The TPS53127 is a dual, adaptive on-time D-CAP2™ mode synchronous buck controller. The part enables system designers to cost effectively complete the suite of various end equipment’s power bus regulators with a low external component count and low standby consumption. The main control loop for the TPS53127 uses the D-CAP2 Mode topology which provides a very fast transient response with no external component.
The TPS53127 also has a proprietary circuit that enables the device to adapt not only low equivalent series resistance (ESR) output capacitors such as POSCAP/SP-CAP, but also ceramic capacitor. The part provides a convenient and efficient operation with conversion voltages from 4.5 V to 24 V and output voltage from 0.76 V to 5.5 V.
The TPS53127 is available in the 24 pin RGE/PW package, and is specified from –40°C to 85°C ambient temperature range.
| Vin (min) (V) | 4.5 |
| Vin (max) (V) | 24 |
| Vout (min) (V) | 0.76 |
| Vout (max) (V) | 5.5 |
| Iout (max) (A) | 15 |
| Iq (typ) (mA) | 0.45 |
| Switching frequency (min) (kHz) | 700 |
| Switching frequency (max) (kHz) | 700 |
| Features | Enable, Pre-Bias Start-Up, Synchronous Rectification |
| Operating temperature range (°C) | -40 to 85 |
| Regulated outputs (#) | 2 |
| Number of phases | 1 |
| Rating | Catalog |
| Control mode | D-CAP2 |
| Type | Controller |
| TSSOP (PW) | 24 | 49.92 mm² 7.8 x 6.4 |
| VQFN (RGE) | 24 | 16 mm² 4 x 4 |
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