ADP3309屬于集成電路（IC）的線性+開關(guān)穩(wěn)壓器。由亞德諾半導(dǎo)體技術(shù)有限公司制造生產(chǎn)的ADP3309穩(wěn)壓器 - 線性線性穩(wěn)壓器用于提供穩(wěn)定的輸出電壓，無論負(fù)載電流、輸入電壓或環(huán)境因素如何變化，這些輸出電壓通常都要保持不變。它們的工作原理要求輸入電壓維持在高于所需的輸出電壓，而且要超出某個(gè)最小量，并且在工作時(shí)會(huì)將輸入端的任何多余電壓轉(zhuǎn)換為熱量。對(duì)于大多數(shù)應(yīng)用而言，雖然這種穩(wěn)壓器的效率低于開關(guān)模式的穩(wěn)壓器，但它們通常更適合對(duì)噪聲高度敏感的應(yīng)用。

GENERAL DESCRIPTION

The ADP3303 is a member of the ADP330x family of precision low dropout anyCAP voltage regulators. The ADP3303 stands out from the conventional LDOs with a novel architecture, an enhanced process and a new package. Its patented design requires only a 0.47 μF output capacitor for stability.

FEATURES

High Accuracy Over Line and Load ±0.8 @ at +25°C,

±1.4 Over Temperature

Ultralow Dropout Voltage: 180 mV (Typ) @ 200 mA

Requires Only CO = 0.47 μF for Stability

anyCAP = Stable with All Types of Capacitors

(Including MLCC)

3.2 V to 12 V Supply Range

Current and Thermal Limiting

Low Noise

Dropout Detector

Low Shutdown Current: < 1 μA

Thermally Enhanced SO-8 Package

Excellent Line and Load Regulation Performance

APPLICATIONS

Cellular Telephones

Notebook, Palmtop Computers

Battery Powered Systems

Portable Instruments

Post Regulator for Switching Supplies

Bar Code Scanners