LT1585-3.6 데이터 시트보기 (PDF) - Linear Technology
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LT1585-3.6
Linear Technology
LT1585-3.6 Datasheet PDF : 16 Pages
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LT1584/LT1585/LT1587
TYPICAL APPLICATIONS N
Guaranteed LT1584/LT1431 Circuit for the Intel 90MHz and 100MHz Pentium Processors
(Meets Intel Specifications with Worst-Case Tolerances)
THERMALLOY
5V
7021B-MT
NOTES: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTOR VALUES ARE OHMS,
1/8W, 5%
+
2. ALL CAPACITORS ARE 50V, 20%
3. ALL POLARIZED CAPACITORS ARE AVX
TYPE TPS OR EQUIVALENT
4. INPUT CAPACITANCE MAY BE REDUCED
IF THE 5V SUPPLY IS WELL BYPASSED
5. FOR 100MHz PENTIUM PROCESSOR,
INPUT VOLTAGE MUST BE AT LEAST
4.85V AT THE REGULATOR INPUT
6. FOR PENTIUM VRE PROCESSOR,
R4 NOT INSTALLED
– FOR 3.3V OUTPUT, INSTALL 0Ω JUMPER
RESISTOR R4
7. R3A TO R3E ARE B.I. TECHNOLOGY 627V100
SEE NOTE 5
C2 TO C4
220µF
10V
AVX TPS
3 EACH
3
IN
2
OUT
LT1584
SEE NOTE 6 R4
R1
ADJ
1k
1
C6
R2 0.01µF
1k
R3D 5 R3E 6
C5
33pF
NPO 2
1
COMP COL
3 V+
8
REF
4 LT1431S 7
RT
RM
C1
SGND FGND
83Ω 117Ω
SEE NOTE 7
4
R3C
800Ω
+
3
R3B
1.35k
2
0.1µF
5
6
R3A
1.15k
1
SGND
PGND
LT1584/LT1431 Transient Response
for 3.8A Load Current Step*
VOUT
SENSE
PLACE IN MICROPROCESSOR
SOCKET CAVITY
C8 TO C13
+ 100µF
10V
AVX TPS
6 EACH
C14 TO C23
1µF
16V
AVX Y5V 0805
10 EACH
C7
100µF
10V
PGND
LT1584 • TA06
VOUT
50mV/DIV
IOUT
2A/DIV
100µs/DIV
*TRANSIENT RESPONSE
MEASURED WITH AN INTEL
POWER VALIDATOR.
VOUT IS MEASURED AT THE
POWER VALIDATOR
LT1584 • TA07
RELATED PARTS
PART NUMBER
LT1083/84/85
LT1083/84/85
LT1086
LT1521
LT1529
LT1580
DESCRIPTION
7.5A, 5A, 3A Low Dropout Linear Regulators
7.5A, 5A, 3A Low Dropout Linear Regulators
1.5A Low Dropout Linear Regulator
300mA Low Dropout Linear Regulator with 12µA Quiescent
Current and Shutdown
3A Low Dropout Linear Regulator with 50µA Quiescent
Current and Shutdown
7A Very Low Dropout Linear Regulator
COMMENTS
Fixed Output at 3.3V, 3.6V, 5V and 12V, VIN to 25V
Adjustable Output with up to 30V (VIN – VOUT) Differential
Both Fixed and Adjustable Versions, (VIN – VOUT) to 30V
Both Fixed and Adjustable Versions, Surface Mount
Package Available
Both Fixed and Adjustable Versions, Surface Mount
Package Available
540mV Dropout at 7A, Remote Sensing
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
158457a
LT/TP 0404 1K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1995
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