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TPS75733KTTR Datasheet(PDF) 2 Page - Texas Instruments |
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TPS75733KTTR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 28 page TPS75715, TPS75718, TPS75725, TPS75733 WITH POWER GOOD AND TPS75701 FAST TRANSIENT RESPONSE 3A LOW DROPOUT VOLTAGE REGULATORS SLVS306E − NOVEMBER 2000 − REVISED FEBRUARY 2009 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) Because the PMOS device behaves as a low-value resistor, the dropout voltage is low (typically 150 mV at an output current of 3 A for the TPS75733) and is directly proportional to the output current. Additionally, since the PMOS pass element is a voltage-driven device, the quiescent current is low and independent of output loading (typically 125 µA over the full range of output current). These two key specifications yield a significant improvement in operating life for battery-powered systems. The device is enabled when EN is connected to a low-level voltage. This LDO family also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less than 1 µA at TJ = 25°C. The power-good terminal (PG) is an active low, open drain output, which can be used to implement a power-on reset or a low-battery indicator. The TPS757xx is offered in 1.5-V, 1.8-V, 2.5-V, and 3.3-V fixed-voltage versions and in an adjustable version (programmable over the range of 1.22 V to 5 V). Output voltage tolerance is specified as a maximum of 3% over line, load, and temperature ranges. The TPS757xx family is available in a 5-pin TO−220 (KC) and TO−263 (KTT) packages. AVAILABLE OPTIONS TJ OUTPUT VOLTAGE (TYP) TO−220 (KC) TO−263(KTT) 3.3 V TPS75733KC TPS75733KTT 2.5 V TPS75725KC TPS75725KTT −40 °C to 125°C 1.8 V TPS75718KC TPS75718KTT −40 C to 125 C 1.5 V TPS75715KC TPS75715KTT Adjustable 1.22 V to 5 V TPS75701KC TPS75701KTT NOTE: The TPS75701 is programmable using an external resistor divider (see application information). The KTT package is available taped and reeled. Add an R suffix to the device type (e.g., TPS75701KTTR) to indicate tape and reel. PG OUT 2 1 IN EN GND 3 5 4 VI 1 µF PG VO 47 µF + Co† † See application information section for capacitor selection details. Figure 1. Typical Application Configuration (For Fixed Output Options) |
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