ST2L05 datasheet(1/23 Pages) STMICROELECTRONICS

tên linh kiện	ST2L05

Giải thích chi tiết về linh kiện	VERY LOW QUIESCENT CURRENT DUAL VOLTAGE REGULATOR

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December 2004

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VO1 = 1.5, 1.8, 2.5, 2.8, 3.0, 3.3V FIXED

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VO2 = 1.5, 1.8, 2.5, 2.8, 3.0, 3.3V FIXED OR

ADJUSTABLE FROM 1.25 TO VI - VDROP

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GUARANTEED OUTPUT1 CURRENT: 1A

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GUARANTEED OUTPUT2 CURRENT: 1A

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± 2% OUTPUT TOLERANCE (AT 25°C)

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± 3% OUTPUT TOLERANCE OVER TEMP.

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TYPICAL DROPOUT 1.1V (IO1 = IO2 = 1A)

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INTERNAL POWER AND THERMAL LIMIT

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STABLE WITH LOW ESR OUTPUT

CAPACITOR

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OPERATING TEMPERATURE RANGE:

0°C TO 125°C

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VERY LOW QUIESCENT CURRENT: 7mA

MAX OVER TEMP.

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AVAILABLE IN SPAK AND IN DFN 5x6mm

PACKAGE

DESCRIPTION

Specifically

designed

for

data

storage

applications, this device integrates two voltage

regulators, each one able to supply 1A and it is

assembled in SPAK and in a new 8-PIN surface

mounting package named DFN 5x6mm at 8 pins.

The first regulator block supplies 1.5V, 1.8V, 2.5V,

2.8V, 3.0V, 3.3V depending on the chosen

version. The second one may be fixed to the same

values or adjustable from 1.25V to VI - VDROP that

could

power

several

kind

of

different

micro-controllers. Both outputs are current limited

and over temperature protected. It is worth

underlining the very good thermal performance of

the packages SPAK and DFN with only 2°C/W of

Thermal

Resistance

Junction

to

Case.

Applications are HARD DISK, CD/DVD-ROM, CD/

DVD-R/RW, COMBO (DVD-ROM+CD-R/RW).

ST2L05

VERY LOW QUIESCENT CURRENT

DUAL VOLTAGE REGULATOR

Figure 1: Block Diagram Of Fixed/adj Version

DFN

SPAK-5L

Rev. 6

Số phần tương tự - ST2L05

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