General
Description
The AS9133 is a CMOS low dropout, low noise, low power consumption, low quiescent current positive linear regulator with wide input voltage range. The AS9133 can
deliver a guaranteed 400mA load current with a low dropout voltage. Quiescent current of only 2.0uA makes these devices ideal for powering the battery-powered, always-on systems that
require very little
idle-state power dissipation to a longer service life. There is an option of shutdown function by selecting the parts with the EN pin and pulling it low. The
off state of AS9133 that consumes less
than 0.1uA during shutdown mode.
The device is suitable for portable application such as cellular handsets or PDA. The AS9133 is designed and optimized to work with low cost ceramic capacitors 1.0uF, which consumes less than 0.1μA during shutdown mode. Besides, its current limit protection and on-chip thermal shutdown function provide protection against any combination of over-load or ambient temperature which could cause junction temperature exceeding maximum rating. The AS9133 includes a reference bypass pin in order to reduce output noise and a logic control shut-down
input.
The space-saving tiny SOT23-5L and DFN1010-4L packages are attractive for hand-held applications. The device is specified over an ambient temperature range of -40˚C to 125˚C.
Features
● Output Current Up to 400mA
● Output Voltage Accuracy at ±2.0%
● Very Low Quiescent Current at 2.0uA
● Wide Voltage VIN Range: 2.0V to 30V
● Low Dropout voltage of 150mV at 100mA/VIN=5V
● Support Fixed Output Voltage: 1.2V, 1.8V,3.3V, 5V, 9V, 12V.
● PSRR 70dB at 100Hz
● PSRR 70dB at 100Hz
● Needs Only 1.0uF Capacitor for Stability Current Limit Protection
● Without EMI and Switch Noise
● Stable with Ceramic Capacitor or Tantalum Capacitor
● Without EMI and Switch Noise
● Stable with Ceramic Capacitor or Tantalum Capacitor
● RoHS and Green Compliant
● DFN1010-4L and SOT23-5L Packages
● -40℃ to
+125 Temperature
Range
Applications
● Portable, Battery Powered Equipment
● Low Power Microcontrollers
● Laptop, Palmtops & PDAs
● Audio/Video Equipment
● Car Navigation Systems
● Industrial Control
● Weighting Scales
● Meters/Home Automation
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