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TPS62916
  • TPS62916
  • TPS62916
  • TPS62916

TPS62916

ACTIVE

17-VIN, 6-A low-noise low-ripple buck converter with integrated ferrite-bead filter&nb

Texas Instruments TPS62916 Product Info

1 April 2026 2

Parameters

Rating

Catalog

Topology

Buck

Iout (max) (A)

6

Vin (max) (V)

17

Vin (min) (V)

3

Vout (max) (V)

5.5

Vout (min) (V)

0.8

Features

Enable, Frequency synchronization, Low Noise, Output discharge, Overcurrent protection, Power good, Soft-start adjustable, Spread Spectrum, Synchronous rectification, UVLO Fixed

Control mode

current mode

Operating temperature range (°C)

-40 to 150

Iq (typ) (A)

0.005

Duty cycle (max) (%)

100

Package

VQFN-HR (RPY)-14-7.5 mm² 2.5 x 3

Features

  • Low output 1/f noise < 20µVRMS(100Hz to 100kHz)
  • Low output voltage ripple < 10µVRMS after ferrite bead
  • High PSRR of > 65dB (up to 100kHz)
  • 2.2MHz, 1.4MHz, or 1.0MHz fixed frequency peak current mode control
  • Synchronizable with external clock (optional)
  • Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
  • Spread spectrum modulation (optional)
  • 3.0V to 17V input voltage range
  • 0.8V to 5.5V output voltage range
  • 25mΩ/7mΩ RDSon
  • Output voltage accuracy of ±1% over temperature
  • Precise enable input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • Adjustable soft start
  • Power-good output
  • Output discharge (optional)
  • –40°C to 150°C junction temperature range
  • 2. mm × 3.0mm QFN with 0.5mm pitch
  • Create a custom design using the TPS6291x with the WEBENCH Power Designer
  • Low output 1/f noise < 20µVRMS(100Hz to 100kHz)
  • Low output voltage ripple < 10µVRMS after ferrite bead
  • High PSRR of > 65dB (up to 100kHz)
  • 2.2MHz, 1.4MHz, or 1.0MHz fixed frequency peak current mode control
  • Synchronizable with external clock (optional)
  • Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
  • Spread spectrum modulation (optional)
  • 3.0V to 17V input voltage range
  • 0.8V to 5.5V output voltage range
  • 25mΩ/7mΩ RDSon
  • Output voltage accuracy of ±1% over temperature
  • Precise enable input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • Adjustable soft start
  • Power-good output
  • Output discharge (optional)
  • –40°C to 150°C junction temperature range
  • 2. mm × 3.0mm QFN with 0.5mm pitch
  • Create a custom design using the TPS6291x with the WEBENCH Power Designer

Description

The TPS6291x devices are a family of high-efficiency, low noise, and low ripple current mode synchronous buck converters. The devices are designed for noise sensitive applications that normally use an LDO for post regulation such as high-speed ADCs, clock and jitter cleaner, serializer, de-serializer, and radar applications.

To reduce the output voltage ripple, the device loop compensation is designed to operate with an optional second-stage ferrite bead L-C filter. Low-frequency noise levels, similar to a low-noise LDO, are further achieved by filtering the internal voltage reference with a capacitor connected to the NR/SS pin. Combined, these features allow for an output voltage ripple below 10µVRMS.

The device operates at a fixed switching frequency of 2.2MHz, 1.4MHz, or 1MHz, and can be synchronized to an external clock. An optional spread spectrum modulation scheme spreads the DC/DC switching frequency over a wider span, which lowers the mixing spurs.

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