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