Click to expand full text
ą TL497A 500ĆmA PEAK STEPĆUP, STEPĆDOWN, INVERTING SWITCHING VOLTAGE REGULATOR
SLVS009F − JUNE 1976 − REVISED FEBRUARY 2005
D High Efficiency . . . 60% or Greater D Peak Switch Current . . . 500 mA D Input Current Limit Protection D TTL-Compatible Inhibit D Adjustable Output Voltage D Input Regulation . . . 0.2% Typ D Output Regulation . . . 0.4% Typ D Soft Start-Up Capability D Can be Used in Buck, Boost, and
Inverting Configurations
description/ordering information
D, N, OR PW PACKAGE (TOP VIEW)
COMP INPUT INHIBIT
FREQ CONTROL SUBSTRATE GND CATHODE ANODE
1 2 3 4 5 6 7
14 VCC 13 CUR LIM SENS 12 BASE DRIVE† 11 BASE†
10 COL OUT
9 NC
8 EMIT OUT
NC − No internal connection † BASE (11) and BASE DRIVE (12) are used for device testing
only.
TL497A Datasheet
