TPS22811LRPWR

The TPS22811x is a highly-integrated, powerdistribution solution in a small package. The device
allows control and monitoring of power supply rails
using minimum number of external components.
Output slew rate and inrush current can be adjusted
using one external capacitor. Loads are protected
from input overvoltage conditions by cutting off the
output if input exceeds an adjustable overvoltage
threshold. The device integrates a fast-trip response
to provide protection against severe faults at the
output during steady-state.
The devices provide an accurate analog sense of
the output load current as well as a digital powergood indication to help with system monitoring and
diagnostics.
The devices are available in a 2-mm × 2-mm, 10-
pin HotRod™ QFN package for improved thermal
performance and reduced system footprint.
The devices are characterized for operation over a
junction temperature range of –40°C to +125°C.


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    SPECIFICATION

    • Wide operating input voltage range: 2.7 V to 16 V
    – 20-V absolute maximum
    • Integrated FET with low on-resistance: RON = 6
    mΩ (typ.)
    • Adjustable output slew rate control (dVdt)
    • Active high enable input with adjustable
    undervoltage lockout threshold (UVLO)
    • Active low enable input with adjustable
    undervoltage lockout threshold (OVLO)
    • Fast overvoltage protection
    – Adjustable overvoltage lockout (OVLO) with
    1.2-μs (typ.) response time
    • Analog load current monitor output (IMON)
    – • ±9 % accuracy for IOUT > 3 A
    • Fast-trip response for short-circuit protection in
    steady-state
    – 640-ns (typ.) response time
    – Fixed threshold
    • Overtemperature protection
    • Power-good (PG) indication with adjustable
    threshold (PGTH)
    • Quick Output Discharge
    • Small footprint: QFN 2 mm × 2 mm, 0.45-mm pitch