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TPS40190DRCR
TPS40190 Overview

The TPS40190 is a cost optimized controller providing all the necessary features to construct a high-performance DC-DC converter while keeping costs to a minimum. Support for pre-biased outputs eliminates concerns about damaging sensitive loads during start-up. Strong gate drivers for the high side and rectifier N-channel MOSFETs decrease switching losses for increased efficiency. Adaptive gate drive timing minimizes body diode conduction in the rectifier  MOSFET, also increasing efficiency. Selectable short circuit protection thresholds and hiccup recovery from a short-circuit increase design flexibility and minimize power dissipation in the event of a prolonged output fault. A dedicated enable pin (ENABLE) allows the converter to be placed in a very low quiescent current shutdown mode.


Internally fixed switching frequency and soft-start time reduce external component count, simplifying design and layout, as well as reducing footprint and cost. The 3-mm × 3-mm package size also contributes to a reduced overall converter footprint.


Technical Data Of TPS40190

SHORT CIRCUIT PROTECTION

RESISTANCE, RCOMP (kΩ)

NOMINAL CURRENT LIMIT

VOLTAGE, VILIM (mV)

10.8 to 13.2

460

OPEN

320

3.6 to 4.4

160


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