IC-Hersteller SG-Micro

IC-Hersteller (104)

SG-Micro SGM61235C | Demoboard SGM61235CEVM

8V to 28V Input (12V TYP), 5V/3A Output

Details

TopologieAbwärtswandler
Eingangsspannung8-28 V
Ausgang 15 V / 3 A
IC-Revision00

Beschreibung

The SGM61235C is an adaptive constant on-time control (ACOT) synchronous Buck converter with a wide input voltage range of 4.5V to 28V. This device has 3A output current capability and operates at pseudo-fixed frequency. It is an easy-to-use device with power switches and internal compensation circuit, which are all integrated in a small 6-pin package, and supports low equivalent series resistance (ESR) output capacitors. A typical 3.5ms soft-start ramp is also included to minimize the inrush current. Protection features include cycle-by-cycle current limit, hiccup current-protection mode, output over-voltage protection and thermal shutdown in case of excessive power dissipation. The SGM61235C enters pulse-skip mode (PSM) to improve efficiency during light load operation. The SGM61235C is available in a Green TSOT-23-6 package.

Eigenschaften

  • Wide 4.5V to 28V Input Voltage Range
  • 0.594V to 7V Output Voltage Range
  • 3A Continuous Output Current
  • Integrated 62mΩ/32mΩ Power MOSFETs
  • Low Quiescent Current: 45μA (TYP)
  • Shutdown Current: 2.5μA (TYP)
  • 3.5ms Internal Soft-Start Time
  • Pseudo-Fixed 700kHz Switching Frequency
  • Adaptive Constant On-Time Mode Control
  • Pulse-Skip Mode
  • Hiccup Current-Protection Mode
  • Output Over-Voltage Protection
  • Adjustable Input Under-Voltage Lockout
  • Thermal Shutdown with Auto Recovery
  • Available in a Green TSOT-23-6 Package

Typische Anwendungen

  • Industrial and Consumer Applications
  • 12V Distributed Power Supply Buses
  • White Goods, Digital Television Printers

Weiterführende Informationen

Artikeldaten

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Artikel Nr.
Daten­blatt
Simu­lation
Downloads
Status
Produktserie
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
fres(MHz)
Montageart
MusterVerfügbarkeit & Muster
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SPECWE-LHMI SMT Speicherdrossel, 4.7 µH, 6.2 A
Simu­lation
Verfügbarkeit
Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.
Induktivität4.7 µH
Performance Nennstrom6.2 A
Sättigungsstrom 17.5 A
Sättigungsstrom @ 30%14.6 A
Gleichstromwiderstand30.8 mΩ
Eigenresonanzfrequenz24 MHz
MontageartSMT 
Verfügbarkeit prüfen