de

Warenkorb

Ihr Warenkorb ist leer.

IC-Referenzdesignsuche
IC-Hersteller Semtech

IC-Hersteller (79)

Semtech SC2440A

Dual 30V Step-Down Switching Regulator with 2A Switches

Details

Topologie Abwärtswandler
Eingangsspannung 20-28 V
Ausgang 1 3.3 V / 1.8 A
Ausgang 2 5 V / 1.8 A
IC-Revision 2.4

Beschreibung

(a) Synchronized 600kHz 24V to 5V and 3.3V Dual Step-down Converter.The free-running frequency of the regulator is set to 580kHz.(b) Efficiency(c) Switching Waveforms. VIN = 24V, IOUT1 = IOUT2 = 1A.(d) Start-up Waveforms. VIN = 24V, IOUT1 = IOUT2 = 0.5A.

Eigenschaften

Wide Input Voltage Range: 2.8V to 30VTwo Integrated 2A SwitchesUp to 2.5MHz per Channel Programmable ConstantSwitching FrequencyOut of Phase Switching Reduces Input RippleBoth Switching Regulators share a single Input FilteringCapacitor, Reducing CostExternal SynchronizationCycle-by-Cycle Current-limitingIndependent Soft-Start/Enable PinsIndependent Hiccup Overload ProtectionPower Good Indicators Ease Output SequencingLow Shutdown CurrentThermally Enhanced 16-pin TSSOP Lead Free PackageFully WEEE and RoHS Compliant

Typische Anwendungen

  • XDSL and Cable Modems
  • Point of Load Applications
  • Security Cameras

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Downloads Produktserie L
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Bauform Version Muster
744777910
IGS STP ALT EAG CAD LTS PSP SPE CAD WE-PD SMT-Speicherdrossel 10 2 2.6 45 49 26 7345 Robust
7447779112
IGS STP ALT EAG CAD LTS PSP SPE CAD WE-PD SMT-Speicherdrossel 12 1.82 2.4 50 58 23 7345 Robust
Artikel Nr. Daten­blatt
744777910
7447779112
Muster
Artikel Nr. Daten­blatt Downloads Produktserie L
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Bauform Version Muster