深圳市中立信电子科技有限公司

ADP3333ARMZ-3-R7

线性稳压器 High Acc 300mA Ultralow IQ

High Accuracy Ultralow IQ, 300 mA,  anyCAP Low Dropout Regulator

GENERAL DESCRIPTION ADP3333ARMZ-3-R7

The ADP3333 is a member of the ADP333x family of precision  low dropout (LDO) anyCAP® voltage regulators. Pin compatible  with the MAX8860, the ADP3333 operates with a wider input  voltage range of 2.6 V to 12 V and delivers a load current up to  300 mA. ADP3333 stands out from other conventional LDOs  with a novel architecture and an enhanced process that enables  it to offer performance advantages over 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 ADP3333 achieves exceptional accuracy of  ±0.8% at room temperature and ±1.8% over temperature, line,  and load variations. The dropout voltage of the ADP3333 is  only 140 mV (typical) at 300 mA. This device also includes a  safety current limit, thermal overload protection, and a shutdown  feature. In shutdown mode, the ground current is reduced to  less than 1 μA. The ADP3333 has ultralow quiescent current,  70 μA (typical) in light load situations.

FEATURES ADP3333ARMZ-3-R7

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

±1.8% over temperature

Ultralow dropout voltage: 230 mV (maximum) @ 300 mA

Requires only COUT = 1.0 μF for stability

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

Current and thermal limiting

Low noise

Low shutdown current: < 1 μA

2.6 V to 12 V supply range

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

Ultrasmall 8-lead MSOP package

APPLICATIONS ADP3333ARMZ-3-R7

Cellular phones

PCMCIA cards

Personal digital assistants (PDAs)

DSP/ASIC supplies