LM2642
www.
ti.
com
SNVS203I – MAY 2002 – REVISED APRIL 2013
LM2642 Two-Phase Synchronous Step-Down Switching Controller
Check for Samples: LM2642
FEATURES
1
•2 Two Synchronous Buck
Regulators • 180° Out of Phase Operation • 4.
5V to 30V Input Range • Power Good Function Monitors Ch.
1 • 37µA Shutdown Current • 0.
04% (typical) Line and Load Regulation Error • Current Mode Control With or Without a Sense
Resistor • Independent Enable/Soft-start Pins Allow
Simple Sequential Startup Configuration.
• Configurable for Single Output Parallel
Operation.
(See Figure 3).
• Adjustable Cycle-by-Cycle Current Limit • Input Under-voltage Lockout • Output Over-voltage Latch Protection • Output Under-volta...