The TPS40100 is a mid voltage, wide-input (between 4.5 V and 18 V), synchronous, step-down controller. The TPS40100 offers programmable closed loop soft-start, programmable UVLO (with programmable hysteresis), programmable inductor sensed current limit and can be synchronized to other timebases. The TPS40100 incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFET. Gate drive logic incorporates adaptive anti-cross conduction circuitry for improved efficiency, reducing both cross conduction and diode conduction in the rectifier MOSFET. The externally programmable current limit provides a hiccup overcurrent recovery characteristic.
| Vin (min) (V) | 4.5 |
| Vin (max) (V) | 18 |
| Vout (min) (V) | 0.7 |
| Vout (max) (V) | 5.5 |
| Iout (max) (A) | 20 |
| Iq (typ) (mA) | 1.8 |
| Switching frequency (min) (kHz) | 100 |
| Switching frequency (max) (kHz) | 600 |
| Features | Dynamic Voltage Scaling, Frequency synchronization, Power good, Remote Sense, Synchronous Rectification, Tracking |
| Operating temperature range (°C) | -40 to 85 |
| Regulated outputs (#) | 1 |
| Number of phases | 1 |
| Rating | Catalog |
| Control mode | current mode |
| Type | Controller |
| VQFN (RGE) | 24 | 16 mm² 4 x 4 |
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