The XC6501B181GR-G series is a 6.0V high speed, low noise CMOS LDO regulator that can provide stable output voltages within a range of 1.2V to 5.0V (0.05V increments) even without a load capacitor CL. This is possible because phase compensation is carried out internally unlike other LDOs where it is done externally. The series consists of a reference voltage source, driver transistor, error amplifier, current limit circuit, and phase compensation circuit. The CE function enables the circuit to be put into stand-by mode by inputting a low level signal to the CE pin thereby reducing current consumption from an already low 13?A (in operation) to less than 0.1?A. In the stand-by mode, if a CL cap is used, the electric charge stored at CL can be discharged via the internal auto-discharge switch and as a result, the VOUT pin quickly returns to the VSS level. The current limit fold-back circuit operates as a short circuit protection and a current limiter function for the output pin.
Feature
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Operating Voltage Range : 1.4～6.0V
Output Voltage Range : 2.0～5.0V（Accuracy:±1%）
1.2～1.95V（Accuracy:±0.02V）
Dropout Voltage : 150mV＠IOUT=100mA, VOUT=2.8V
Low Power Supply : 13μA＠VOUT=2.8V
Stand-by Current : Less than 0.1μA
Ripple Rejection : 50dB＠f=1kHz,VOUT=2.8V
Protection Circuits : Current limit （300mA, TYP.）
: Short circuit protection
Output capacitor is not required : Internal phase compensation
CL High Speed Auto Discharge
Packages USP-3, USP-4
SSOT-24, SOT-25
