ADP3338AKCZ-2.5RL7 Integrated Circuit Chip ic resistor High Accuracy, Ultralow I Low Dropout Regulator

High Accuracy, Ultralow IQ, 1 A, anyCAP® Low Dropout Regulator ADP3338

FEATURES

High accuracy over line and load: ±0.8% @ 25°C, ±1.4% over temperature

Ultralow dropout voltage: 190 mV (typ) @ 1 A

Requires only CO = 1.0 µF for stability

anyCAP is stable with any type of capacitor (including MLCC)

Current and thermal limiting

Low noise

2.7 V to 8 V supply range

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

SOT-223 package

APPLICATIONS

Notebook, palmtop computers

SCSI terminators

Battery-powered systems

Bar code scanners

Camcorders, cameras

Home entertainment systems

Networking systems

DSP/ASIC supplies

GENERAL DESCRIPTION

The ADP3338 is a member of the ADP33xx family of precision, low dropout (LDO), anyCAP voltage regulators. The ADP3338 operates with an input voltage range of 2.7 V to 8 V and delivers a load current up to 1 A. The ADP3338 stands out from conventional LDOs with a novel architecture and an enhanced process that offers performance advantages and higher output current than its competition. Its patented design requires only a 1 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 ADP3338 achieves exceptional accuracy of ±0.8% at room temperature and ±1.4% over temperature, line, and load variations. The dropout voltage of the ADP3338 is only 190 mV (typical) at 1 A. The device also includes a safety current limit and thermal overload protection. The ADP3338 has ultralow quiescent current: 110 µA (typical) in light load situations.

ABSOLUTE MAXIMUM RATINGS

Unless otherwise specified, all voltages are referenced to GND.

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

FUNCTIONAL BLOCK DIAGRAM

OUTLINE DIMENSIONS

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