The TPS51215A is a single-phase, D-CAP2™ synchronous buck controller with a 2-bit VID input supporting 0 V and three other independent externally programmable output voltage levels, where full external programmability of the voltage level, step setting and voltage-change slew rate is desired. It is used for Intel IMVP8/9 applications where multiple voltage levels are desired.
The TPS51215A supports all POS/SPCAP and/or all ceramic MLCC output capacitor options in applications where remote sense is a requirement. Tight DC load regulation is achieved through external programmable integrator capacitor. The TPS51215A provides full protection suite, including OVP, OCL, 5-V UVLO and thermal shutdown. It supports the conversion voltage up to 28 V, and output voltages adjustable from 0.5 V to 2 V.
The TPS51215A is available in the 3 mm × 3 mm, QFN, 0.4-mm pitch package and is specified from –40°C to 125°C.
| Vin (min) (V) | 3 |
| Vin (max) (V) | 28 |
| Vout (min) (V) | 0 |
| Vout (max) (V) | 1.8 |
| Iout (max) (A) | 30 |
| Iq (typ) (mA) | 0.32 |
| Switching frequency (min) (kHz) | 600 |
| Switching frequency (max) (kHz) | 600 |
| Features | Adjustable current limit, Enable, Light Load Efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification, VID |
| Operating temperature range (°C) | -40 to 125 |
| Regulated outputs (#) | 1 |
| Number of phases | 1 |
| Rating | Catalog |
| Control mode | D-CAP2 |
| Type | Controller |
| WQFN (RUK) | 20 | 9 mm² 3 x 3 |
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