Datasheet > ST5R28

ST5R28

更新时间： 2024-09-23 23:34:39

品牌	Logo	应用领域
其他 - ETC		转换器
页数	文件大小	规格书
15页	555K
描述
MICROPOWER VFM STPE-UP DC/DC CONVERTER

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中文翻译

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数据手册

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ST5R28 数据手册

ST5R00

SERIES

MICROPOWER VFM STEP-UP DC/DC CONVERTER

■

VERY LOW SUPPLY CURRENT

REGULATED OUTPUT VOLTAGE

WIDE RANGE OF OUTPUT VOLTAGE

AVAILABLE (2.5V, 2.8V, 3.0V, 3.3V, 5.0V)

OUTPUT VOLTAGE ACCURACY ±5%

OUTPUT CURRENT UP TO 100mA

LOW RIPPLE AND LOW NOISE

VERY LOW START-UP VOLTAGE

■

SOT23-5L

SOT-89

HIGH EFFICIENCY (V

= 5V TYP. 87%)

OUT

FEW EXTERNAL COMPONENTS

VERY SMALL PACKAGE: SOT23-5L, SOT-89

the use of small, low cost inductors. Only three

external components are needed: an inductor a

diode and an output capacitor.

The ST5R00 is suitable to be used in a battery

powered equipment where low noise, low ripple

and ultra low supply current are required. The

ST5R00 is available in very small packages:

SOT23-5L, SOT-89.

Typical applications are pagers, cameras & video

camera, cellular telephones, wireless telephones,

palmtop computer, battery backup supplies,

battery powered equipment.

DESCRIPTION

The ST5R00 is an high efficiency VFM Step-up

DC/DC converter for small, low input voltage or

battery powered systems with ultra low quiescent

supply current. The ST5Rxx accept a positive

input voltage from start-up voltage to V

convert it to a higher output voltage in the 2.5 to

and

OUT

5V range.

The ST5R00 combine ultra low quiescent supply

current and high efficiency to give maximum

battery life. The high switching frequency and the

internally limited peak inductor current, permits

SCHEMATIC DIAGRAM

October 2003

1/15

12 3 4 5 6 7...15

中文翻译

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