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LT1085IM-3.6#TRPBF

Description
PMIC - 稳压器 - 线性 正 固定 1 输出 3A D2PAK-3
Categorysemiconductor    Multi-channel IC (PMIC)   
File Size241KB,18 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LT1085IM-3.6#TRPBF Overview

PMIC - 稳压器 - 线性 正 固定 1 输出 3A D2PAK-3

LT1085IM-3.6#TRPBF Parametric

Parameter NameAttribute value
category
MakerADI
series-
PackageTape and Reel (TR)
Output configurationjust
Output typefixed
Voltage - input (maximum)20V
Voltage - Output (minimum/fixed)3.6V
Voltage - Output (maximum)-
Voltage drop (maximum)1.5V @ 3A
Current - Output3A
PSRR72dB(120Hz)
Control characteristics-
Protective functionover temperature
Operating temperature-40°C ~ 125°C
Installation typesurface mount type
Package/casingTO-263-4, D²Pak (3-lead + tab), TO-263AA
Supplier device packagingD2PAK-3
Number of voltage regulators1
Current - static (Iq)10 mA
Basic product numberLT1085
LT1083/LT1084/LT1085 Fixed
3A, 5A, 7.5A Low Dropout
Positive Fixed Regulators
FeaTures
n
n
n
n
n
n
n
n
DescripTion
The
LT
®
1083
series of positive adjustable regulators are
designed to provide 3A, 5A and 7.5A with higher efficiency
than currently available devices. All internal circuitry is
designed to operate down to 1V input to output differential
and the dropout voltage is fully specified as a function
of load current. Dropout is guaranteed at a maximum of
1.5V at maximum output current, decreasing at lower load
currents. On-chip trimming adjusts the output voltage to
1%. Current limit is also trimmed, minimizing the stress
on both the regulator and power source circuitry under
overload conditions.
The LT1083 series devices are pin compatible with older
three-terminal regulators. A 10µF output capacitor is
required on these new devices; however, this is usually
included in most regulator designs.
Unlike PNP regulators, where up to 10% of the output cur-
rent is wasted as quiescent current, the LT1083 quiescent
current flows into the load, increasing efficiency.
L,
LT, LTC, LTM, Linear Technology, the Linear logo and OPTI-LOOP are registered trademarks
and UltraFast is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Three-Terminal 3.3V, 3.6V, 5V and 12V
Output Current of 3A, 5A or 7.5A
Operates Down to 1V Dropout
Guaranteed Dropout Voltage at Multiple Current Levels
Line Regulation: 0.015%
Load Regulation: 0.1%
100% Thermal Limit Functional Test
Adjustable Versions Available
applicaTions
n
n
n
n
High Efficiency Linear Regulators
Post Regulators for Switching Supplies
Constant Current Regulators
Battery Chargers
DEVICE
LT1083
LT1084
LT1085
OUTPUT CURRENT*
7.5 Amps
5.0 Amps
3.0 Amps
*For a 1.5A low dropout regulator see the LT1086 data sheet.
Typical applicaTion
5V, 7.5A Regulator
INPUT/OUTPUT VOLTAGE DIFFERENTIAL (V)
2
Dropout Voltage vs Output Current
V
IN
≥ 6.5V
LT1083-5
5V AT 7.5A
+
10µF
+
22µF*
TANTALUM
LT1083/4/5 TA01
*REQUIRED FOR STABILITY
1
0
0
I
FULLLOAD
/2
OUTPUT CURRENT (A)
I
FULLLOAD
1083/4/5 TA02
1083ffe
For more information
www.linear.com/LT1083
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