DESCRIPTION

The device provides a dual PWM controller and a linear driver controller that can support the complete power management in mobile equipment with high efficiency.

FEATURE

■ DUAL PWM CONTROLLERS ADJUSTABLE

1.9V to 5.3V(Section1)

1.6V to 3.5V(Section2)

■ AUXILIARY DRIVER FOR LINEAR REGULATOR

■ CURRENT MODE CONTROL USING A LOW SENSE RESISTOR

■ DUAL SYNC RECTIFIERS DRIVERS

■ ONE SHOT FEATURE (L5994A only)

■ 96 EFFICIENCY ACHIEVABLE

■ 50µA@12V STAND BY CONSUMPTION

■ 4.75V TO 25V OPERATING SUPPLY VOLTAGE

■ EXCELLENT LOAD TRANSIENT RESPONSE

■ PULSE SKIPPING FUNCTION

■ OUTPUT UNDER VOLTAGE SHUTDOWN

■ ADAPTATIVE ANTI SHOOT-THROUGH CONTROL

■ OVER/UNDER VOLTAGE DETECTION

■ POWER GOOD SIGNALS

■ SEPARATED DISABLE

■ THERMAL SHUTDOWN

APPLICATIONS

■ NOTEBOOK AND SUB NOTEBOOK COMPUTERS

■ 1.8V AND 2.5V I/O SUPPLY

■ WORDPAD

■ INTERNET APPLIANCE