Startseite Energiemanagement AC/DC- und DC/DC-Controller (externer FET)
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AC/DC- und DC/DC-Controller (externer FET)

TPS53114

AKTIV

4,5-V- bis 24-V-Synchron-Abwärtsregler für Niederspannungsschienen

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Ähnliche Funktionalität wie verglichener Baustein
TPS62933 AKTIV Synchroner Abwärtswandler mit niedrigem IQ, 3,8 bis 30 V, 3 A, 200 kHz bis 2,2 MHz, im SOT-583-Gehäu Wider Vin, higher frequency and lower IQ.

TPS53114

AKTIV
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Produktdetails

Rating Catalog Topology Buck Iout (max) (A) 15 Vin (max) (V) 24 Vin (min) (V) 4.5 Vout (max) (V) 5.5 Vout (min) (V) 0.76 Control mode D-CAP2 Features Enable, Prebias startup, Synchronous rectification Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 350 Duty cycle (max) (%) 85 Number of phases 1
Rating Catalog Topology Buck Iout (max) (A) 15 Vin (max) (V) 24 Vin (min) (V) 4.5 Vout (max) (V) 5.5 Vout (min) (V) 0.76 Control mode D-CAP2 Features Enable, Prebias startup, Synchronous rectification Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 350 Duty cycle (max) (%) 85 Number of phases 1
HTSSOP (PWP) 16 32 mm² 5 x 6.4 TSSOP (PW) 16 32 mm² 5 x 6.4
  • D-CAP2™ Mode Control
    • Fast Transient Response
    • No External Parts Required For Loop
      Compensation
    • Compatible with Ceramic Output
      Capacitors
  • High Initial Reference Accuracy
    (±1%)
  • Low Output Ripple
  • Wide Input Voltage Range: 4.5 V to 24 V
  • Output Voltage Range: 0.76 V to 5.5 V
  • Low-Side RDS(on) Loss-Less Current Sensing
  • Adaptive Gate Drivers with Integrated Boost Diode
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • Selectable Switching Frequency
    350 kHz / 700 kHz
  • Cycle-By-Cycle Over Current Limiting Control
  • Thermally Compensated OCP by 4000 ppm/°C at ITRIP
  • APPLICATIONS
    • Point-of-Load Regulation in Low Power
      Systems for Wide Range of Applications
      • Digital TV Power Supply
      • Networking Home Terminal
      • Digital Set Top Box (STB)
      • DVD Player / Recorder
      • Gaming Consoles
  • D-CAP2™ Mode Control
    • Fast Transient Response
    • No External Parts Required For Loop
      Compensation
    • Compatible with Ceramic Output
      Capacitors
  • High Initial Reference Accuracy
    (±1%)
  • Low Output Ripple
  • Wide Input Voltage Range: 4.5 V to 24 V
  • Output Voltage Range: 0.76 V to 5.5 V
  • Low-Side RDS(on) Loss-Less Current Sensing
  • Adaptive Gate Drivers with Integrated Boost Diode
  • Adjustable Soft Start
  • Pre-Biased Soft Start
  • Selectable Switching Frequency
    350 kHz / 700 kHz
  • Cycle-By-Cycle Over Current Limiting Control
  • Thermally Compensated OCP by 4000 ppm/°C at ITRIP
  • APPLICATIONS
    • Point-of-Load Regulation in Low Power
      Systems for Wide Range of Applications
      • Digital TV Power Supply
      • Networking Home Terminal
      • Digital Set Top Box (STB)
      • DVD Player / Recorder
      • Gaming Consoles

The TPS53114 is a single, adaptive on-time D-CAP2™ mode synchronous buck controller. The TPS53114 enables system designers to complete the suite of various end equipment’s power bus regulators with cost effective low external component count and low standby current solution. The main control loop for the TPS53114 uses the D-CAP2™ mode control which provides a very fast transient response with no external components. The TPS53114 also has a circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 24 V and output voltage from 0.76 V to 5.5 V.

The TPS53114 is available in the 16-pin TSSOP and HTSSOP packages, and is specified from –40°C to 85°C ambient temperature range.

The TPS53114 is a single, adaptive on-time D-CAP2™ mode synchronous buck controller. The TPS53114 enables system designers to complete the suite of various end equipment’s power bus regulators with cost effective low external component count and low standby current solution. The main control loop for the TPS53114 uses the D-CAP2™ mode control which provides a very fast transient response with no external components. The TPS53114 also has a circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors such as POSCAP or SP-CAP and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation with input voltages from 4.5 V to 24 V and output voltage from 0.76 V to 5.5 V.

The TPS53114 is available in the 16-pin TSSOP and HTSSOP packages, and is specified from –40°C to 85°C ambient temperature range.
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* Data sheet TPS53114 Single Synchronous Step-down Controller for Low Voltage Power Rails datasheet (Rev. C) PDF | HTML 21 Jul 2011

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