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LM304 の電気的特性と機能

LM304のメーカーはNational Semiconductorです、この部品の機能は「Negative Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 LM304
部品説明 Negative Regulator
メーカ National Semiconductor
ロゴ National Semiconductor ロゴ 




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LM304 Datasheet, LM304 PDF,ピン配置, 機能
March 1989
LM104 LM204 LM304 Negative Regulator
General Description
The LM104 series are precision voltage regulators which
can be programmed by a single external resistor to supply
any voltage from 40V down to zero while operating from a
single unregulated supply They can also provide 0 01-per-
cent regulation in circuits using a separate floating bias
supply where the output voltage is limited only by the
breakdown of external pass transistors Although designed
primarily as linear series regulators the circuits can be used
as switching regulators current regulators or in a number of
other control applications Typical performance characteris-
tics are
Y Subsurface zener reference
Y 1 mV regulation no load to full load
Y 0 01% V line regulation
Y 0 2 mV V ripple rejection
Y 0 3% temperature stability over military temperature
range
The LM104 series is the complement of the LM105 positive
regulator intended for systems requiring regulated negative
voltages which have a common ground with the unregulated
supply By themselves they can deliver output currents to
25 mA but external transistors can be added to get any
desired current The output voltage is set by external resis-
tors and either constant or foldback current limiting is made
available
The LM104 is specified for operation over the b55 C to
a125 C military temperature range The LM204 is specified
for operation over the b25 C to a85 C temperature range
The LM304 is specified for operation from 0 C to a70 C
Schematic Diagram
C1995 National Semiconductor Corporation TL H 7754
TL H 7754 – 1
RRD-B30M115 Printed in U S A

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LM304 pdf, ピン配列
Typical Performance Characteristics
Load Regulation
Load Regulation
Current Limiting
Supply Voltage Rejection
Supply Voltage Rejection With
Preregulated Reference Supply
Ripple Rejection
Current Limit Sense Voltage
Regulator Dropout Voltage
Minimum Input Voltage
Line Transient Response
Load Transient Response
Standby Current Drain
TL H 7754 – 7
3


3Pages


LM304 電子部品, 半導体
Physical Dimensions inches (millimeters)
Metal Can Package (H)
Order Number LM104H LM204H or LM304H
NS Package Number H10C
LIFE SUPPORT POLICY
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL
SEMICONDUCTOR CORPORATION As used herein
1 Life support devices or systems are devices or
systems which (a) are intended for surgical implant
into the body or (b) support or sustain life and whose
failure to perform when properly used in accordance
with instructions for use provided in the labeling can
be reasonably expected to result in a significant injury
to the user
2 A critical component is any component of a life
support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system or to affect its safety or
effectiveness
National Semiconductor
Corporation
1111 West Bardin Road
Arlington TX 76017
Tel 1(800) 272-9959
Fax 1(800) 737-7018
National Semiconductor
Europe
Fax (a49) 0-180-530 85 86
Email cnjwge tevm2 nsc com
Deutsch Tel (a49) 0-180-530 85 85
English Tel (a49) 0-180-532 78 32
Fran ais Tel (a49) 0-180-532 93 58
Italiano Tel (a49) 0-180-534 16 80
National Semiconductor
Hong Kong Ltd
13th Floor Straight Block
Ocean Centre 5 Canton Rd
Tsimshatsui Kowloon
Hong Kong
Tel (852) 2737-1600
Fax (852) 2736-9960
National Semiconductor
Japan Ltd
Tel 81-043-299-2309
Fax 81-043-299-2408
National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications

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