378

3

■Typical Application Circuits

■Directions for use

GNotes on Use

µF [Tantalum]) in order to stop oscillation that may occur as the phase margin becomes smaller.

2. To reduce impedance between the power supply and the IC's input pin, which in turn will stop oscillation resulting from input voltage changes,

µF, ESR low) to the input side of the IC. Further, operation may become unstable and oscillation may

occur shoud impedance up to the IC's input be high (a state which could be brought about by several factors including which devices are

added to the input side, the surrounding wiring and/or the input power supply.)

Stability can be improved by regulating increases in input capacitance and by reducing impedance.

supply are the same. Therefore, to have the voltage detector operating normally, it is necessary to apply a voltage larger than the minimum

4. With CMOS output, the detector's output voltage equals the regulator's output voltage following release. Possible changes in the regulator's

µ sec/V.

transient output voltage changes brought about by the regulator's load changes. With large load currents and/or large load transitions from

N-ch Open Drain

1

µF

100k

Ω

1

µF

1

µF

1

µF

（Tantalum）

（Tantalum）

（Tantalum）

（Tantalum）

03S_11XC66D 02.9.12 3:09 PM ページ 378