IC-Hersteller Onsemi

IC-Hersteller (99)

Onsemi NCP3066

Up to 1.5 A Constant Current Switching Regulator for LEDs with ON/OFF Function

Details

TopologieAbwärtswandler
Eingangsspannung12-35 V
Schaltfrequenz100-250 kHz
Ausgang 13 A
IC-Revision3

Beschreibung

The NCP3066 is a monolithic switching regulator designed to deliver constant current for powering high brightness LEDs. The device has a very low feedback voltage of 235 mV (nominal) which is used to regulate the average current of the LED string. In addition, the NCP3066 has a wide input voltage up to 40 V to allow it to operate from a 12 Vac or a 12−36 Vdc supply, commonly used for lighting applications as well as unregulated supplies such as rechargeable batteries. The NCP3066 switching regulator can be configured in Step−Down (Buck), Step−Up (Boost) and Voltage−Inverting topologies with a minimum number of external components. TheON/OFF pin provides PWM dimming capability or a low power shutdown mode.

Eigenschaften

  • Integrated 1.5 A Switch
  • Input Voltage Range from 3.0 V to 40 V
  • Logic Level Shutdown Capability
  • Low Feedback Voltage of 235 mV
  • Cycle−by−Cycle Current Limit
  • No Control Loop Compensation Required
  • Frequency of Operation Adjustable up to 250 kHz
  • Analog and Digital PWM Dimming Capability
  • Internal Thermal Shutdown with Hysteresis
  • NCV Prefix for Automotive and Other Applications Requiring Siteand Control Changes
  • These are Pb−Free Devices

Typische Anwendungen

  • Automotive and Marine Lighting
  • Constant Current Source, High Brightness LED Driver
  • Low Voltage and Landscape Lighting

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Downloads Status ProduktserieL
(µH)
IR
(A)
ISAT
(A)
RDC max.
(Ω)
fres
(MHz)
Montageart Muster
74457147SPEC
8 Dateien Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.WE-PD4 SMT-Speicherdrossel 47 2.8 5 0.109 9.2 SMT
Artikel Nr. Daten­blatt
74457147SPEC
Muster
Artikel Nr. Daten­blatt Downloads Status ProduktserieL
(µH)
IR
(A)
ISAT
(A)
RDC max.
(Ω)
fres
(MHz)
Montageart Muster