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LT1587CM-3.45#TRPBF

Description
IC REG LINEAR 3.45V 3A D2PAK-3
CategoryPower/power management    The power supply circuit   
File Size215KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LT1587CM-3.45#TRPBF Overview

IC REG LINEAR 3.45V 3A D2PAK-3

LT1587CM-3.45#TRPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
Parts packaging codeD2PAK
package instructionTO-263,
Contacts3
Manufacturer packaging codeM
Reach Compliance Codecompliant
ECCN codeEAR99
Maximum drop-back voltage 11.3 V
Maximum input voltage7 V
Minimum input voltage4.75 V
JESD-30 codeR-PSSO-G2
JESD-609 codee3
length10.2235 mm
Humidity sensitivity level1
Number of functions1
Number of terminals2
Working temperatureTJ-Max125 °C
Working temperature TJ-Min
Maximum output current 13 A
Maximum output voltage 13.519 V
Minimum output voltage 13.381 V
Nominal output voltage 13.45 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-263
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height4.572 mm
surface mountYES
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch2.54 mm
Terminal locationSINGLE
Maximum time at peak reflow temperature30
width8.89 mm
Base Number Matches1
LT1584/LT1585/LT1587
7A, 4.6A, 3A Low Dropout
Fast Response
Positive Regulators
Adjustable and Fixed
FEATURES
s
s
s
s
s
s
DESCRIPTIO
Fast Transient Response
Guaranteed Dropout Voltage at Multiple Currents
Load Regulation: 0.05% Typical
Trimmed Current Limit
On-Chip Thermal Limiting
Standard 3-Pin Power Package
APPLICATIO S
s
s
s
s
s
s
Pentium
TM
Processor Supplies
PowerPC
TM
Supplies
Other 2.5V to 3.6V Microprocessor Supplies
Low Voltage Logic Supplies
Battery-Powered Circuitry
Post Regulator for Switching Supply
Adjustable
3.3V Fixed
3.38V Fixed
3.45V Fixed
3.6V Fixed
The LT
®
1584/LT1585/LT1587 are low dropout three-
terminal regulators with 7A, 4.6A and 3A output current
capability, respectively. Design has been optimized for low
voltage applications where transient response and mini-
mum input voltage are critical. Similar to the LT1083/4/5
family, it has lower dropout voltage and faster transient
response. These improvements make it ideal for low volt-
age microprocessor applications requiring a regulated
2.5V to 3.6V output with an input supply below 7V.
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 would create excessive junction temperatures.
The LT1585/LT1587 are available in both the through-hole
and surface mount versions of the industry standard 3-pin
TO-220 power package. The LT1584 is available in the
through-hole 3-pin TO-220 power package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Pentium is a trademark of Intel Corporation. PowerPC is a trademark of IBM Corporation.
LT1585/7CM, LT1584/5/7CT
LT1585/7CM-3.3, LT1584/5/7CT-3.3
LT1585CM-3.38, LT1584/5CT-3.38
LT1585/7CM-3.45, LT1584/5/7CT-3.45
LT1585/7CM-3.6, LT1584/5/7CT-3.6
TYPICAL APPLICATIO
LT1584-3.3
LT1585-3.3
LT1587-3.3
C1
10µF
Dropout Voltage vs Output Current
1.5
1.4
3.3V, 7A, 4.6A, 3A Regulator
INPUT/OUTPUT DIFFERENTIAL (V)
V
IN
4.75V
3.3V
7A, 4.6A, 3A
C2*
SOLID
TANTALUM
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0
OUTPUT CURRENT (A)
1585 TA02
+
+
* REQUIRED FOR STABILITY
LT1584: C2 = 22µF,
LT1585/LT1587: C2 = 10µF
1585 TA01
NOTE: MICROPROCESSOR APPLICATIONS WITH LOAD TRANSIENTS OF 3.8A REQUIRE
OUTPUT DECOUPLING CAPACITANCE > 1300µF ON FIXED VOLTAGE PARTS TO ACHIEVE
< 50mV OF DEVIATION FROM NOMINAL OUTPUT. CONSULT FACTORY FOR DETAILS
U
I
FULL LOAD
158457a
U
U
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