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

TPS40052

AKTIV

Synchroner Abwärtsregler mit breitem Eingangsspannungsbereich (8 V–40 V) und bis zu 1 MHz Frequenz,

Eine neuere Version dieses Produkts ist verfügbar

Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
LM25145 AKTIV Synchroner DC/DC-Abwärtscontroller (Buck), 6 bis 42 V, mit großem Arbeitszyklusbereich Enhanced performance available

Produktdetails

Vin (min) (V) 10 Vin (max) (V) 40 Iout (max) (A) 20 Operating temperature range (°C) -40 to 85 Control mode Voltage mode Topology Buck Controller Rating Catalog Vout (min) (V) 0.7 Vout (max) (V) 35 Features Enable, Frequency synchronization, Synchronous Rectification Iq (typ) (µA) 1500 Duty cycle (max) (%) 85 Number of phases 1
Vin (min) (V) 10 Vin (max) (V) 40 Iout (max) (A) 20 Operating temperature range (°C) -40 to 85 Control mode Voltage mode Topology Buck Controller Rating Catalog Vout (min) (V) 0.7 Vout (max) (V) 35 Features Enable, Frequency synchronization, Synchronous Rectification Iq (typ) (µA) 1500 Duty cycle (max) (%) 85 Number of phases 1
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • Operating Input Voltage 10 V to 40 V
  • Programmable Fixed-Frequency Up to
    100 kHz to 1 MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side
    and Synchronous N-Channel MOSFETs
  • 16-Pin PowerPAD™ Package (JC = 2°C/W)
  • Thermal Shutdown
  • Externally Synchronizable
  • Programmable Short-Circuit Protection
  • Programmable Closed-Loop Soft-Start
  • APPLICATIONS
    • DDR Tracking Regulators
    • Power Modules
    • Networking Equipment
    • Industrial Servers

  • Operating Input Voltage 10 V to 40 V
  • Programmable Fixed-Frequency Up to
    100 kHz to 1 MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side
    and Synchronous N-Channel MOSFETs
  • 16-Pin PowerPAD™ Package (JC = 2°C/W)
  • Thermal Shutdown
  • Externally Synchronizable
  • Programmable Short-Circuit Protection
  • Programmable Closed-Loop Soft-Start
  • APPLICATIONS
    • DDR Tracking Regulators
    • Power Modules
    • Networking Equipment
    • Industrial Servers

The TPS40052 is part of a family of high-voltage, wide input, synchronous, step-down converters. The TPS40052 offers design flexibility with a variety of user programmable functions, including soft-start, operating frequency, high-side current limit, and loop compensation.

The TPS40052 is also synchronizable to an external supply. It incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction.

The externally programmable short circuit protection provides pulse-by-pulse current limit, as well as hiccup mode operation utilizing an internal fault counter for longer duration overloads.

The TPS40052 is part of a family of high-voltage, wide input, synchronous, step-down converters. The TPS40052 offers design flexibility with a variety of user programmable functions, including soft-start, operating frequency, high-side current limit, and loop compensation.

The TPS40052 is also synchronizable to an external supply. It incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction.

The externally programmable short circuit protection provides pulse-by-pulse current limit, as well as hiccup mode operation utilizing an internal fault counter for longer duration overloads.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS40052 Synchronous Buck Controller datasheet (Rev. C) 13 Jul 2004

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