DESCRIPTION
Typical efficiencies are 85% to 96%. Quiescent supply current is 0.8mA and only 0.3µA in shutdown mode. Pulse-width modulation (PWM) current-mode control provides SCHEMATIC DIAGRAM precise output regulation and excellent transient responses. Output voltage accuracy is guaranteed to be ±4.5% plus feedback resistor tolerance over line, load, and temperature varations. Fixed-frequency switching and absence of subharmonic ruipple allows easy filtering of output ripple and noise, as well as the use of small external components. This regulators require only a single inductor value to work in most applications, so no inductor design is necessary. Typical applications are: Cellular phones & radios, portable Instruments, Portable Communications Equipments and Computer Peripherals. January 2003 1/9 ST750A ABSOLUTE MAXIMUM RATINGS
Symbol VCC VLX VSHDN VS,VC ILX IREF PTOT Tstg Top DC Input Voltage Switch Pin Voltage Shutdown Voltage (SHDN) Soft Start (SS) and Compensation Capacitor (CC...
STMicroelectronics
