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TPS51225, TPS51225B, TPS51225C
SLUSAV0B – JANUARY 2012 – REVISED SEPTEMBER 2012
Dual Synchronous, Step-Down Controller with 5-V and 3.
3-V LDOs
Check for Samples: TPS51225, TPS51225B, TPS51225C
FEATURES
1
APPLICATIONS
•2 Input
Voltage Range: 5.
5 V to 24 V
• Notebook Computers
• Output
Voltages: 5 V and 3.
3 V (Adjustable Range ±10%)
• Built-in, 100-mA, 5-V and 3.
3-V LDOs • Clock Output for Charge-Pump • ±1% Reference Accuracy • Adaptive On-time D-CAP™ Mode Control
Architecture with 300kHz/355kHz Frequency Setting • Auto-skip Light Load Operation (TPS51225/C) • OOA Light Load Operation (TPS51225B) • Internal 0.
8-ms
Voltage Servo Soft-Start • Low-Side RDS(on) Current Sensing Sc...