R1540x NO.EA-513-190411 ESR vs. output current characteristics Using ceramic output capacitor is highly recommended although availability of another low-ESR capacitors. The mutual relations between the output current (IOUT) causes noise under the specified value and the ESR are indicated below for reference. VDD VOUT CIN R1540x COUT IOUT CE/ADJ GND CIN = Ceramic 0.1 µF ESR COUT = Ceramic 10 µF Measurement Conditions Frequency Band: 10 Hz to 2 MHz Temperature: −40°C to 105°C Shaded portion: Noise level is 40 μV (average) or below Capacitors: CIN = 0.1 μF of Ceramic, COUT = 10 μF of Ceramic R1540x001B 8