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TPS53127

ACTIVE

4.5-V to 24-V, 700 kHz synchronous dual-D-CAP2 buck controller

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Data sheet

TPS53127

ACTIVE
Data sheet Order now

Product details

Vin (min) (V) 4.5 Vin (max) (V) 24 Vout (min) (V) 0.76 Vout (max) (V) 5.5 Iout (max) (A) 15 Iq (typ) (mA) 0.45 Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 700 Features Enable, Pre-Bias Start-Up, Synchronous Rectification Operating temperature range (°C) -40 to 85 Regulated outputs (#) 2 Number of phases 1 Rating Catalog Control mode D-CAP2 Type Controller
Vin (min) (V) 4.5 Vin (max) (V) 24 Vout (min) (V) 0.76 Vout (max) (V) 5.5 Iout (max) (A) 15 Iq (typ) (mA) 0.45 Switching frequency (min) (kHz) 700 Switching frequency (max) (kHz) 700 Features Enable, Pre-Bias Start-Up, Synchronous Rectification Operating temperature range (°C) -40 to 85 Regulated outputs (#) 2 Number of phases 1 Rating Catalog Control mode D-CAP2 Type Controller
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
  • Adjustable Soft Start
  • Non-Sinking Pre-Biased Soft Start
  • 700-kHz Switching Frequency
  • Cycle-by-Cycle Over-Current Limiting Control
  • 30-mV to 300-mV OCP Threshold Voltage
  • 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 Pin
      • 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
  • Non-Sinking Pre-Biased Soft Start
  • 700-kHz Switching Frequency
  • Cycle-by-Cycle Over-Current Limiting Control
  • 30-mV to 300-mV OCP Threshold Voltage
  • 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 Pin
      • Digital Set-Top Box (STB)
      • DVD Player/Recorder
      • Gaming Consoles

The TPS53127 is a dual, adaptive on-time D-CAP2™ mode synchronous buck controller. The part enables system designers to cost effectively complete the suite of various end equipment’s power bus regulators with a low external component count and low standby consumption. The main control loop for the TPS53127 uses the D-CAP2 Mode topology which provides a very fast transient response with no external component.

The TPS53127 also has a proprietary circuit that enables the device to adapt not only low equivalent series resistance (ESR) output capacitors such as POSCAP/SP-CAP, but also ceramic capacitor. The part provides a convenient and efficient operation with conversion voltages from 4.5 V to 24 V and output voltage from 0.76 V to 5.5 V.

The TPS53127 is available in the 24 pin RGE/PW package, and is specified from –40°C to 85°C ambient temperature range.

The TPS53127 is a dual, adaptive on-time D-CAP2™ mode synchronous buck controller. The part enables system designers to cost effectively complete the suite of various end equipment’s power bus regulators with a low external component count and low standby consumption. The main control loop for the TPS53127 uses the D-CAP2 Mode topology which provides a very fast transient response with no external component.

The TPS53127 also has a proprietary circuit that enables the device to adapt not only low equivalent series resistance (ESR) output capacitors such as POSCAP/SP-CAP, but also ceramic capacitor. The part provides a convenient and efficient operation with conversion voltages from 4.5 V to 24 V and output voltage from 0.76 V to 5.5 V.

The TPS53127 is available in the 24 pin RGE/PW package, and is specified from –40°C to 85°C ambient temperature range.
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Type Title Date
* Data sheet TPS53127 Dual Synchronous Step-Down Controller For Low Voltage Power Rails datasheet (Rev. A) PDF | HTML 21 Aug 2014
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
User guide TPS53129 Buck Controller Evaluation Module User's Guide (Rev. A) PDF | HTML 10 Jan 2022
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018

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