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TPS6286A08
  • TPS6286A08
  • TPS6286A08
  • TPS6286A08

TPS6286A08

ACTIVE

2.4V-to-5.5V input, 8A high-frequency step-down converter

Texas Instruments TPS6286A08 Product Info

1 April 2026 4

Parameters

Rating

Catalog

Topology

Buck

Iout (max) (A)

8

Vin (max) (V)

5.5

Vin (min) (V)

2.4

Vout (max) (V)

5.5

Vout (min) (V)

0.6

Switch current limit (typ) (A)

11

Features

Adjustable soft start, Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Pre-bias startup, Soft Start Adjustable, Synchronous Rectification, Thermal shutdown

EMI features

Low parasitic Hotrod packaging

Control mode

DCS-Control

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.000005

Duty cycle (max) (%)

100

Package

VQFN-HR (VBM)-13-6 mm² 3 x 2

Features

  • 2.4V to 5.5V input voltage range
  • 8mΩ and 8mΩ internal power MOSFETs
  • 5.1µA operating quiescent current
  • 1.2MHz switching frequency
  • 100% duty cycle mode
  • 0.7% output voltage accuracy
  • Forced PWM or power save mode
  • DCS-Control topology (constant on-time)
  • FB version (TPS6286Axx) output voltage:
    • Adjustable from 0.6V to Vin
    • Fixed (by external resistor) from 0.4V to 1.6V
  • I2C version (TPS6286Bxx) with selectable:
    • Output voltage from 0.4V to 1.675V with 5mV step size
    • Power save mode or forced PWM mode
    • Hiccup or latching short-circuit protection
    • Dynamic, adaptive voltage scaling ramp speed
  • Output voltage discharge
  • Hiccup short-circuit protection
  • Power-good indicator with window comparator
  • Thermal shutdown
  • Adjustable soft start
  • –40°C to 125°C operating temperature range
  • Create a custom design using the TPS6286Axx and TPS6286Bxx with the WEBENCH Power Designer
  • 2.4V to 5.5V input voltage range
  • 8mΩ and 8mΩ internal power MOSFETs
  • 5.1µA operating quiescent current
  • 1.2MHz switching frequency
  • 100% duty cycle mode
  • 0.7% output voltage accuracy
  • Forced PWM or power save mode
  • DCS-Control topology (constant on-time)
  • FB version (TPS6286Axx) output voltage:
    • Adjustable from 0.6V to Vin
    • Fixed (by external resistor) from 0.4V to 1.6V
  • I2C version (TPS6286Bxx) with selectable:
    • Output voltage from 0.4V to 1.675V with 5mV step size
    • Power save mode or forced PWM mode
    • Hiccup or latching short-circuit protection
    • Dynamic, adaptive voltage scaling ramp speed
  • Output voltage discharge
  • Hiccup short-circuit protection
  • Power-good indicator with window comparator
  • Thermal shutdown
  • Adjustable soft start
  • –40°C to 125°C operating temperature range
  • Create a custom design using the TPS6286Axx and TPS6286Bxx with the WEBENCH Power Designer

Description

The TPS6286Axx and TPS6286Bxx devices are high-frequency, synchronous, step-down converters, which provide an efficient, flexible, and high power-density design. At medium to heavy loads, the converters operate in pulse width modulation (PWM) mode and automatically enter power save mode operation at light load to maintain high efficiency over the entire load current range. The devices can also be forced in PWM mode operation to minimize output voltage ripple. Together with the DCS-Control architecture, excellent load transient performance and tight output voltage accuracy is achieved. The devices feature a Power-Good signal and an adjustable soft-start feature. The devices are able to operate in 100% mode. For fault protection, the devices incorporate a HICCUP short-circuit protection as well as a thermal shutdown.

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