Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- DISSIPATION RATINGS
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS
- DEVICE INFORMATION
- TYPICAL CHARACTERISTICS
- APPLICATION INFORMATION
- PWM Operations
- Adaptive On-Time Control and PWM Frequency
- Loop Compensation
- Ramp Signal
- Light Load Condition in Auto-Skip Operation
- Out-of-Audio™ Light-Load Operation
- Enable and Soft Start
- VREG5/VREG3 Linear Regulators
- VREG5 Switch Over
- VREG3 Switch Over
- Powergood
- Output Discharge Control
- Low-Side Driver
- High-Side Driver
- Current Protection
- Overvoltage and Undervoltage Protection
- UVLO Protection
- Thermal Shutdown
- External Parts Selection
- Layout Considerations
- Application Circuit
- Revision History
TPS51123
www.ti.com
SLUS890E –DECEMBER 2008–REVISED JANUARY 2013
REVISION HISTORY
Changes from Revision B (March 2010) to Revision C Page
• Added LL1, LL2, pulse width < 20 ns parameter with a value of -5.0 V to 30 V. ................................................................. 2
Changes from Revision C (March 2012) to Revision D Page
• Added ESD ratings to the ABSOLUTE MAXIMUM RATINGS table .................................................................................... 2
• Added clarity to Switcher Controller Block diagram .............................................................................................................. 9
Changes from Revision D (SEPTEMBER 2012) to Revision E Page
• Added specification for VFB regulation voltage in ELECTRICAL CHARACTERISTICS table ............................................. 4
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