
- Ultralow Quiescent Current Burst Mode® Operation
- < 2.5μA IQ Regulating 48VIN to 3.3VOUT
- Output Ripple < 10mVP-P
- 3.4V to 60V Input Operation Range (65V Max)
- Fast Minimum Switch-On Time: 35ns
- Adjustable Switching Frequency: 200kHz to 2.2MHz
- Fixed 3.3V Output Voltage Version
- Allows Tiny Inductors
- Accurate 1V Enable Pin Threshold
- Internal Compensation
- Output Soft-Start and Tracking
- Small 10-Lead 3mm . 2mm DFN
- AEC-Q100 Qualification in Progress
Typische Anwendungen
- Industrial Sensors, Industrial Internet of Things, Flow Meters
- 4mA to 20mA Current Loops, Automotive Housekeeping Supplies
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT(A) | RDC(mΩ) | fres(MHz) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LQS SMT-Speicherdrossel, 220 µH, 0.25 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LQS SMT-Speicherdrossel | Induktivität220 µH | Nennstrom0.25 A | Sättigungsstrom0.39 A | Gleichstromwiderstand3450 mΩ | Eigenresonanzfrequenz5.3 MHz |