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Rating |
Catalog |
Topology |
Buck |
Iout (max) (A) |
12 |
Vin (max) (V) |
17 |
Vin (min) (V) |
4.5 |
Vout (max) (V) |
1.87 |
Vout (min) (V) |
0.6 |
Features |
Adaptive/Dynamic Voltage Scaling, Adjustable current limit, Enable, Forced PWM, I2C, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, Synchronous Rectification, UVLO Fixed, Voltage Margining |
Control mode |
D-CAP2 |
Operating temperature range (°C) |
-40 to 85 |
Iq (typ) (A) |
0.00092 |
Duty cycle (max) (%) |
80 |
HTSSOP (PWP)-24-49.92 mm² 7.8 x 6.4
The TPS56X20 is a synchronous DC-DC converter IC (integrated circuit) with a voltage scaling control to power up micro-processors (MCUs) requiring core voltage (VCORE) tune-ups. After the initial power-up, the output voltage can be programmed/scaled by VID codes sent over an I2C compatible bus.
This step-down (buck) converter employs an adaptive on-time D-CAP2 mode control which provides a very fast transient response with no external components. Unlike traditional voltage-/current-mode controls, the D-CAP2 supports seamless transition between PWM mode for higher load and Eco-mode™ for light load. Eco-mode maintains high efficiency in light-load.
The TPS56X20 supports both ultra-low ESR ceramic capacitors and low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP. The device is optimized for a small 1.0µH to 2.2µH inductor saving PCB area.
The TPS56X20 devices are available in the HTSSOP package.