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TPS61089 - Synchronous Boost Converter

General Description

The TPS61089x represents the TPS61089 and the TPS610891.

The TPS61089x is a fully-integrated synchronous boost converter with a 19-mΩ main power switch and a 27-mΩ rectifier switch.

Key Features

  • Input voltage range: 2.7 V to 12 V.
  • Output voltage range: 4.5 V to 12.6 V.
  • Up to 90% efficiency at VIN = 3.3 V, VOUT = 9 V, and IOUT = 2 A.
  • Resistor-programmable peak current limit up to 10 A for high pulse current.
  • Adjustable switching frequency: 200 kHz to 2.2 MHz.
  • 4-ms built-in soft start time.
  • PFM operation mode at light load (TPS61089).
  • Forced PWM operation mode at light load (TPS610891).
  • Internal output over.

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Other Datasheets by Texas Instruments

Part Number Description
TPS610891 Synchronous Boost Converter
TPS61080 High-Voltage DC-DC Boost Converter
TPS61081 High-Voltage DC-DC Boost Converter
TPS61085 Step-Up DC-DC Converter
TPS61085-Q1 Step-Up DC-DC Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
TPS61089, TPS610891 SLVSD38C – NOVEMBER 2015 – REVISED AUGUST 2021 TPS61089x 12.6-V, 7-A Fully-Integrated Synchronous Boost Converters in 2.0-mm x 2.5-mm VQFN Package 1 Features • Input voltage range: 2.7 V to 12 V • Output voltage range: 4.5 V to 12.6 V • Up to 90% efficiency at VIN = 3.3 V, VOUT = 9 V, and IOUT = 2 A • Resistor-programmable peak current limit up to 10 A for high pulse current • Adjustable switching frequency: 200 kHz to 2.2 MHz • 4-ms built-in soft start time • PFM operation mode at light load (TPS61089) • Forced PWM operation mode at light load (TPS610891) • Internal output overvoltage protection at 13.2 V • Cycle-by-cycle overcurrent protection • Thermal shutdown • 2.00-mm × 2.