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LTC4413EDD

Description
Dual 2.6A, 2.5V to 5.5V, Ideal Diodes in 3mm 3mm DFN
CategoryAnalog mixed-signal IC    The signal circuit   
File Size154KB,12 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC4413EDD Overview

Dual 2.6A, 2.5V to 5.5V, Ideal Diodes in 3mm 3mm DFN

LTC4413EDD Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeDFN
package instruction3 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WEED-2, DFN-10
Contacts10
Manufacturer packaging codeDD
Reach Compliance Code_compli
ECCN codeEAR99
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeS-PDSO-N10
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals10
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC10,.11,20
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)235
power supply3/5 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.5 V
Nominal supply voltage (Vsup)3.6 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3 mm
LTC4413
Dual 2.6A, 2.5V to 5.5V,
Ideal Diodes in 3mm
×
3mm DFN
FEATURES
DESCRIPTIO
2-Channel Ideal Diode ORing or Load Sharing
Low Loss Replacement for ORing Diodes
Low Forward ON Resistance (100mΩ Max at 3.6V)
Low Reverse Leakage Current (1µA Max)
Small Regulated Forward Voltage (28mV Typ)
2.5V to 5.5V Operating Range
2.6A Maximum Forward Current
Internal Current Limit and Thermal Protection
Slow Turn-Off to Protect Against Inductive Source
Impedance-Induced Voltage Spiking
Low Quiescent Current
Status Output to Indicate if Selected Channel is
Conducting
Programmable Channel ON/OFF
Low Profile (0.75mm) 10-Lead 3mm
×
3mm DFN
Package
The LTC
®
4413 contains two monolithic ideal diodes, each
capable of supplying up to 2.6A from input voltages be-
tween 2.5V and 5.5V. Each ideal diode uses a 100mΩ
P-channel MOSFET that independently connects INA to
OUTA and INB to OUTB. During normal forward operation
the voltage drop across each of these diodes is regulated
to as low as 28mV. Quiescent current is less than 40µA for
diode currents up to 1A. If either of the output voltages
exceeds its respective input voltages, that MOSFET is turned
off and less than 1µA of reverse current will flow from OUT
to IN. Maximum forward current in each MOSFET is lim-
ited to a constant 2.6A and internal thermal limiting cir-
cuits protect the part during fault conditions.
Two active-high control pins independently turn off the
two ideal diodes contained within the LTC4413, control-
ling the operation mode as described by Table 3. When the
selected channel is reverse biased, or the LTC4413 is put
into low power standby, a status signal indicates this con-
dition with a low voltage.
A 9µA open-drain STAT pin is used to indicate conduction
status. When terminated to a positive supply through a 470k
resistor, the STAT pin can be used to indicate that the se-
lected diode is conducting with a HIGH voltage. This signal
can also be used to drive an auxiliary P-channel MOSFET
power switch to control a third alternate power source when
the LTC4413 is not conducting forward current.
The LTC4413 is housed in a 10-lead DFN package.
APPLICATIO S
Battery and Wall Adapter Diode ORing in Handheld
Products
Backup Battery Diode ORing
Power Switching
USB Peripherals
Uninterruptable Supplies
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATIO
ENBA
GND
ENBB
WALL
ADAPTER
(0V TO 5.5V)
INB
10µF
LTC4413 vs 1N5817 Schottky
2000
V
CC
LTC4413
STAT
OUTB
470k
STAT IS HIGH WHEN
BAT IS SUPPLYING
LOAD CURRENT
1500
I
OUT
(mA)
1000
1N5817
CONTROL CIRCUIT
INA
BAT
OUTA
4.7µF
4413 TA01
500
TO LOAD
0
0
100
200
V
FWD
(mV)
300
400
4413 TA01b
U
LTC4413
4413f
U
U
1

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