lt1038mk Linear Technology Corporation, lt1038mk Datasheet

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lt1038mk

Manufacturer Part Number
lt1038mk
Description
10a Positive Adjustable Voltage Regulator
Manufacturer
Linear Technology Corporation
Datasheet
FEATURES
APPLICATIO S
TYPICAL APPLICATIONS
Guaranteed
Guaranteed
Guaranteed
100% Thermal Limit Burn-In
24A Transient Output Current
Standard Adjustable Pinout
Operates to 35V
System Power Supplies
High Power Linear Regulator
Battery Chargers
Power Driver
Constant Current Regulator
Consult www.linear.com for possible alternate source.
OBSOLETE PRODUCT
DATA SHEET FOR REFERENCE ONLY
V
IN
1 F
8V
+
0.8% Initial Tolerance
0.4% Load Regulation
10A Output Current
U
V
5V, 10A Regulator
IN
LT1038
ADJ
V
OUT
U
121
1%
365
1%
+
10 F
5V
AT 10A
1038 TA01
DESCRIPTIO
The LT
of providing in excess of 10A output current over 1.2V to
32V range. The device is packaged in a standard T0-3
power package and is plug-in compatible with industry
standard adjustable regulators, such as the LM117 and
LM138. Also, the LT1038 is a functional replacement for
the LM396.
In addition to excellent load and line regulations, the
LT1038 is fully protected by current limiting, safe area
protection and thermal shutdown. New current limiting
circuitry allows transient load currents up to 24A to be
supplied for 500 s without causing the regulator to cur-
rent limit and drop out of regulation during the transient.
On-chip trimming of initial reference voltage to 0.8%
combined with 0.4% load regulation minimize errors in all
high current applications. Further, the LT1038 is manufac-
tured with standard bipolar processing and has Linear
Technology’s high reliability.
, LTC and LT are registered trademarks of Linear Technology Corporation.
®
1038 is a three terminal regulator which is capable
– 0.1
– 0.2
– 0.3
– 0.4
0.2
0.1
0
– 75
V
V
PRELOAD = 100mA
Adjustable Voltage
IN
OUT
– 50
= 15V
= 10V
U
– 25
Load Regulation
TEMPERATURE ( C)
0
I
OUT
25
= 10A
50
10A Positive
I
75 100 125
OUT
Regulator
= 6A
1038 TA02
150
LT1038
1

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lt1038mk Summary of contents

Page 1

... On-chip trimming of initial reference voltage to 0.8% combined with 0.4% load regulation minimize errors in all high current applications. Further, the LT1038 is manufac- tured with standard bipolar processing and has Linear Technology’s high reliability. , LTC and LT are registered trademarks of Linear Technology Corporation 10A 121 1% ...

Page 2

... V ) 20V OUT – 10V OUT 10 14 – 30V OUT j = 125 C, 1000 Hours U W BOTTOM VIEW ORDER PART V IN NUMBER 2 LT1038MK LT1038CK 1 CASE IS OUTPUT K PACKAGE 2-LEAD TO-3 METAL CAN C/W JMAX JA OBSOLETE PACKAGE LT1038M LT1038C TYP MAX MIN TYP 1.25 1.26 1.23 1.25 1 ...

Page 3

ELECTRICAL CHARACTERISTICS Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Unless otherwise specified, these specifications apply: V – and I = 5A. These specifications are ...

Page 4

LT1038 W U TYPICAL PERFOR A CE CHARACTERISTICS Ripple Rejection 100 V = 15V 10V OUT ADJ OUT ADJ 100 10k ...

Page 5

U U APPLICATIO S I FOR ATIO General The LT1038 develops a 1.25V reference voltage between the output and the adjustment terminal (see Figure 1). By placing a resistor, R1, between these two terminals, a constant current is caused to ...

Page 6

LT1038 U TYPICAL APPLICATIO TRIAD C30B F-269U 20 3 110V C30B 1N4003 1N4003 1 F 82k 10k 1N4148 *1% FILM RESISTOR L-DALE TO-5 TYPE T2-STANCOR 11Z-2003 GENERAL PURPOSE REGULATOR WITH SCR PREREGULATOR TO LOWER ...

Page 7

... Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. 1.2V to 25V Adjustable Regulator LT1038 ...

Page 8

... OUT IN ADJ TTL OR CMOS 10k 1.177 – 1.197 (29.90 – 30.40) 0.655 – 0.675 (16.64 – 17.15) 0.151 – 0.161 (3.86 – 4.09) DIA, 2 PLACES 0.167 – 0.177 (4.24 – 4.49) R 0.490 – 0.510 (12.45 – 12.95) K2(TO-3) 1098 R 1038fa LT/TP 0701 1.5K REV A • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 2000 15V 1039 TA12 ...

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