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IC-Hersteller MaxLinear

IC-Hersteller (79)

MaxLinear SP6652

1A, High Efficiency, Fixed 1.4 MHz Current Mode PWM Buck Regulator

Details

Topologie Abwärtswandler
Schaltfrequenz 1200-1600 kHz
IC-Revision J

Beschreibung

The SP6652 is a high efficiency, synchronous buck regulator ideal for portable applications using one Li-Ion cell, with up to 1A of output current. The 1.4MHz switching frequency and PWM control loop are optimized for a small value inductor and ceramic output capacitor, for space constrained portable designs. In addition, the input voltage range of 2.7V to 5.5V; excellent transient response, output accuracy, and ability to transition into 100% duty cycle operation -- further extending useful battery life -- make the SP6652 a superior choice for a wide range of portable power applications. A logic level shutdown control, external clock synchronization, and forced-PWM or automatic control inputs are provided. Other features include soft-start, over current protection and 140ºC over-temperature shutdown.

Eigenschaften

1A Output Current

  • 1.4MHz Constant Frequency Operation
  • 97% Efficiency Possible
  • 0.5μA (Max.) Shutdown Current
  • Adjustable Output Voltage
  • No External FETs or Schottky Diode Required
  • Uses Small Value Inductors and Ceramic Output Capacitors
  • Low Dropout Operation: 100% Duty Cycle
  • Soft Start and thermal Shutdown Protection
  • Easy Frequency Synchonization
  • Lead Free, RoHS Compliant package: l
  • Small (3mm X 3mm) 10 Pin DFN or MSOP

Typische Anwendungen

  • Mobile Phones
  • Point of Use Power
  • DSCs
  • PDAs, USB Devices
  • MP3 Players

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Downloads Produktserie L
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
fres
(MHz)
Montageart Muster
744042003
STE ALT EAG CAD LTS PSP SPE IGS CAD WE-TPC SMT-Speicherdrossel 3.3 1.95 1.8 50 80 SMT
Artikel Nr. Daten­blatt
744042003
Muster
Artikel Nr. Daten­blatt Downloads Produktserie L
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
fres
(MHz)
Montageart Muster