TPS51285A TPS51285B
www.
ti.
com
SLVSBX0 – APRIL 2013
Ultra-Low Quiescent (ULQ™) Dual Synchronous Step-Down Controller with 5V and 3.
3V LDOs
Check for Samples: TPS51285A, TPS51285B
FEATURES
1
APPLICATIONS
•2 Input
Voltage Range: 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 400 kHz (CH1) and 475 kHz (CH2) Frequency • Auto-skip and ULQ™ modes for long battery life in system stand-by mode • Internal 0.
8-ms
Voltage Servo Soft-Start • Low-Side RDS(on) Current Sensing Scheme • Built-In Output Disch...