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TPS22970 - On-Resistance Load Switch

General Description

The TPS22970 is a small, space-saving load switch with controlled Turn-ON to reduce inrush current.

The device contains an N-channel MOSFET that can operate over an input voltage range of 0.65 V to 3.6 V and pulsed switch currents up to 4 A.

Key Features

  • 1 Input Voltage Range (VIN): 0.65 V to 3.6 V.
  • On-Resistance.
  • RON = 4.7 mΩ (Typical) at VIN ≥ 1.8 V.
  • RON = 5.1 mΩ (Typical) at VIN = 1.05 V.
  • RON = 6.4 mΩ (Typical) at VIN = 0.65 V.
  • Maximum Continuous Switch Current (IMAX): 4 A.
  • ON State (IQ): 30 µA (Typical) at VIN > 1.2 V.
  • OFF State (ISD): 1 µA (Typical) at VIN > 1.8 V.
  • Controlled Slew Rate to Avoid Inrush Current.
  • 3.6 V Turn-ON time (tON): 1530 μs.

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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.

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Product Folder Order Now Technical Documents Tools & Software Support & Community TPS22970 SLVSDF2A – MAY 2017 – REVISED JULY 2017 TPS22970 3.6-V, 4-A, 4.7-mΩ On-Resistance Load Switch 1 Features •1 Input Voltage Range (VIN): 0.65 V to 3.6 V • On-Resistance – RON = 4.7 mΩ (Typical) at VIN ≥ 1.8 V – RON = 5.1 mΩ (Typical) at VIN = 1.05 V – RON = 6.4 mΩ (Typical) at VIN = 0.65 V • Maximum Continuous Switch Current (IMAX): 4 A • ON State (IQ): 30 µA (Typical) at VIN > 1.2 V • OFF State (ISD): 1 µA (Typical) at VIN > 1.8 V • Controlled Slew Rate to Avoid Inrush Current – 3.6 V Turn-ON time (tON): 1530 μs – 0.65 V Turn-ON time (tON): 815 μs • Low Threshold Enable (ON) Supports Use of Logic as Low as 0.