The TPS740xx is a wide bandwidth, very low-dropout, 1.5-A voltage regulator ideal for powering microprocessors.
The TPS740xx uses a bias input supply to allow very low voltage of a main input supply. The main input supply operates from 1.2 V to 6.0 V and the bias input supply requires between 3.0 V to 6.0 V for proper operation. The TPS740xx offers adjustable output voltages down to 0.9 V.
The TPS740xx requires a minimum of output capacitance. A small 2.2-µF ceramic capacitor is enough for its stability.
The TPS740xx is available in an 8-pin power MSOP package and a 5-pin Jr S-PAK. Its operating temparature range is –40°C to +125°C.
| Output options | Adjustable Output, Fixed Output |
| Iout (max) (A) | 1.5 |
| Vin (max) (V) | 6 |
| Vin (min) (V) | 1.2 |
| Vout (max) (V) | 5.7 |
| Vout (min) (V) | 0.9 |
| Fixed output options (V) | 1.2 |
| Iq (typ) (mA) | 2 |
| Thermal resistance θJA (°C/W) | 30 |
| Rating | Catalog |
| Load capacitance (min) (µF) | 2.2 |
| Regulated outputs (#) | 1 |
| Accuracy (%) | 2 |
| PSRR at 100 KHz (dB) | 42 |
| Dropout voltage (Vdo) (typ) (mV) | 100 |
| Operating temperature range (°C) | -40 to 125 |
| VSSOP (DGK) | 8 | 14.7 mm² 3 x 4.9 |
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