TPS53126PW Part Information

Details for TPS53126PW by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The TPS53126 is a dual, adaptive on-time, DCAP2™ 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 DCAP2™ 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 x 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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Part Features

  • 30 mV to 300 mV OCP Threshold Voltage
  • Adaptive Gate Drivers with Integrated Boost Diode
  • Cycle-by-Cycle Over-Current Limiting Control
  • D-CAP2u2122 Mode Control u2013 Fast Transient Response u2013 No External Parts Required For Loop Compensation u2013 Compatible with Ceramic Output Capacitors
  • High Initial Reference Accuracy (u00b11%)
  • Internal 1.2 ms Voltage-Servo Soft Start
  • Low Output Ripple
  • Low-Side RDS(on) Loss-Less Current Sensing
  • Output Voltage Range: 0.76 V to 5.5 V
  • Pre-Biased Soft Start
  • Selectable Switching Frequency: 350 kHz / 700 kHz
  • Thermally Compensated OCP by 4000 ppm/Cu00b0 at
  • Wide Input Voltage Range: 4.5 V to 24 V

Part Specifications

Supply Voltage Min 4.5V
Supply Voltage Max 24V
No. of Outputs 2 Output, 2Outputs
Duty Cycle (%) 89%
Controller IC Case Style TSSOP
No. of Pins 24Pins
Switching Frequency 700kHz
Topology Synchronous Buck (Step Down)
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Accuracy % 1%
Adjustable Output Voltage Min 760mV
Base Number 53126
Frequency 700kHz
Operating Temperature Range -40°C to +85°C
Output Current 170mA
Output Current Max 15A
Output Voltage 5.5V
Primary Input Voltage 24V
Termination Type Surface Mount Device
Voltage Regulator Type Synchronous Buck
RoHS Compliant

Alternative Part Descriptions

  • 4.5-V to 24-V, synchronous dual-D-CAP2 buck controller with selectable switching frequency | Texas Instruments
  • DC/DC Converter [Texas Instruments] TPS53126PW DC/DC Converter | Distrelec

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