TPS75125-EP is a low-dropout regulator with a power good (PG) function. Quiescent current is 75 µA at full load and drops down to 1 µA when the device is disabled. TPS75125-EP is designed to have fast transient response for larger load current changes.
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output loading (typically 75 µA over the full range of output current, 1 mA to 1.5 A). These two key specifications yield a significant improvement in operating life for battery-powered systems.
The device is enabled when the enable (EN) input is connected to a low-level voltage. This low dropout (LDO) device also features a sleep mode; applying a TTL high signal to EN shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C.
The TPS75125-EP power good (PG) terminal is an active-high, open-drain output that can be used to implement a power-on reset or a low-battery indicator.
The TPS75125-EP is offered in a 2.5 V fixed-voltage version. Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS75125-EP is available in a 20-pin TSSOP (PWP) package.
(1) Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits.
PowerPAD is a trademark of Texas Instruments.
| Output options | Fixed Output |
| Iout (max) (A) | 1.5 |
| Vin (max) (V) | 5.5 |
| Vin (min) (V) | 2.7 |
| Vout (max) (V) | 2.5 |
| Vout (min) (V) | 2.5 |
| Fixed output options (V) | 2.5 |
| Noise (µVrms) | 60 |
| Iq (typ) (mA) | 0.07 |
| Thermal resistance θJA (°C/W) | 50 |
| Rating | HiRel Enhanced Product |
| Load capacitance (min) (µF) | 47 |
| Regulated outputs (#) | 1 |
| Features | Enable, Power good |
| Accuracy (%) | 2 |
| PSRR at 100 KHz (dB) | 17 |
| Dropout voltage (Vdo) (typ) (mV) | 160 |
| Operating temperature range (°C) | -55 to 125 |
| HTSSOP (PWP) | 20 | 41.6 mm² 6.5 x 6.4 |
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