IC-Hersteller XYSemi

IC-Hersteller (95)

XYSemi XR4981A

SYNCHRONOUS BOOST CONTROLLER 2.8V~36V Input 5V~36V Output, Extended NMOS

Details

TopologieAufwärtswandler
Eingangsspannung2.8-36 V
Ausgang 136 V
IC-Revision0.2

Beschreibung

XR4981A is a high efficiency synchronous boost controller that converts from 2.8V~36V input range and up to 36Voutput voltage with two outside N-channel MOSFETs for the synchronous switches.The XR4981A includes adjustable current limit, adjustable soft-start, adjustable compensation net and thermal shutdown preventing damage in the event of an output overload.For different application we can select suitable compensation net、current limit soft start and select suitable MOSFET toobtain a high efficiency

Eigenschaften

  • 2.8V~36V input voltage range
  • Adjustable output voltage from 5V to 36V
  • 1.21V VFB reference voltage
  • Adjustable current limit
  • Adjustable soft-start
  • Adjustable compensation net
  • Input under voltage lockout
  • 400KHz fixed switching frequency
  • Thermal shutdown
  • QFN3x3-16 Package Rohs Compliant and Halogen Free

Typische Anwendungen

  • 5V/9V/12V BUS Power Supply / Power Amplify Device
  • Type C USB Device
  • Power Bank

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
MaterialRDC max.
(mΩ)
LR
(µH)
RDC typ.
(mΩ)
Montageart Muster
744311220SPEC
8 Dateien WE-HCI SMT-Hochstrominduktivität 2.2 10.2 5.6 13 11.4 52 Superflux 12.54 1.75 SMT
7443330220SPEC
8 Dateien WE-HCC SMT-Hochstrominduktivität 2.2 17.4 22.5 25.6 80 Ferrite 4.8 2.1 4.6 SMT
74439358022SPEC
8 Dateien WE-XHMI SMT Speicherdrossel 2.2 21.85 12.55 26.45 3.7 33 4.07 SMT
74437349022SPEC
8 Dateien WE-LHMI SMT Speicherdrossel 2.2 9.9 10.5 19.1 30 12 SMT
74437368022SPEC
8 Dateien WE-LHMI SMT Speicherdrossel 2.2 14.3 18.1 38.7 27 7 SMT
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
MaterialRDC max.
(mΩ)
LR
(µH)
RDC typ.
(mΩ)
Montageart Muster