TPS22949YZPR

illustrate

Yes TPS22949 and TPS22949A equipment provide protection for systems and loads under high current conditions. The device contains a 500 meter Current-limiting P-channel MOSFETs can operate in the input voltage range of 1.62 V to 4.5 volts, as well as a fixed output voltage (LDO) regulator with a low dropout of 1.8 V five

The switch consists of an on/off input (EN1), which is the interface low-voltage signal direct control capability. When the switching current reaches its maximum limit, TPS22949/TPS22949A operates in constant current mode, prohibiting excessive damaging currents. If the current condition persists after 12 milliseconds, these devices turn off the switch and pull out the fault signal pin (overclocking) low.

characteristic

• Integrated current limiter
  • Input voltage range: 1.62 V to 4.5 volts
  • Low on-resistance
    The R ON = 300 meters At V IN = 4.5V
    The R ON = 350 meters At V IN = 3.3 volts
    The R ON = 400 meters At V IN = 2.5 volts
    The R ON = 600 meters At V IN = 1.8 volts
  • Integrates a minimum current limit of 100 - mA
  • Undervoltage locking
  • Fast current limit response time
  • Integrated fault blanking and automatic restart
• Stable, current-limiter-free output capacitors (TPS22949A pcs.)
• Integrated low-noise RF LDO
  • Input voltage range: 1.62 V to 4.5 volts
  • Low noise: 50 μVrms (10 Hz to 100 kHz)
  • Power supply rejection ratio of 80 dB V IN (10 Hz to 10 kHz)
  • Fast boot time: 130 microseconds
  • Low dropout 100 mV at I = 100 mA load
  • Integrated output discharge
  • With a capacitive output of 2.2μF that stabilizes
• 1.8 - V compatible control input threshold
• 22 ESD performance tests per JESD
  • 3500 - V Man, Mannequin
    (A114 - Class B, II)
  • 1000 - V live device model
    （C101）