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ADP2371 Datasheet Low Quiescent Current Buck Regulator

Manufacturer: Analog Devices

Overview: Data Sheet High Voltage, 1.2 MHz/600 kHz, 800 mA, Low Quiescent Current Buck Regulator ADP2370/ADP2371.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The ADP2370/ADP2371 are high efficiency, low quiescent current, 800 mA buck (step-down) dc-to-dc converters in small 8-lead, 3 mm × 3 mm LFCSP (QFN) packages.

The total solution requires only three tiny external components.

The buck regulator uses a proprietary high speed current mode, constant frequency PWM control scheme for excellent stability and transient response.

Key Features

  • Input voltage range: 3.2 V to 15 V, output current: 800 mA Quiescent current < 14 µA in power saving mode (PSM) >90% efficiency Force PWM pin (SYNC), 600 kHz/1.2 MHz frequency pin (FSEL) Fixed outputs: 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.0 V, 3.3 V, 5 V, and adjustable option 100% duty cycle capability Initial accuracy: ±1% Low shutdown current:.

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