UCC2540 ą
SLUS539C − JUNE 2004 − REVISED OCTOBER 2008
HIGHĆEFFICIENCY SECONDARYĆSIDE SYNCHRONOUS BUCK PWM CONTROLLER
FEATURES
D On-Chip Predictive Gate Drivet for
High-Efficiency Synchronous Buck Operation
D Dual ±3-A TrueDrivet Outputs D 1-MHz High Frequency Operation with 70-ns
Delay from SYNCIN to G1 Output
D Leading Edge Modulation D Overcurrent Protection using a Parallel
Average Current Mode Control Loop
D 3 Modes to Support 2.
7-V to 35-V Bias
Operation
D Reverse Current Protection for Output Stage D User Programmable Shutdown D ±1.
0% Initial Tolerance Bandgap Reference D High Bandwidth Error
Amplifiers D Thermally Enhanced HTSSOP 20-Pin
PowerPADt Package
SIMPLIFIED APPLICATION DIAGR...