LE33CZ-AP

LE33CZ-AP is a very low-dropout voltage regulator with inhibit function. The very low dropout voltage (0.2V) and low quiescent current make it particularly suitable for low-noise, low-power applications and battery-powered systems. This device is pin-to-pin compatible with the L78L series. Furthermore, the 8-pin configuration (SO-8), uses a shutdown logic control (pin 5, TTL compatible). This means that when the device is used as a local regulator, a part of the board can be put on standby, decreasing the total power consumption. In the three-terminal configuration (TO-92), the device is always in on-state. It requires a 2.2µF capacitor for stability, reducing the component size and cost.

• Very low quiescent current (typ. 50µA in OFF mode, 0.5mA in ON mode, no load)
• Internal current and thermal limit, small 2.2µF capacitor for stability
• 3.3V output voltage
• Operating input voltage is 18V max (IO = 100mA)
• Output current limit is 150mA minimum
• Supply voltage rejection is 80dB typ (f = 120Hz, IO = 5mA, VI = 5.3 ±1V)
• Output noise voltage is 50µV typ (BP = 10Hz to 100KHz)
• Output bypass capacitance is 10µF typ (ESR = 0.1 to 10 ohm, IO = 0 to 100mA)
• TO-92 package
• Temperature range from -40 to 125°C

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