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RICHTEK RT6575EGQW(2)

Hersteller
RICHTEKAsian Brands
Herst.-Teilenr.
RT6575EGQW(2)
LCSC-Nr.
C6208475
Verp.
WQFN-20(3x3)
Kundennummer
Hauptmerkm.
Dual-Channel Synchronous DC-DC Step-Down Controller with 5V/3.3V LDOs
DatenblattRICHTEK RT6575EGQW(2)
RoHS-Konformität1 Dokumente verfügbar
Alternativteile1
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Stk.E-Preis(Nur als Referenz)Gesamtbetrag
1+$ 1.5411$ 1.54
200+$ 0.6153$ 123.06
500+$ 0.594$ 297.00
1,500+$ 0.585$ 877.50
Standardgehäuse1500/Full Reel
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Produktspezifikationen

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TypBeschreibung
KategorieIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear + Switching
HerstellerRICHTEK
Verp.WQFN-20(3x3)
Synchronous RectifierYes
FunctionStep-down type
Frequency - Switching300kHz;355kHz
Number of Outputs4
Output TypeAdjustable
Quiescent Current15uA
Output Voltage2V~5.5V;2V~4V
Operating Voltage5V~25V
Operating Temperature-40℃~+85℃@(TA)
Output Current100mA
TopologyBuck
FeaturesAdjustable current limiting;Cycle-by-cycle current limiting;Protection latch;Output discharge;Light load efficient mode;Built-in LDO regulator;Operating status indication;Overcurrent Protection
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Beschreibung

KI-Übersetzung

The RT6575E is a dual-channel step-down controller generating supply voltages for battery-powered systems. It includes two Pulse-Width Modulation (PWM) controllers adjustable from 2V to 5.5V, and two fixed 5V/3.3V linear regulators. Each linear regulator provides up to 100mA output current and 3.3V linear regulator provides 1% accuracy under 35mA. The RT6575E has an oscillator output to drive the external charge pump application. Other features include on-board power-up sequencing, a powergood output, internal soft-start, and soft-discharge output that prevents negative voltage during shutdown. A constant current ripple PWM control scheme operates without sense resistors and provides 100ns response to load transient. For maximizing power efficiency, the RT6575E automatically switches to the diode-emulation mode in light load applications. The RT6575E is available in the WQFN-20L 3x3 package.

Merkmale

KI-Übersetzung
  • Support Connected Standby Mode for Ultrabook
  • CCRCOT Control with 100ns Load Step Response
  • PWM Maximum Duty Ratio >98%
  • 5V to 25V Input Voltage Range
  • Dual Adjustable Output:
    • CH1: 2V to 5.5V
    • CH2: 2V to 4V
  • 5V/3.3V LDOs with 100mA Output Current
  • 1% Accuracy on 3.3V LDO Output
  • Oscillator Driving Output for Charge Pump Application
  • Internal Frequency Setting:
    • 300kHz/355kHz (CH1/CH2)
  • Internal Soft-Start and Soft-Discharge
  • 4700ppm/°C RDS(ON) Current Sensing
  • Independent Switcher Enable Control
  • Built-In OVP/UVP/OCP/OTP
  • Non-Latch UVLO
  • Power Good Indicator
  • RoHS Compliant and Halogen Free

Anwendungen

KI-Übersetzung
  • Notebook and Sub-Notebook Computers
  • System Power Supplies
  • 2-Cell to 4-Cell Li+ Battery-Powered Devices

Alternativteile

MPNHerstellerVerpackungVerfügbarkeitStückpreis
RT6575AGQWRICHTEKWQFN-20(3x3)0$ 0.9545