IC-Hersteller Analog Devices

IC-Hersteller (96)

Analog Devices LT3966

I2C Programmable Quad Monolithic Boost LED Driver

Details

TopologieAbwärts- und Aufwärtswandler
Eingangsspannung5-40 V
Schaltfrequenz300-4000 kHz
Ausgang 112 V / 0.33 A
Ausgang 212 V / 0.33 A
Ausgang 312 V / 0.33 A
Ausgang 412 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

  • Heads Up Displays
  • Backlighting

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Montageart Muster
74437349470SPEC
8 Dateien WE-LHMI SMT Speicherdrossel 47 1.9 1.8 3.4 330 7.3 SMT
Artikel Nr. Daten­blatt Simu­lation
74437349470SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
fres
(MHz)
Montageart Muster