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LTC3400ES6-1#TRPBF

Description
LTC3400-1 - 600mA, 1.2MHz Micropower Synchronous Boost Converter in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C
CategoryPower/power management    The power supply circuit   
File Size216KB,12 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC3400ES6-1#TRPBF Overview

LTC3400-1 - 600mA, 1.2MHz Micropower Synchronous Boost Converter in ThinSOT; Package: SOT; Pins: 6; Temperature Range: -40°C to 85°C

LTC3400ES6-1#TRPBF 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
Nominal input voltage1.2 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 current0.85 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 frequency1500 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
LTC3400/LTC3400B
600mA, 1.2MHz Micropower
Synchronous Boost Converter
in ThinSOT
FEATURES
s
s
s
s
s
s
s
s
s
s
s
s
DESCRIPTIO
Up to 92% Efficiency
Generates 3.3V at 100mA from a Single AA Cell
Low Start-Up Voltage: 0.85V
1.2MHz Fixed Frequency Switching
Internal Synchronous Rectifier
2.5V to 5V Output Range
Automatic Burst Mode
®
Operation (LTC3400)
Continuous Switching at Light Loads (LTC3400B)
Logic Controlled Shutdown (< 1µA)
Antiringing Control Minimizes EMI
Tiny External Components
Low Profile (1mm) SOT-23 Package
The LTC
®
3400/LTC3400B are synchronous, fixed fre-
quency, step-up DC/DC converters delivering high effi-
ciency in a 6-lead ThinSOT™ package. Capable of supplying
3.3V at 100mA from a single AA cell input, the devices
contain an internal NMOS switch and PMOS synchronous
rectifier.
A switching frequency of 1.2MHz minimizes solution
footprint by allowing the use of tiny, low profile inductors
and ceramic capacitors. The current mode PWM design is
internally compensated, reducing external parts count.
The LTC3400 features automatic shifting to power saving
Burst Mode operation at light loads, while the LTC3400B
features continuous switching at light loads. Antiringing
control circuitry reduces EMI concerns by damping the
inductor in discontinuous mode, and the devices feature
low shutdown current of under 1µA.
Both devices are available in the low profile (1mm)
SOT-23 package.
, LTC, LT and Burst Mode are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
s
s
s
Pagers
MP3 Players
Digital Cameras
LCD Bias Supplies
Handheld Instruments
Wireless Handsets
GPS Receivers
TYPICAL APPLICATIO
L1
4.7µH
100
+
SINGLE
AA CELL
C1
4.7µF
1
6
SW
V
IN
V
OUT
5
R1
1.02M
1%
R2
604k
1%
V
OUT
3.3V
100mA
C2
4.7µF
90
EFFICIENCY (%)
80
70
60
50
FIGURE 1 CIRCUIT
WITH OPTIONAL SCHOTTKY DIODE
(SEE APPLICATIONS INFORMATION)
1
10
100
LOAD CURRENT (mA)
1000
3400 F01a
LTC3400
OFF ON
4
SHDN
GND
2
C1, C2: TAIYO-YUDEN X5R EMK316BJ475ML
L1: COILCRAFT DO160C-472
FB
3
3400 F01
40
0.1
Figure 1. Single Cell to 3.3V Synchronous Boost Converter
U
Efficiency
V
IN
= 2.4V
V
IN
= 1.5V
3400fa
U
U
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