Datasheet > BL1085_12

BL1085_12

更新时间： 2024-11-23 00:55:07

品牌	Logo	应用领域
上海贝岭 - BELLING		/
页数	文件大小	规格书
13页	668K
描述
3A Bipolar Linear Regulator

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BL1085_12 数据手册

BL1085

3A Bipolar Linear Regulator

DESCRIPTION

FEATURES



Fixed and adjustable versions.

Maximum output current : 3A

Maximum input voltage: 15V

Line regulation: 0.2％ (Typical)

Load regulation: 0.2％ (Typical)

On-Chip Thermal Shutdown

Operation environment Temperature: -10℃

~ 85℃

BL1085 is a series of low dropout three

terminal regulators with a typical dropout

voltage of 1.4V at 3A load current.

Other than fixed voltage versions (1.8V, 2.5V,

3.3V, 5.0V), BL1085 has an adjustable

voltage version, with which desired voltage

can be achieved by setting the values of two

external resistors of the application circuitry.

BL1085 offers thermal shut down and current

limit functions to assure the stability of chip

and power system.

APPLICATIONS



Power Management for Computer Mother

Board, Graphic Card

BL1085 series is available in standard

packages of TO-263-2L, TO-263-3L, TO-220

and TO-252.



Battery Charger

Post Regulators for Switching Supplies

Microprocessor Supply

TYPICAL APPLICATION

ELECTRICAL CHARACTERISTICS

1.5

1.4

1.3

1.2

1.1

BL1085

0.9

0.8

0.5

1.5

2.5

Iout(A)

3.5

4.5

Fig 1. BL1085 fixed version Application circuit

Fig 2. Dropout Voltage VS. Output Current

NOTE: Input capacitor (Cin=10uF) and Output

capacitor (Cout=22uF) are recommended in all

application circuit. Tantalum capacitor is

preferred.

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