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LT1585ACT-1.5

Description
Low Dropout Regulator LT1585A-1.5 - Fixed 1.5V, 4.6A and 5A Low Dropout, Fast Response GTL+ Regulators
CategoryPower/power management    The power supply circuit   
File Size145KB,8 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric Compare View All

LT1585ACT-1.5 Overview

Low Dropout Regulator LT1585A-1.5 - Fixed 1.5V, 4.6A and 5A Low Dropout, Fast Response GTL+ Regulators

LT1585ACT-1.5 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerADI
package instructionTO-220,
Reach Compliance Codenot_compliant
ECCN codeEAR99
Maximum drop-back voltage 11.4 V
Maximum input voltage7 V
Minimum input voltage3 V
JESD-30 codeR-PSFM-T3
JESD-609 codee0
Humidity sensitivity level1
Number of functions1
Number of terminals3
Working temperatureTJ-Max125 °C
Working temperature TJ-Min
Maximum output current 15 A
Maximum output voltage 11.53 V
Minimum output voltage 11.47 V
Nominal output voltage 11.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-220
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mountNO
technologyBIPOLAR
Terminal surfaceTin/Lead (Sn/Pb) - with Nickel (Ni) barrier
Terminal formTHROUGH-HOLE
Terminal locationSINGLE
Maximum time at peak reflow temperatureNOT SPECIFIED
LT1585-1.5/LT1585A-1.5
Fixed 1.5V, 4.6A and 5A
Low Dropout, Fast Response
GTL+ Regulators
DESCRIPTIO
The LT
®
1585-1.5/LT1585A-1.5 are low dropout, 3-termi-
nal regulators with 4.6A and 5A output current capability
respectively, and a fixed 1.5V output voltage. The designs
are optimized for low voltage applications where transient
response and minimum input voltage are critical. Similar to
the LT1084, they have lower dropout and faster transient
response. These improvements make them ideal for low
voltage microprocessor applications, especially as the
regulator in an Intel processor GTL+ supply.
Current limit is trimmed to ensure specified output current
and controlled short-circuit current. On-chip thermal lim-
iting provides protection against any combination of over-
load that creates excessive junction temperatures.
The LT1585-1.5/LT1585A-1.5 are available in the through-
hole 3-pin TO-220 power package and 3-pin plastic DD.
, LTC and LT are registered trademarks of Linear Technology Corporation.
FEATURES
s
s
s
s
s
Fast Transient Response
Guaranteed Dropout Voltage at Multiple Currents
Load Regulation: 0.05% Typ
Trimmed Current Limit
On-Chip Thermal Limiting
APPLICATIO S
s
s
s
GTL+ Power Supply
Low Voltage Logic Supplies
Battery-Powered Circuitry
TYPICAL APPLICATIO
3.3V
LT1585A-1.5
V
IN
V
OUT
GND
Intel Processor GTL+ Supply
V
TT
= 1.5V
5A
C7 TO
C12
1µF
C3 TO C6
100µF
10V
R1
75Ω
R2
150Ω
R5
100Ω
C13
0.1µF
R7
100Ω
R8
100Ω
R6
100Ω V
REF
R3
75Ω
R4
150Ω
C14
0.1µF
+
C1, C2
100µF
10V
+
V
REF
RX
TX
Q1
RX
NOTE: LTC RECOMMENDS CENTRALLY
LOCATING THE LT1585A-1.5 TO MINIMIZE
V
TT
DISTRIBUTION DROPS AND USING
SEPARATE V
REF
GENERATORS AT EACH
BUS END
TX
Q3
142 TOTAL SIGNAL LINES
U
U
U
RX
Q2
TX
RX
Q4
TX
1585-1.5 • TA01
1

LT1585ACT-1.5 Related Products

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Description Low Dropout Regulator LT1585A-1.5 - Fixed 1.5V, 4.6A and 5A Low Dropout, Fast Response GTL+ Regulators LDO Voltage Regulators 1.5V L/Dropout HS 5A Linear Reg LDO Voltage Regulators LT1585A-1.5 - Fixed 1.5V, 4.6A and 5A Low Dropout, Fast Response GTL+ Regulators LDO Voltage Regulators 1.5V L/Dropout HS 5A Linear Reg LDO Voltage Regulators LT1585A-1.5 - Fixed 1.5V, 4.6A and 5A Low Dropout, Fast Response GTL+ Regulators Low Dropout Regulator LT1585-1.5 - Fixed 1.5V, 4.6A and 5A Low Dropout, Fast Response GTL+ Regulators Low Dropout Voltage Regulator 1.5VL/Dropout HS 5A Linear Reg
Is it Rohs certified? incompatible conform to incompatible conform to incompatible incompatible conform to
Maker ADI ADI ADI ADI ADI ADI ADI
package instruction TO-220, TO-263, TO-263, TO-263, TO-263, TO-220, TO-220,
Reach Compliance Code not_compliant not_compliant compliant not_compliant not_compliant not_compliant not_compliant
Maximum drop-back voltage 1 1.4 V 1.4 V 1.4 V 1.4 V 1.4 V 1.4 V 1.4 V
Maximum input voltage 7 V 7 V 7 V 7 V 7 V 7 V 7 V
Minimum input voltage 3 V 3 V 3 V 3 V 3 V 3 V 3 V
JESD-30 code R-PSFM-T3 R-PSSO-G3 R-PSSO-G3 R-PSSO-G3 R-PSSO-G3 R-PSFM-T3 R-PSFM-T3
JESD-609 code e0 e3 e0 e3 e0 e0 e3
Humidity sensitivity level 1 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1 1
Number of terminals 3 3 3 3 3 3 3
Working temperatureTJ-Max 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C
Maximum output current 1 5 A 5 A 5 A 5 A 5 A 4.6 A 5 A
Maximum output voltage 1 1.53 V 1.53 V 1.53 V 1.53 V 1.53 V 1.53 V 1.53 V
Minimum output voltage 1 1.47 V 1.47 V 1.47 V 1.47 V 1.47 V 1.47 V 1.47 V
Nominal output voltage 1 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code TO-220 TO-263 TO-263 TO-263 TO-263 TO-220 TO-220
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form FLANGE MOUNT SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE FLANGE MOUNT FLANGE MOUNT
Peak Reflow Temperature (Celsius) NOT SPECIFIED 260 235 250 235 NOT SPECIFIED NOT SPECIFIED
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Regulator type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mount NO YES YES YES YES NO NO
Terminal surface Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier MATTE TIN TIN LEAD MATTE TIN Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier Tin/Lead (Sn/Pb) - with Nickel (Ni) barrier MATTE TIN
Terminal form THROUGH-HOLE GULL WING GULL WING GULL WING GULL WING THROUGH-HOLE THROUGH-HOLE
Terminal location SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE
Maximum time at peak reflow temperature NOT SPECIFIED 30 20 NOT SPECIFIED 20 NOT SPECIFIED NOT SPECIFIED
ECCN code EAR99 - EAR99 - EAR99 EAR99 -
technology BIPOLAR - - - BIPOLAR BIPOLAR BIPOLAR
length - 10.2235 mm 10.2235 mm 10.2235 mm 10.2235 mm - -
Maximum seat height - 4.9 mm 4.9 mm 4.9 mm 4.877 mm - -
Terminal pitch - 2.54 mm 2.54 mm 2.54 mm 2.54 mm - -
width - 8.89 mm 8.89 mm 8.89 mm 8.89 mm - -
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