TPS75818KTTR
Active3-A, ULTRA-LOW-DROPOUT VOLTAGE REGULATOR WITH LOW-NOISE & ENABLE
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TPS75818KTTR
Active3-A, ULTRA-LOW-DROPOUT VOLTAGE REGULATOR WITH LOW-NOISE & ENABLE
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Technical Specifications
Parameters and characteristics for this part
| Specification | TPS75818KTTR |
|---|---|
| Control Features | Enable |
| Current - Output | 3 A |
| Current - Quiescent (Iq) | 200 µA |
| Mounting Type | Surface Mount |
| Number of Regulators | 1 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | 1.81 mOhm |
| Package / Case | TO-263-6, TO-263BA, D2PAK (5 Leads + Tab) |
| Protection Features | Over Temperature, Over Current, Under Voltage Lockout (UVLO), Reverse Polarity |
| PSRR | 62 dB |
| Supplier Device Package | TO-263 (DDPAK-5) |
| Voltage - Input (Max) [Max] | 5.5 V |
| Voltage - Output (Min/Fixed) | 1.8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 500 | $ 4.20 | |
| 1000 | $ 3.66 | |||
| 2500 | $ 3.52 | |||
| Texas Instruments | LARGE T&R | 1 | $ 5.68 | |
| 100 | $ 4.63 | |||
| 250 | $ 3.64 | |||
| 1000 | $ 3.09 | |||
Description
General part information
TPS75815 Series
The TPS758xx family of 3A low dropout (LDO) regulators contains four fixed voltage option regulators and an adjustable voltage option regulator. These devices are capable of supplying 3A of output current with a dropout of 150mV (TPS75833). Therefore, the device is capable of performing a 3.3V to 2.5V conversion.
Quiescent current is 125µA at full load and drops to less than 1µA when the device is disabled. The TPS758xx is designed to have fast transient response for large load current changes.
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 150mV at an output current of 3A for the TPS75833) 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 125µA over the full range of output current). These two key specifications yield a significant improvement in operating life for battery-powered systems.
