LM304H National Semiconductor, LM304H Datasheet

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LM304H

Manufacturer Part Number
LM304H
Description
Negative regulator
Manufacturer
National Semiconductor
Datasheet

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C 1995 National Semiconductor Corporation
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
Y
Y
Y
Y
Schematic Diagram
Subsurface zener reference
1 mV regulation no load to full load
0 01% V line regulation
0 2 mV V ripple rejection
0 3% temperature stability over military temperature
range
TL H 7754
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
for operation over the
The LM304 is specified for operation from 0 C to
a
125 C military temperature range The LM204 is specified
b
25 C to
a
85 C temperature range
RRD-B30M115 Printed in U S A
March 1989
TL H 7754 – 1
b
a
55 C to
70 C

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LM304H Summary of contents

Page 1

... temperature stability over military temperature Y range Schematic Diagram C 1995 National Semiconductor Corporation TL H 7754 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 ...

Page 2

... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications (Note 6) Input Voltage Input-Output Voltage Differential Power Dissipation (Note 1) Operating Temperature Range LM104 LM204 LM304 Storage Temperature Range Lead Temperature (Soldering 10 sec ) ...

Page 3

Typical Performance Characteristics Load Regulation Supply Voltage Rejection Current Limit Sense Voltage Line Transient Response Load Regulation Current Limiting Supply Voltage Rejection With Preregulated Reference Supply Ripple Rejection Regulator Dropout Voltage Minimum Input Voltage Load Transient Response Standby Current Drain ...

Page 4

... Connection Diagram Order Number LM104H LM204H or LM304H Typical Applications Operating with Separate Bias Supply High Current Regulator Solid Tantalum Metal Can Package TL H 7754– 2 Note Pin 5 connected to case Top View See NS Package H10C Basic Regulator Circuit Solid Tantalum Solid Tantalum Trim R1 for exact scale factor TL H 7754– ...

Page 5

5 ...

Page 6

... Physical Dimensions inches (millimeters) Order Number LM104H LM204H or LM304H 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 ...

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