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

TPS53126

AKTIV

4,5 V bis 24 V, Synchron-Dual-D-CAP2-Abwärtsregler mit wählbarer Schaltfrequenz

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Datenblatt

TPS53126

AKTIV
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Produktdetails

Vin (min) (V) 4.5 Vin (max) (V) 24 Iout (max) (A) 15 Operating temperature range (°C) -40 to 85 Control mode D-CAP2 Topology Buck Rating Catalog Vout (min) (V) 0.76 Vout (max) (V) 5.5 Features Enable, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 450 Duty cycle (max) (%) 89 Number of phases 1
Vin (min) (V) 4.5 Vin (max) (V) 24 Iout (max) (A) 15 Operating temperature range (°C) -40 to 85 Control mode D-CAP2 Topology Buck Rating Catalog Vout (min) (V) 0.76 Vout (max) (V) 5.5 Features Enable, Pre-Bias Start-Up, Synchronous Rectification Iq (typ) (µA) 450 Duty cycle (max) (%) 89 Number of phases 1
TSSOP (PW) 24 49.92 mm² 7.8 x 6.4 VQFN (RGE) 24 16 mm² 4 x 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
  • Internal 1.2 ms Voltage-Servo Soft Start
  • Pre-Biased Soft Start
  • Selectable Switching Frequency: 350 kHz / 700
    kHz
  • Cycle-by-Cycle Over-Current Limiting Control
  • 30 mV to 300 mV OCP Threshold Voltage
  • Thermally Compensated OCP by 4000 ppm/C° at
    ITRIP
  • 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
  • Internal 1.2 ms Voltage-Servo Soft Start
  • Pre-Biased Soft Start
  • Selectable Switching Frequency: 350 kHz / 700
    kHz
  • Cycle-by-Cycle Over-Current Limiting Control
  • 30 mV to 300 mV OCP Threshold Voltage
  • Thermally Compensated OCP by 4000 ppm/C° at
    ITRIP

The TPS53126 is a dual, adaptive on-time, D-CAP2™ mode synchronous Buck controller. The TPS53126 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low external component count, and low standby current solution. The main control loop for the TPS53126 uses the D-CAP2™ mode control which provides a very fast transient response with no external components. The TPS53126 also has a proprietary 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 voltages from 0.76 V to 5.5 V.

The TPS53126 is available in 4mm × 4mm 24 pin VQFN (RGE) or 24 pin TSSOP (PW) packages and is specified from –40°C to 85°C ambient temperature range.

The TPS53126 is a dual, adaptive on-time, D-CAP2™ mode synchronous Buck controller. The TPS53126 enables system designers to complete the suite of various end equipment’s power bus regulators with a cost effective, low external component count, and low standby current solution. The main control loop for the TPS53126 uses the D-CAP2™ mode control which provides a very fast transient response with no external components. The TPS53126 also has a proprietary 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 voltages from 0.76 V to 5.5 V.

The TPS53126 is available in 4mm × 4mm 24 pin VQFN (RGE) or 24 pin TSSOP (PW) packages and is specified from –40°C to 85°C ambient temperature range.
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Technische Dokumentation

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* Data sheet TPS53126 Dual Synchronous Step-down Controller For Low Voltage Power Rails datasheet (Rev. B) PDF | HTML 28 Apr 2014
User guide TPS53126 Buck Controller Evaluation Module User's Guide (Rev. A) PDF | HTML 25 Jan 2022
User guide TPS53127 Buck Controller Evaluation Module User's Guide (Rev. A) PDF | HTML 25 Jan 2022
User guide TPS53128 Buck Controller Evaluation Module User's Guide (Rev. A) PDF | HTML 25 Jan 2022
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Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018

Design und Entwicklung

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
TSSOP (PW) 24 Ultra Librarian
VQFN (RGE) 24 Ultra Librarian
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