Datasheet Details
| Part number | TPS51123A |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 2.47 MB |
| Description | Step-Down Controller |
| Datasheet |
 TPS51123A Datasheet
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General Description
The TPS51123A is a cost effective, dual-synchronous buck controller targeted for notebook system power supply solutions.
It provides 5-V and 3.3-V LDOs and requires few external components.
The TPS51123A supports high-efficiency, fast transient responses and provides a combined power-good signal.
Key Features
- 1.
- 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 Soft-Start.
- Adaptive On-Time Control Architecture with Four Selectable Frequency Setting.
- 4500 ppm/°C RDS(on) Current Sensing.
- Built-In Output Discharg.