LM337

更新时间： 2024-11-20 05:42:03

品牌	Logo	应用领域
凌特 - Linear		稳压器
页数	文件大小	规格书
12页	157K
描述
Negative Adjustable Regulator

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中文翻译

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数据手册

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LM337 数据手册

LT137A/LM137

LT337A/LM337

Negative Adjustable

Regulator

FEATURES

DESCRIPTION

The LT^®137A/LT337A negative adjustable regulators will

deliver up to 1.5A output current over an output voltage

range of –1.2V to –37V. Linear Technology has made

signiﬁcantimprovementsintheseregulatorscomparedto

previous devices, such as better line and load regulation,

and a maximum output voltage error of 1%.

Guaranteed 1% Initial Voltage Tolerance

Guaranteed 0.01%/V Line Regulation

Guaranteed 0.5% Load Regulation

Guaranteed 0.02%/W Thermal Regulation

100% Burn-in in Thermal Limit

APPLICATIONS

Every effort has been made to make these devices easy

to use and difﬁcult to damage. Internal current and power

limitingcoupledwithtruethermallimitingpreventsdevice

damage due to overloads or shorts, even if the regulator

is not fastened to a heat sink.

Adjustable Power Supplies

System Power Supplies

Precision Voltage/Current Regulators

On-Card Regulators

Maximum reliability is attained with Linear Technology’s

advanced processing techniques combined with a 100%

burn-in in the thermal limit mode. This assures that all

device protection circuits are working and eliminates ﬁeld

failuresexperiencedwithotherregulatorsthatreceiveonly

standard electrical testing.

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other

trademarks are the property of their respective owners.

TYPICAL APPLICATION

Negative Regulator

Output Voltage Error

1% RESISTORS

2% RESISTORS

R2*

5μF

1μF

SOLID

TANTALUM

SOLID

TANTALUM

121Ω

LM337

ADJ

–V

LT137A

–V

= 1.25V 1 +

OUT

ꢀ

ꢁ

LT337A

137A TA01

OUT

*R2 = R1

– 1

ꢀ

ꢁ

1.25V

8 10

100

OUTPUT VOLTAGE (V)

137A TA01b

137afb

12 3 4 5 6 7...12

中文翻译

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