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Details
| Topologie | Abwärts- und Aufwärtswandler |
| Eingangsspannung | 5-40 V |
| Schaltfrequenz | 300-4000 kHz |
| Ausgang 1 | 12 V / 0.33 A |
| Ausgang 2 | 12 V / 0.33 A |
| Ausgang 3 | 12 V / 0.33 A |
| Ausgang 4 | 12 V / 0.33 A |
Beschreibung
The LT®3966 is an I2C programmable monolithic boost LED driver with four independent channels. Each channelprovides a 60V current mode boost converter with an internal 1.6A DMOS power switch, as well as internal and external analog and PWM dimming features. I2C programmable features include a 13-bit (8192:1) digital PWM generator, 8-bit analog dimming DAC, and flexible fault reporting and handling.
Eigenschaften
- Four Independent DC/DC Channels
- I2C Programmable
- 8192:1 True Color PWM™ Dimming
- 8-Bit Analog Dimming Pin Scaled by DAC
- 11-Channel, 8-Bit ADC with 2 External Inputs
- 1.6A, 60V Internal DMOS Switches
- Input Voltage: 3V to 60V
- Output Voltage and Current Monitoring to 60V
- High Side PMOS Disconnect and PWM Switch Driver
- Adjustable Frequency: 300kHz to 4MHz with Optional Frequency Synchronization
- Thermally Enhanced 6mm × 6mm 40-Lead QFN Package
- AEC-Q100 Qualification in Progress
Typische Anwendungen
- Backlighting
- Heads Up Displays
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-LHMI SMT Speicherdrossel, 47 µH, 1.9 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-LHMI SMT Speicherdrossel | Induktivität47 µH | Performance Nennstrom1.9 A | Sättigungsstrom 11.8 A | Sättigungsstrom @ 30%3.4 A | Gleichstromwiderstand330 mΩ | Eigenresonanzfrequenz7.3 MHz | MontageartSMT |