NCP511SN33T1 NCP511SN50T1 Low-Dropout Voltage Regulator Datasheet

NCP511 150 mA CMOS Low Iq Low-Dropout Voltage Regulator

The NCP511 series of fixed output low dropout linear regulators are designed for handheld communication equipment and portable battery powered applications which require low quiescent current. The NCP511 series features an ultra-low quiescent current of 40 mA. Each device contains a voltage reference unit, an error amplifier, a PMOS power transistor, resistors for setting output voltage, current limit, and temperature limit protection circuits.

The NCP511 has been designed to be used with low cost ceramic capacitors and requires a minimum output capacitor of 1.0 mF. The device is housed in the micro-miniature TSOP-5 surface mount package. Standard voltage versions are 1.5, 1.8, 2.7, 2.8, 3.0, 3.3, and 5.0 V. Other voltages are available in 100 mV steps.

Features
• Low Quiescent Current of 40 mA Typical
• Low Dropout Voltage of 100 mV at 100 mA
• Excellent Line and Load Regulation
• Maximum Operating Voltage of 6.0 V
• Low Output Voltage Option
• High Accuracy Output Voltage of 2.0%
• Industrial Temperature Range of -40°C to 85°C

Typical Applications
• Cellular Phones
• Battery Powered Instruments
• Hand-Held Instruments
• Camcorders and Cameras

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