MAX8559EBA

更新时间： 2024-11-25 22:17:43

品牌	Logo	应用领域
美信 - MAXIM		稳压器
页数	文件大小	规格书
12页	267K
描述
Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN

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MAX8559EBA 数据手册

19-3121; Rev 0; 1/04

Dual, 300mA, Low-Noise Linear Regulator

with Independent Shutdown in UCSP or TDFN

General Description

Features

The MAX8559 dual, low-noise, low-dropout (LDO) linear

regulator operates from a 2.5V to 6.5V input voltage

and delivers at least 300mA of continuous output cur-

rent. It offers low output noise and low dropout of only

60mV at 100mA. Typical output noise for this device is

♦ Two Low-Dropout-Voltage Regulators

♦ Low 32µV Output Noise

RMS

♦ 300mA Output Current for Each LDO

♦ 70dB PSRR at 10kHz

32µV

, and PSRR is 70dB at 10kHz. Designed with

RMS

♦ Independent Shutdown Controls

♦ Low 60mV Dropout at 100mA Load

an internal P-channel MOSFET pass transistor, the

MAX8559 maintains a low 115µA supply current per

LDO, independent of the load current and dropout volt-

age. Other features include short-circuit protection and

thermal-shutdown protection. The MAX8559 includes

two independent logic-controlled shutdown inputs and

is capable of operating without a bypass capacitor to

further reduce total solution size. The MAX8559 is avail-

able in a miniature 8-bump UCSP (2mm x 1mm) or

8-pin TDFN (3mm x 3mm) package.

♦ 115µA Operating Supply Current per LDO

♦ 1.5V to 3.3V Factory-Preset Output

♦ Small Ceramic Output Capacitors

♦ Output Current Limit

♦ Thermal-Overload and Short-Circuit Protection

♦ 1.95W Power-Dissipation Capability (TDFN)

♦ 2mm²Footprint (UCSP)

Applications

Cellular and Cordless Phones

PDAs and Palmtop Computers

Notebook Computers

Digital Cameras

Ordering Information

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

8 UCSP (B8-1)

8 TDFN-EP**

MAX8559EBAxy*†

MAX8559ETAxy*

PCMCIA Cards

*xy = Output voltage code (see the Output Voltage

Selector Guide).

Wireless LAN Cards

**EP = Exposed pad.

†Future product—contact factory for availability.

Hand-Held Instruments

Typical Operating Circuit

Pin Configurations

TOP VIEW

INPUT

2.5V TO 6.5V

2.2µF

min

1.5V TO 3.3V

INA

INB

OUTA

OUTB

2.2µF/150mA

4.7µF/300mA

MAX8559ETA

1.5V TO 3.3V

MAX8559

GND

SHDNA

SHDNB

2.2µF/150mA

4.7µF/300mA

OFF

0.01µF

(OPTIONAL)

TDFN

3mm x 3mm

Pin Configurations continued at end of data sheet.

Output Voltage Selector Guide appears at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...12

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与MAX8559EBA相关器件

型号	品牌	获取价格	描述	数据表
MAX8559EBA11+	MAXIM	获取价格	Fixed Positive LDO Regulator, 2 Output, 1.85V1, 1.85V2, BICMOS, PBGA8, 2.06 X 1.03 MM, LEA
MAX8559EBA11-T	MAXIM	获取价格	Fixed Positive LDO Regulator, 2 Output, 1.85V1, 1.85V2, BICMOS, PBGA8, 2.06 X 1.03 MM, UCS
MAX8559EBA22+	MAXIM	获取价格	Fixed Positive LDO Regulator
MAX8559EBA2G	MAXIM	获取价格	Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN
MAX8559EBA2G+T	MAXIM	获取价格	Fixed Positive LDO Regulator, 2 Output, 1.8V1, 3V2, BICMOS, PBGA8, 2.06 X 1.03 MM, LEAD FR
MAX8559EBA2G-T	MAXIM	获取价格	Fixed Positive LDO Regulator, 2 Output, 1.8V1, 3V2, BICMOS, PBGA8, 2.06 X 1.03 MM, UCSP-8
MAX8559EBA8A	MAXIM	获取价格	Dual, 300mA, Low-Noise Linear Regulator with Independent Shutdown in UCSP or TDFN
MAX8559EBA8A+	MAXIM	获取价格	Regulator, 2 Output, BICMOS, PBGA8,
MAX8559EBA8A+T	MAXIM	获取价格	暂无描述
MAX8559EBA8A-T	MAXIM	获取价格	Fixed Positive LDO Regulator, 2 Output, 1.5V1, 3.3V2, BICMOS, PBGA8, 2.06 X 1.03 MM, UCSP-

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