CMOS电源稳压器LDO

TX6211C

The TX6211C series are highly precise, low noise, positive voltage LDO regulators manufactured using CMOS processes. The series achieves high ripple rejection and low dropout and consists of a standard voltage source, an error correction, current limiter and a phase compensation circuit plus a driver transistor. Output voltage is selectable in 100mV increments within a range of 1.5V ~5.0V. The series is also compatible with low ESR ceramic capacitors which give added output stability. This stability can be maintained even during load fluctuations due to the excellent transient response of the series.

The current limiter's feedback circuit also operates as a short protect for the output current limiter and the output pin The CE function enables the output to be turned off, resulting in greatly reduced power consumption.

Features
Output Voltage Range: 1.0V to 5.0V (selectable in 100mV steps)
Highly Accurate: ± 2%
Dropout Voltage: 0.17V @ 100mA (3.3V type)
High Ripple Rejection: 70dB (10 kHz)
Low Power Consumption: 70μA (TYP.)
Maximum Output Current : 300mA
Standby Current : less than 2μA
Internal protector: current limiter
Internal discharge MOS
SOT-23-5L

Applications
Mobile phones
Cordless phones
Cameras, Video cameras
Portable games
Portable AV equipment
Reference voltage
Battery powered equipment
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