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LT3009 - 20mA Low Dropout Linear Regulators

General Description

The LT®3009 Series are micropower, low dropout voltage (LDO) linear regulators.

The devices supply 20mA output current with a dropout voltage of 280mV.

No-load quiescent current is 3μA.

Key Features

  • n n n n n n n n n n n n n Ultralow Quiescent Current: 3μA Input Voltage Range: 1.6V to 20V Output Current: 20mA Dropout Voltage: 280mV Adjustable Output (VADJ = VOUT(MIN) = 600mV) Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V Output Tolerance: ±2% Over Load, Line and Temperature Stable with Low ESR, Ceramic Output Capacitors (1μF minimum) Shutdown Current:.

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Full PDF Text Transcription (Reference)

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www.DataSheet4U.com LT3009 Series 3µA IQ, 20mA Low Dropout Linear Regulators DESCRIPTION The LT®3009 Series are micropower, low dropout voltage (LDO) linear regulators. The devices supply 20mA output current with a dropout voltage of 280mV. No-load quiescent current is 3μA. Ground pin current remains at less than 5% of output current as load increases. In shutdown, quiescent current is less than 1μA. The LT3009 regulators optimize stability and transient response with low ESR ceramic capacitors, requiring a minimum of only 1μF . The regulators do not require the addition of ESR as is common with other regulators. Internal protection circuitry includes current limiting, thermal limiting, reverse-battery protection and reversecurrent protection.