L5994 Datasheet (STMicroelectronics) - ADJUSTABLE TRIPLE OUTPUT POWER SUPPLY CONTROLLER

L5994, ADJUSTABLE TRIPLE OUTPUT POWER SUPPLY CONTROLLER

The L5994 is a sophisticated dual PWM stepdown controller and power monitor intended for SYSTEM BLOCK DIAGRAM TQFP32 ORDERING NUMBER: L5994 Notebook computer and/or battery powered equipment.

The device produces regulated 1.8V, 2.5V (both adjustable) and 12V supplies for use in portable and PCMCIA

® L5994 ADJUSTABLE TRIPLE OUTPUT POWER SUPPLY CONTROLLER PRODUCT PREVIEW DUAL PWM BUCK CONTROLLERS ADJUSTABLE 1.9V to 5V (Section 1) 1.66V to 3.5V (Section 2) 12V/120mA LINEAR REGULATOR DUAL SYNCH RECTIFIERS DRIVERS 96% EFFICIENCY ACHIEVABLE 50µA (@ 12V) STAND BY CONSUMPTION 5.0V TO 25V SUPPLY VOLTAGE EXCELLENT LOAD TRANSIENT RESPONSE DISABLE PULSE SKIPPING FUNCTION OUTPUT UNDERVOLTAGE SHUTDOWN POWER MANAGEMENT: - UNDER AND OVERVOLTAGE OUTPUT DETECTION - POWER GOOD SIGNAL - SEPARATED DISABLE T