©1999 California Micro Devices Corp. All rights reserved.

9/99

215 Topaz Street, Milpitas, California 95035

Tel: (408) 263-3214

Fax: (408) 263-7846

www.calmicro.com

6

CMPWR150

CALIFORNIA MICRO DEVICES

V

response as V

power-up when V

is already fully charged. When V

the in-rush current is minimal and the V

130mV. The built-in hysteresis of 250mV ensures the regulator

remains enabled throughout the transient.

V

V

response as V

power-up. The auxiliary voltage, V

of 3.0V. When V

level of in-rush current is required to further charge the

output capacitor resulting in V

The built-in hysteresis of 250mV ensures the regulator

remains enabled throughout the transient.

V

Typical Transient Characteristics (continued)

Figure 6. V

V

Figure 8 shows the

output response as V

during a power-down transition. V

present. When V

the regulator turns off. This causes a step change reduction

in V

V

the built-in hysteresis of 250mV ensures the regulator

remains disabled throughout the transient. The output

voltage experiences a disturbance of approximately 100mV

during the transition.

V

Figure 7. V

Figure 8. V