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FAN2564

更新时间： 2024-11-26 06:58:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
13页	577K
描述
300mA Low VIN LDO for Digital Applications

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FAN2564 数据手册

January 2009

FAN2564

300mA Low V_INLDO for Digital Applications

Features

Description

The FAN2564 operates from a minimum input of 1.65V

and provides outputs as low as 1.2V. Output current is

guaranteed to 300mA, making this regulator ideal for

digital loads.

Input Voltage 1.65V to 3.6V

Guaranteed 300mA Output

High Initial Output Voltage Accuracy: ±1%

Fixed Output Voltage options from 1.2V to 2.8V

Very Low Dropout: 100mV at 300mA

45µA Quiescent Current at No Load

Low Output Noise of 100µV_RMS

Inrush Current Controlled to Less Than 500mA

PSRR of 60dB at 1kHz

The unique low input voltage capability and very low

dropout make this device an ideal post regulator to a

synchronous buck regulator. In this configuration, accu-

rate low voltage regulation is provided without the ineffi-

ciencies typically related to linear regulators.

The enable pin can be used to initiate shutdown mode,

where the operating current falls to an extremely low

10nA, typically.

The FAN2564 is designed to be stable with space-

saving ceramic capacitors as small as 0402 case size.

100µs Startup Time

Stable with Ceramic Capacitors

Thermal and Short-Circuit Protection

4-bump WLCSP, 0.5mm Pitch

6-pin 2 x 2mm UMLP

The FAN2564 is available in 4-bump 0.5mm pitch wa-

fer-level chip-scale package (WLCSP) and a 6-lead 2 x

2mm ultra-thin molded leadless package (UMLP).

Applications

Post Regulator

Cell Phones and Smart Phones

WLAN, 3G, and 4G Data Cards

PMP and MP3 Players

Typical Application Circuit

Figure 1.

Typical Application Circuit

FAN2564 • Rev. 1.0.1

www.fairchildsemi.com

12 3 4 5 6 7...13

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