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TPS75533KCG3 Datasheet(PDF) 2 Page - Texas Instruments |
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TPS75533KCG3 Datasheet(HTML) 2 Page - Texas Instruments |
2 / 29 page TPS75515, TPS75518, TPS75525, TPS75533 WITH POWER GOOD AND TPS75501 FAST TRANSIENT RESPONSE 5A LOW DROPOUT VOLTAGE REGULATORS SLVS293D − NOVEMBER 2000 − REVISED MAY 2002 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 250 mV at an output current of 5 A for the TPS75533) 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 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 TPS755xx 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 TPS755xx 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 TPS75533KC TPS75533KTT 2.5 V TPS75525KC TPS75525KTT −40 °C to 125°C 1.8 V TPS75518KC TPS75518KTT −40 C to 125 C 1.5 V TPS75515KC TPS75515KTT Adjustable 1.22 V to 5 V TPS75501KC TPS75501KTT NOTE: The TPS75501 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., TPS75501KTTR) to indicate tape and reel. † See application information section for capacitor selection details. PG OUT 2 1 IN EN GND 3 5 4 VI 1 µF PG VO 47 µF + Co† Figure 1. Typical Application Configuration (For Fixed Output Options) |
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