UCD9246
www.ti.com SLVSA34 – JANUARY 2010 Digital PWM System Controller
FEATURES Tool to Simulate, Configure, and Monitor
Power Supply Performance 1 2 Fully Configurable Multi-Output and MultiPhase Non-Isolated DC/DC PWM Controller
Controls Up to 4 Voltage Rails and Up to 6
Phases
Supports Switching Frequencies Up to 2MHz
with 250 ps Duty-Cycle Resolution
Up To 1mV Closed Loop Resolution
Hardware-Accelerated, 3-Pole/3-Zero
Compensator with Non-Linear Gain for
Improved Transient Performance
Supports Multiple Soft-Start and Soft-Stop
Configurations Including Prebias Start-up
Supports Voltage Tracking, Margining and
Sequencing
Supports Current and Temperature Balancing
for Multi-Phase Power Stages
Supports Phase Adding/Shedding for
Multi-Phase Power Stages
Sync In/Out Pins Align DPWM Clocks Between
Multiple UCD92xx Devices
12-Bit Digital Monitoring of Power Supply …
