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TPS53124
  • TPS53124
  • TPS53124
  • TPS53124

TPS53124

ACTIVE

4.5-V to 24-V, synchronous dual-D-CAP buck controller

Texas Instruments TPS53124 Product Info

1 April 2026 2

Parameters

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-CAP

Features

Enable, Pre-Bias Start-Up, Synchronous Rectification

Duty cycle (max) (%)

89

Iq (typ) (A)

0.00045

Number of phases

1

Operating temperature range (°C)

-40 to 85

Package

TSSOP (PW)-28-62.08 mm² 9.7 x 6.4

Features

  • High Efficiency, Low-Power Consumption
  • D-Cap Mode Enables Fast Transient Response
  • High Initial Reference Accuracy
  • 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
  • Built-In 5-V Linear Regulator
  • High Efficiency, Low-Power Consumption
  • D-Cap Mode Enables Fast Transient Response
  • High Initial Reference Accuracy
  • 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
  • Built-In 5-V Linear Regulator

Description

The TPS53124 is a dual, Adaptive on-time DCAP mode synchronous controller. The part enables system designers to cost effectively complete the suite of digital TV power bus regulators with the absolute lowest external component count and lowest standby consumption. The main control loop for the TPS53124 uses the D-CAP™ mode that optimized for low ESR output capacitors such as POSCAP or SP-CAP promises fast transient response with no external compensation. 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.

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