Press Center
Home About us Products Support Quality & Certification Career Contact us
• Power Management
    Linear Regulators
    Low Dropout Linear Regulators
    DDR Termination Regulators
    Shunt Reference Regulators
    Step Down Switching Regulators
    Switching Regulator
    Step-Up DC-DC Converter
    PWM Controller
    White LED Driver
    Supervisory Circuit
    Voltage Detection and System R
    USB Power Switch
    Power Factor Control
    Li-Battery Protection or Charg
    FET Bias Controllers
    Combo IC
    Inverting DC-DC Converter
• Amplifier / Comparator
    Audio Amplifiers
    Operational Amplifier
    Voltage Comparator
• Analog Switches
    Video Signal Switch
    Analog Multiplexers, Demultipl
• Hall ICs
• Special Application ICs
    Motor Controller IC
    Interface and Driver Circuit
    Telecommunication Circuit
    Melody IC
    Alarm /Sound Generator IC
    Remote Controller IC
    Television Circuit
    Leakage Current Detector
    Automotive IC
    A-D or D-A Converters
    Radio and Cassette Recorder Ci
    Mouse&Keyboard Controller
    Transient Voltage Suppressors
    Sense Monitor
    Video Filter
    ZCB snubber
• Logic
    Power Mosfet
• SCRs
Home > Low Dropout Linear Regulators
UR6222 Datasheet






The UR6222 series is a high speed LDO regulator that features
high accurate, low noise, high ripple rejection, low dropout and low
power consumption. The series consists of a voltage reference, an
error amplifier, a driver transistor, a current limiter, a phase
compensation circuit, a thermal shutdown circuit and an inrush
current protection circuit.
The CE function enables the circuit to be in stand-by mode by
inputting low level signal. In the stand-by mode, the series enables
the electric charge at the output capacitor CL to be discharged via
the internal switch, and as a result the VOUT pin quickly returns to the
VSS level. The output stabilization capacitor CL is also compatible with
low ESR ceramic capacitors.
The output voltage is selectable in 0.05V increments within the range
of 1.2V to 4.0V which fixed by laser trimming technologies. The over
current protection circuit and the thermal shutdown circuit are built-in.
These two protection circuits will operate when the output current
reaches current limit level or the junction temperature reaches
temperature limit level.




* Maximum Output Current : 700mA
* Stand-by Current: 0.1µA (Typ.)
* Low Dropout Voltage: 0.1V (Typ.) (IOUT = 300mA)
* Excellent Line Regulation: 0.01%/V (Typ.)
* High Ripple Rejection: 65 dB (Typ.) (f = 1kHz)
* Output Voltages: 1.2~4.0V(Accuracy ± 2%) 0.05V increments

About us  |  Products  |  Contact us
Copyright 2011 UTC All received