LTC4411ES5#TRMPBF Linear Technology, LTC4411ES5#TRMPBF Datasheet

IC IDEAL DIODE LOW LOSS TSOT23-5

LTC4411ES5#TRMPBF

Manufacturer Part Number
LTC4411ES5#TRMPBF
Description
IC IDEAL DIODE LOW LOSS TSOT23-5
Manufacturer
Linear Technology
Datasheet

Specifications of LTC4411ES5#TRMPBF

Applications
Handheld/Mobile Devices
Fet Type
P-Channel
Number Of Outputs
1
Internal Switch(s)
Yes
Delay Time - On
1.2µs
Delay Time - Off
1.1µs
Voltage - Supply
2.6 V ~ 5.5 V
Current - Supply
40µA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
TSOT-23-5, TSOT-5, TSOP-5
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LTC4411ES5#PBF
LTC4411ES5#PBF
LTC4411ES5#TRMPBF
LTC4411ES5#TRMPBFTR

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0
FEATURES
APPLICATIO S
TYPICAL APPLICATIO
Low Loss Replacement for PowerPath
OR’ing Diodes
Small Regulated Forward Voltage (28mV)
2.6A Maximum Forward Current
Low Forward ON Resistance (140mΩ Max)
Low Reverse Leakage Current (<1µA)
2.6V to 5.5V Operating Range
Internal Current Limit Protection
Internal Thermal Protection
No External Active Components
Pin-Compatible Monolithic Replacement
for the LTC4412
Low Quiescent Current (40µA)
Low-Profile (1mm) 5-lead SOT-23 Package
Cellular Phones
Handheld Computers
Digital Cameras
USB Peripherals
Uninterrupted Supplies
Logic Controlled Power Switch
BATTERY
ADAPTER
CELL(S)
INPUT
WALL
Figure 1. Automatic Switchover of Load
Between a Battery and a Wall Adapter
IN
GND
CTL
U
LTC4411
STAT
OUT
U
4.7µF
V
CC
470k
TM
STATUS OUTPUT
IS LOW WHEN WALL
ADAPTER IS SUPPLYING
LOAD CURRENT
TO
LOAD
4411 F01
DESCRIPTIO
The LTC
to 2.6A from an input voltage between 2.6V and 5.5V. The
LTC4411 is housed in a 5-lead 1mm profile SOT-23
package.
The LTC4411 contains a 140mΩ P-channel MOSFET con-
necting IN to OUT. During normal forward operation, the
drop across the MOSFET is regulated to as low as 28mV.
Quiescent current is less than 40µA for load currents up to
100mA. If the output voltage exceeds the input voltage, the
MOSFET is turned off and less than 1µA of reverse current
flows from OUT to IN. Maximum forward current is limited
to a constant 2.6A (typical) and internal thermal limiting cir-
cuits protect the part during fault conditions.
An open-drain STAT pin indicates conduction status. The
STAT pin can be used to drive an auxiliary P-channel
MOSFET power switch connecting an alternate power
source when the LTC4411 is not conducting forward
current.
An active-high control pin turns off the LTC4411 and
reduces current consumption to less than 25µA. When
shut off, the LTC4411 indicates this condition with a low
voltage on the status signal.
PowerPath are trademarks of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
, LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT and
Ideal Diode in ThinSOT
®
4411 is an ideal diode IC, capable of supplying up
I
I
MAX
FWD
I
OC
V
FWD
LTC4411
U
Forward Voltage Characteristics
SLOPE
1/R
LTC4411 vs Schottky Diode
FWD
FORWARD VOLTAGE (V)
2.6A Low Loss
SLOPE
1/R
ON
SCHOTTKY
DIODE
LTC4411
CONSTANT I
CONSTANT
CONSTANT
V
R
ON
ON
LTC4411 FO1b
ON
4411fa
1
TM

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LTC4411ES5#TRMPBF Summary of contents

Page 1

... When shut off, the LTC4411 indicates this condition with a low voltage on the status signal. , LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT and PowerPath are trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. ...

Page 2

LTC4411 ABSOLUTE AXI U RATI GS (Note 1) IN, OUT, STAT, CTL Voltage .......................... –0 Operating Ambient Temperature Range (Note 2) ...............................................–40°C to 85°C Operating Junction Temperature (Note 3) .............................................–40°C to 125°C Storage Temperature Range ...

Page 3

ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: The LTC4411E is guaranteed to meet performance specifications from 0°C to ...

Page 4

LTC4411 W U TYPICAL PERFOR A CE CHARACTERISTICS FWD SUPPLY 0.150 T = –40° 80° 0° 120° 40°C A 0.125 0.100 0.075 0.050 2.5 3.0 ...

Page 5

W BLOCK DIAGRA GND V REF CTL 3 V 3µ OPERATIO The LTC4411 operation is described with the aid of Figure 3. Forward regulation for the LTC4411 has three operation modes depending on the magnitude ...

Page 6

LTC4411 U OPERATIO When the load current exceeds I condition is detected and the LTC4411 will limit the output current. This will cause the output voltage to drop as the load current exceeds the amount of current that the LTC4411 ...

Page 7

... When a wall adapter input is applied, both LTC4411s Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

Page 8

... LOGIC CTL STAT INPUT C : C0805C105K8PAC C1206C475K8PAC 4411 F08 OUT 2.90 BSC (NOTE 4) 0.30 – 0.45 TYP 5 PLCS (NOTE 3) 0.01 – 0.10 1.90 BSC S5 TSOT-23 0302 ≤ 36V (LTC4412HV) IN LT/LT 0305 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2003 4411fa ...

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