The TPS51611 is a fully IMVP-6.5 compliant single-phase synchronous buck controller with integrated gate drivers. Advanced control features such as D-CAP+™ architecture and OSR overshoot reduction provide fast transient response, lowest output capacitance and high efficiency. The TPS51611 supports both the Intel mobile CPU and integrated graphics modes with the integrated 7-bit DAC in Calpella platform. The TPS51611 provides the full complement of IMVP-6.5 I/O including VR_TT, DPRSLPVR, and IMON. Adjustable control of VCORE slew rate and voltage positioning round out the IMVP-6.5 features. In addition, the TPS51611 includes two high-current MOSFET gate drivers to drive external FETs with low switching loss. The TPS51611 is available in the 5 mm × 5 mm, 32-pin QFN and is rated to operate from –10°C to 105°C
| Vin (min) (V) | 3 |
| Vin (max) (V) | 28 |
| Vout (min) (V) | 0.3 |
| Vout (max) (V) | 1.5 |
| Iout (max) (A) | 60 |
| Iq (typ) (mA) | 1.8 |
| Switching frequency (min) (kHz) | 200 |
| Switching frequency (max) (kHz) | 500 |
| Features | Power good |
| Operating temperature range (°C) | -10 to 105 |
| Regulated outputs (#) | 1 |
| Number of phases | 1+1 |
| Rating | Catalog |
| Control mode | D-CAP+ |
| Type | Controller |
| VQFN (RHB) | 32 | 25 mm² 5 x 5 |
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