The TPS763xx family of low-dropout (LDO) voltage regulators offers the benefits of low-dropout voltage, low-power operation, and miniaturized packaging. These regulators feature low dropout voltages and quiescent currents compared to conventional LDO regulators. Offered in a 5-pin, small outline integrated-circuit SOT-23 package, the TPS763xx series devices are ideal for cost-sensitive designs and for applications where board space is at a premium.
A combination of new circuit design and process innovation has enabled the usual pnp pass transistor to be replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is low—typically 300 mV at 150 mA of load current (TPS76333)—and is directly proportional to the load current. Because the PMOS pass element is a voltage-driven device, the quiescent current is low (140 µA maximum) and is stable over the entire range of output load current
(0 mA to 150 mA). Intended for use in portable systems such as laptops and cellular phones, the low-dropout voltage feature and low-power operation result in a significant increase in system battery operating life.
The TPS763xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current to 1 µA maximum at TJ = 25°C.The TPS763xx is offered in 1.6-V ,1.8-V, 2.5-V, 2.7-V, 2.8-V, 3-V, 3.3-V, 3.8-V, and 5-V fixed-voltage versions and in a variable version (programmable over the range of 1.5 V to 6.5 V).
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | TPS763 Low-Power, 150-mA, Low-Dropout Linear Regulator datasheet (Rev. J) | PDF | HTML | 30 Sep 2019 |
| Analog Design Journal | 3Q 2011 Issue Analog Applications Journal | 16 Sep 2011 | ||
| Analog Design Journal | Isolated RS-485 transceivers support DMX512 stage lighting & special-effects app | 16 Sep 2011 | ||
| Analog Design Journal | Interfacing high-voltage applications to low-power controllers | 15 Nov 2010 | ||
| Application note | TPS6010x/TPS6011x Charge Pump (Rev. A) | 16 Dez 1999 | ||
| Application brief | Low Power 150-mA LDO Linear Regulators. Extended Output Voltage Adjustment Range | 11 Jun 1999 |
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