| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 24 Pin |
| Supply Voltage (DC) | 28.0 V |
| Case/Package | VQFN-24 |
| Number of Outputs | 2 Output |
| Output Voltage | 2V ~ 5.5V |
| Number of Positions | 24 Position |
| Power Dissipation | 1850 mW |
| Number of Regulated Outputs | 4 Output |
| Switching Frequency | 460 kHz |
| Input Voltage (Max) | 28 V |
| Input Voltage (Min) | 5.5 V |
| Output Voltage (Max) | 5.5 V |
| Output Voltage (Min) | 2 V |
| Output Current (Max) | 250 mA |
| Output Current (Min) | 100 mA |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 1850 mW |
| Supply Voltage | 5.5V ~ 28V |
| Input Voltage | 5.5V ~ 28V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
| Size-Length | 4.15 mm |
| Size-Width | 4.15 mm |
| Size-Height | 0.95 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The TPS51123ARGET is a dual-synchronous step down Buck Controller with Out-of-Audio™ operation and targeted for notebook system power supply solutions. It provides 5 and 3.3V LDOs and requires few external components. The TPS51123A supports high-efficiency, fast transient responses and provides a combined power-good signal. Out-of-Audio mode light-load operation enables low acoustic noise at much higher efficiency than conventional forced PWM operation. Adaptive on-time D-CAP control provides convenient and efficient operation. The part operates with supply input voltages ranging from 5.5 to 28V and supports output voltages from 2 to 5.5V.
● Built-in 1% 2V reference output
● With/without Out-of-Audio™ mode selectable light-load and PWM-only operation
● Internal 1.6ms voltage servo soft-start
● Adaptive on-time control architecture with four selectable frequency setting
● 4500ppm/°C RDS(on) Current sensing
● Built-in output discharge
● Power good output
● Built-in OVP/UVP/OCP
● Thermal shutdown (non-latch)
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