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LT3465AES6#TRMPBF

Description
IC LED DRIVER RGLTR DIM TSOT23-5
CategoryPower/power management    The power supply circuit   
File Size317KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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LT3465AES6#TRMPBF Overview

IC LED DRIVER RGLTR DIM TSOT23-5

LT3465AES6#TRMPBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeSOT
package instructionVSSOP,
Contacts6
Manufacturer packaging codeS6
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage16 V
Minimum input voltage2.7 V
Nominal input voltage3 V
JESD-30 codeR-PDSO-G6
JESD-609 codee3
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output current0.34 A
Package body materialPLASTIC/EPOXY
encapsulated codeVSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1 mm
surface mountYES
Switch configurationBOOST
Maximum switching frequency2800 kHz
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width1.625 mm
LT3465/LT3465A
1.2MHz/2.4MHz White
LED Drivers with Built-in
Schottky in ThinSOT
FEATURES
DESCRIPTIO
Inherently Matched LED Current
Drives Up to Six LEDs from a 3.6V Supply
No External Schottky Diode Required
1.2MHz Switching Frequency (LT3465)
2.4MHz Switching Frequency Above AM Broadcast
Band (LT3465A)
V
IN
Range: 2.7V to 16V
V
OUT(MAX)
= 30V
Automatic Soft-Start (LT3465)
Open LED Protection
High Efficiency: 81% (LT3465) 79% (LT3465A)
Typical
Requires Only 0.22µF Output Capacitor
Low Profile (1mm) SOT-23
The LT
®
3465/LT3465A are step-up DC/DC converters
designed to drive up to six LEDs in series from a Li-Ion cell.
Series connection of the LEDs provides identical LED
currents and eliminates the need for ballast resistors.
These devices integrate the Schottky diode required exter-
nally on competing devices. Additional features include
output voltage limiting when LEDs are disconnected, one-
pin shutdown and dimming control. The LT3465 has
internal soft-start.
The LT3465 switches at 1.2MHz, allowing the use of tiny
external components. The faster LT3465A switches at
2.4MHz. Constant frequency switching results in low input
noise and a small output capacitor. Just 0.22µF is required
for 3-, 4- or 5-LED applications.
The LT3465 and LT3465A are available in the low profile
(1mm) 6-lead SOT-23 (ThinSOT
TM
) package.
, LTC and LT are registered trademarks of Linear Technology Corporation. ThinSOT is a
trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
APPLICATIO S
Cellular Phones
PDAs, Handheld Computers
Digital Cameras
MP3 Players
GPS Receivers
TYPICAL APPLICATIO
L1
22µH
3V TO 5V
Conversion Efficiency
V
IN
= 3.6V
80 4 LEDs
78
EFFICIENCY (%)
SW
V
IN
SHUTDOWN
AND DIMMING
CONTROL
C1
1µF
LT3465/
LT3465A
FB
CTRL
GND
C2
0.22µF
10Ω
3465A F01a
82
V
OUT
76
74
72
70
68
66
64
62
60
0
5
10
LED CURRENT (mA)
3465A F01b
C1, C2: X5R OR X7R DIELECTRIC
L1: MURATA LQH32CN220
Figure 1. Li-Ion Powered Driver for Four White LEDs
U
LT3465
LT3465A
15
20
3465afa
U
U
1

LT3465AES6#TRMPBF Related Products

LT3465AES6#TRMPBF LT3465AES6#TRM LT3465ES6#TRMPBF LT3465ES6#PBF
Description IC LED DRIVER RGLTR DIM TSOT23-5 IC led drivr white bcklgt tsot-6 IC LED DRIVER RGLTR DIM TSOT23-5
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? conform to incompatible conform to conform to
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code SOT SOT SOT SOT
package instruction VSSOP, VSSOP, VSSOP, VSSOP,
Contacts 6 6 6 6
Manufacturer packaging code S6 S6 S6 S6
Reach Compliance Code compliant _compli compliant compliant
ECCN code EAR99 EAR99 EAR99 EAR99
Analog Integrated Circuits - Other Types SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR SWITCHING REGULATOR
control mode CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 16 V 16 V 16 V 16 V
Minimum input voltage 2.7 V 2.7 V 2.7 V 2.7 V
Nominal input voltage 3 V 3 V 3 V 3 V
JESD-30 code R-PDSO-G6 R-PDSO-G6 R-PDSO-G6 R-PDSO-G6
JESD-609 code e3 e0 e3 e3
length 2.9 mm 2.9 mm 2.9 mm 2.9 mm
Humidity sensitivity level 1 1 1 1
Number of functions 1 1 1 1
Number of terminals 6 6 6 6
Maximum operating temperature 70 °C 70 °C 70 °C 70 °C
Maximum output current 0.34 A 0.34 A 0.34 A 0.34 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code VSSOP VSSOP VSSOP VSSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 255 260 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1 mm 1 mm 1 mm 1 mm
surface mount YES YES YES YES
Switch configuration BOOST BOOST BOOST BOOST
Maximum switching frequency 2800 kHz 2800 kHz 1600 kHz 1600 kHz
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Matte Tin (Sn) Tin/Lead (Sn/Pb) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.95 mm 0.95 mm 0.95 mm 0.95 mm
Terminal location DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 40 30 30
width 1.625 mm 1.625 mm 1.625 mm 1.625 mm
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