IC-Hersteller Texas Instruments

IC-Hersteller (103)

Texas Instruments TI / TPS610991

Synchronous Boost Converter with 800 nA Ultra-Low Quiescent Current

Details

TopologieAbwärts- und Aufwärtswandler
Eingangsspannung0.7-5.5 V
Ausgang 11.8 V
IC-RevisionH

Beschreibung

The TPS61099x device is a synchronous boostconverter with 1-μA ultra-low quiescent current. Thedevice is designed for products powered by analkaline battery, NiMH rechargeable battery, Li-Mnbattery or rechargeable Li-Ion battery, for which highefficiency under light load condition is critical toachieve long battery life operation.

Eigenschaften

600 nA Ultra-Low IQ into VOUT Pin

  • 400 nA Ultra-Low IQ into VIN Pin
  • Operating Input Voltage from 0.7 V to 5.5 V
  • Adjustable Output Voltage from 1.8 V to 5.5 V
  • Fixed Output Voltage Versions Available
  • Minimum 0.8 A Switch Peak Current Limit
  • Regulated Output Voltage in Down Mode
  • True Disconnection During Shutdown
  • Up to 75% Efficiency at 10 μA Load with FixedOutput Voltage Versions
  • Up to 93% Efficiency from 10 mA to 300 mA Load
  • 6-Ball 1.23 mm x 0.88 mm WCSP Package

Typische Anwendungen

  • Memory LCD Bias / Optical Heart Rate Monitor LED Bias
  • Wearable Applications / Portable Products
  • Low Power Wireless Applications
  • Battery Powered Systems

Weiterführende Informationen

Artikeldaten

Artikel Nr.
Daten­blatt
Simu­lation
Downloads
Status
Produktserie
L(µH)
IR(A)
ISAT(A)
RDC(mΩ)
fres(MHz)
Muster
WE-LQS SMT-Speicherdrossel, 1 µH, 2.3 A
Simu­lation
Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.
Induktivität1 µH
Nennstrom2.3 A
Sättigungsstrom2.5 A
Gleichstromwiderstand36 mΩ
Eigenresonanzfrequenz159 MHz
WE-LQS SMT-Speicherdrossel, 2.2 µH, 1.65 A
Simu­lation
Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.
Induktivität2.2 µH
Nennstrom1.65 A
Sättigungsstrom1.9 A
Gleichstromwiderstand80 mΩ
Eigenresonanzfrequenz83 MHz