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LTC3863EDE#PBF

Description
IC REG CTRLR BUCK 12DFN
CategoryPower/power management    The power supply circuit   
File Size490KB,6 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric View All

LTC3863EDE#PBF Overview

IC REG CTRLR BUCK 12DFN

LTC3863EDE#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeDFN
package instructionHVSON, SOLCC12,.12,20
Contacts12
Manufacturer packaging codeDE/UE
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresOPERATES IN ADJUSTABLE OUTPUT MODE FROM -0.4V TO -150V
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage60 V
Minimum input voltage3.5 V
Nominal input voltage12 V
JESD-30 codeR-PDSO-N12
JESD-609 codee3
length4 mm
Humidity sensitivity level1
Number of functions1
Number of terminals12
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC12,.12,20
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height0.8 mm
surface mountYES
Switch configurationBUCK-BOOST
Maximum switching frequency850 kHz
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
Base Number Matches1
DEMO MANUAL DC1737A
LTC3863
Low I
Q
Inverting
DC/DC Converter
DESCRIPTION
Demonstration circuit 1737A is a current-mode inverting
DC/DC converter featuring the
LTC
®
3863.
The board operates from an input range of 4.5V to 16V,
and provides a –5.2V, 1.7A output or a –12V, 1A output
(jumper selectable). It operates at 400kHz and may be
synchronized to an external clock. A soft-start feature
controls output voltage slew rate at start-up, reducing
current surge and voltage overshoot. Burst Mode
®
opera-
tion that improves efficiency at light loads can be enabled
with a jumper. A power good output signal is provided.
The demonstration board has options for larger MOSFET
and diode packages on the back of the board for higher
output current requirements.
This board is suitable for a wide range of automotive,
telecom, industrial, and other applications. The LTC3863
is available in small 12-pin thermally enhanced MSOP and
DFN Packages. For other output requirements, see the
LTC3863 data sheet or contact the LTC factory.
Design files for this circuit board are available at
http://www.linear.com/demo
L,
LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks
of Linear Technology Corporation. All other trademarks are the property of their respective
owners.
PERFORMANCE SUMMARY
SYMBOL
V
IN
V
OUT
I
OUT
f
SW
V
OUT P-P
V
REG
P
OUT
/P
IN
PARAMETER
Input Supply Range
Output Voltage
Output Current Range, Continuous
Switching (Clock) Frequency
Output Ripple
Output Regulation
Efficiency (See Figure 3)
Approximate Size
Free Air
Specifications are at T
A
= 25°C
MIN
4.5
–5.2V/–12V
0
400
30
±0.1
89.3
0.9
×
0.8
×
0.18
–1.7/1.0
TYP
MAX
16
UNITS
V
V
A
kHz
mV
P-P
%
%
Inches
CONDITIONS
V
IN
= 12V, V
OUT
= –12V, I
OUT
= 1A (20MHz BW)
Line and Load (4.5V
IN
to 16V
IN
, –12V
OUT
, 0A to 1A Out)
V
IN
= 12V, V
OUT
= –12V, I
OUT
= 1A
Component Area
×
Top Component Height
dc1737af
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