Linear Technology LT1933
Step-Down Switching Regulator
FEATURES
n Wide Input Range: 3.6V to 36V n 5V at 600mA from 16V to 36V Input n 3.3V at 600mA from 12V to 36V Input n 5V at 500mA from 6.3V to 36V Input n 3.3V at 500mA from 4.5V to 36V Input n Fixed Frequency 500kHz Operation n Uses Tiny Capacitors and Inductors n Soft-Start n Internally Compensated n Low Shutdown Current: <2μA n Output Adjustable Down to 1.25V n Low Profile (1mm) SOT-23 (ThinSOT™) and (2mm × 3mm × 0.75mm) 6-Pin DFN PackagesAPPLICATIONS
n Automotive Battery Regulation n Industrial Control Supplies n Wall Transformer Regulation n Distributed Supply Regulation n Battery-Powered Equipment LT1933 600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN PackagesDESCRIPTION
The LT®1933 is a current mode PWM step-down DC/DC converter with an internal 0.75A power switch, packaged in a tiny 6-lead SOT-23. The wide input range of 3.6V to 36V makes the LT1933 suitable for regulating power from a wide variety of sources, including unregulated wall transformers, 24V industrial supplies and automotive batteries.