The R1111N Series are voltage regulator ICs with high output voltage accuracy, extremely low supply current, low ON resistance, and high Ripple Rejection by CMOS process. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors, a current limit circuit, and a chip enable circuit.

FEATURES

Ultra-Low Supply Current.........................................TYP. 35µA

Standby Mode ...........................................................TYP. 0.1µA

Low Dropout Voltage ................................................TYP. 0.2V(IOUT=100mA)

High Ripple Rejection ...............................................TYP. 70dB(f=1kHz)

Low Temperature-Drift Coefficient of

Output Voltage...........................................................TYP. ±100ppm/°C

Excellent Line Regulation .........................................TYP. 0.05/V

High Output Voltage Accuracy..................................±2.0

Excellent Line Transient Response and Load Transient Response

Small Package ..........................................................SOT-23-5(Mini-mold)

Output Voltage...........................................................Stepwise setting with a step of 0.1V in the range of

1.5V to 5.0V is possible

Built-in chip enable circuit ( 2 types; A: “L” active , B: “H” active)

Pinout ........................................................................Similar to the LP2980