TPS51125A
TPS51125A is Step-Down Controller manufactured by Texas Instruments.
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SLUS976F
- SEPTEMBER 2009
- REVISED SEPTEMBER 2012
Dual-Synchronous, Step-Down Controller with Out-of-Audio™ Operation and 100-mA LDOs for Notebook System Power
Check for Samples: TPS51125A
Features
- 2 Wide Input Voltage Range: 5.5 V to 28 V
- Output Voltage Range: 2 V to 5.5 V
- Built-in 100-mA 5-V/3.3-V LDO with Switches
- Built-in 1% 2-V Reference Output
- With/Without Out-of-Audio™ Mode Selectable
Light Load and PWM only Operation
- Internal 1.6-ms Voltage Servo Softstart
- Adaptive On-Time Control Architecture with
Four Selectable Frequency Setting
- 4500 ppm/°C RDS(on) Current Sensing
- Built-In Output Discharge
- Power Good Output
- Built-in OVP/UVP/OCP
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