OBSOLETE
LM27241
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ti.
com
SNVS309 – MAY 2005
LM27241 Synchronous Buck
Regulator Controller for Mobile Systems
Check for Samples: LM27241
FEATURES
1
•2 Input voltage range from 5.
5V to 28V • Forced-PWM or Pulse-skip modes • Lossless bottom-side FET current sensing • Adaptive duty cycle clamping • High current N-channel FET drivers • Low shutdown supply currents • Reference voltage accurate to within ±1.
5% • Output voltage adjustable down to 0.
6V • Power Good flag and Chip Enable • Under-voltage lockout
• Over-voltage/Under-voltage protection • Soft-start and Soft-shutdown • Switching frequency adjustable 200kHz-
500kHz
APPLICATIONS
• Notebook Chipset Power Supplies • Low Output Voltag...