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TPS77215DGKR Datasheet(PDF) 2 Page - Texas Instruments |
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TPS77215DGKR Datasheet(HTML) 2 Page - Texas Instruments |
2 / 25 page TPS77101/115/118/127/128/133/150 WITH RESET OUTPUT TPS77201/215/218/227/228/233/250 WITH POWER GOOD OUTPUT 150-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING SLVS225D – FEBRUARY 2000 – REVISED OCTOBER 2000 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 description (continued) The device is enabled when the EN pin is connected to a low-level input 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 TPS771xx features an integrated power-on reset, commonly used as a supply voltage supervisor (SVS) or reset output voltage. The RESET output of the TPS771xx initiates a reset in DSP, microcomputer or microprocessor systems at power up and in the event of an undervoltage condition. An internal comparator in the TPS771xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage. When OUT reaches 95% of its regulated voltage, RESET will go to a high-impedance state after a 220 ms delay. RESET will go to low-impedance state when OUT is pulled below 95% (i.e. over load condition) of its regulated voltage. For the TPS772xx, the power good terminal (PG) is an active high output, which can be used to implement a power-on reset or a low-battery indicator. An internal comparator in the TPS772xx monitors the output voltage of the regulator to detect an undervoltage condition on the regulated output voltage. When OUT falls below 82% of its regulated voltage, PG will go to a low-impedance state. PG will go to a high-impedance state when OUT is above 82% of its regulated voltage. AVAILABLE OPTIONS T OUTPUT VOLTAGE (V) PACKAGED DEVICES MSOP (DGK) TJ TYP TPS771xx SYMBOL TPS772xx SYMBOL 5.0 TPS77150DGK AFV TPS77250DGK AGE 3.3 TPS77133DGK AFU TPS77233DGK AGD 2.8 TPS77128DGK AFS TPS77228DGK AGB – 40 °Cto125°C 2.7 TPS77127DGK AFR TPS77227DGK AGA – 40 °C to 125°C 1.8 TPS77118DGK AFP TPS77218DGK AFY 1.5 TPS77115DGK AFO TPS77215DGK AFX Adjustable 1.5 V to 5.5 V TPS77101DGK AFN TPS77201DGK AFW NOTE: The TPS77101 and TPS77201 are programmable using an external resistor divider (see application information). The DGK package is available taped and reeled. Add an R suffix to the device type (e.g., TPS77101DGKR). OUT SENSE 6 5 3 IN IN EN GND 4 7 1 VI 0.1 µF 10 µF + OUT 8 VO PG or RESET PG or RESET 2 Figure 1. Typical Application Configuration (For Fixed Output Options) |
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