ADP3339AKCZ-3.3-R7

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1. DESCRIPTION

The ADP3339AKCZ-3.3-R7 is a member of the ADP33xx family of precision, low dropout, anyCAP® voltage regulators. The ADP3339AKCZ-3.3-R7 operates with an input voltage range of 2.8 V to 6 V and delivers a load current up to 1.5 A. The ADP3339 stands out from the conventional LDOs with a novel architecture and an enhanced process that enables it to offer performance advantages and higher output current than its competition. Its patented design requires only a 1.0 μF output capacitor for stability. This device is insensitive to output capacitor equivalent series resistance (ESR), and is stable with any good quality capacitor, including ceramic (MLCC) types for space-restricted applications. The ADP3339AKCZ-3.3-R7 achieves exceptional accuracy of ±0.9% at room temperature and ±1.5% over temperature, line, and load variations. The dropout voltage of the ADP3339AKCZ-3.3- R7 is only 230 mV (typical) at 1.5 A. The device also includes a safety current limit and thermal overload protection. The ADP3339AKCZ-3.3-R7 has ultralow quiescent current: 130 μA (typical) in light load situations. 

2. FEATURES

    1. High accuracy over line and load: ±0.9% at 25°C, ±1.5% over temperature

    2. Ultralow dropout voltage: 230 mV at 1.5 A

    3. Requires only COUT = 1.0 μF for stability

    4. anyCAP = stable with any type of capacitor 

    5. Current and thermal limiting

        - Low noise

        - 2.8 V to 6 V input voltage range

        - −40°C to +85°C ambient temperature range

        - SOT-223 package

3. APPLICATIONS

    1. Notebooks, palmtop computers

    2. SCSI terminators

    3. Battery-powered systems

    4. PCMCIA regulators

    5. Bar code scanners

    6. Camcorders, cameras