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LTM8021IV#PBF

Description
DC DC CONVERTER 0.8-5V 500MA
CategoryPower/power management    The power supply circuit   
File Size145KB,6 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Download Datasheet Parametric Compare View All

LTM8021IV#PBF Overview

DC DC CONVERTER 0.8-5V 500MA

LTM8021IV#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
Parts packaging codeLGA
package instructionLGA, LGA35,5X8,50
Contacts35
Manufacturer packaging codeLGA
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 5V
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeCURRENT-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage36 V
Minimum input voltage3 V
Nominal input voltage10 V
JESD-30 codeR-PBGA-N35
JESD-609 codee4
length11.25 mm
Humidity sensitivity level3
Number of functions1
Number of terminals35
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Maximum output current0.5 A
Package body materialPLASTIC/EPOXY
encapsulated codeLGA
Encapsulate equivalent codeLGA35,5X8,50
Package shapeRECTANGULAR
Package formGRID ARRAY
Peak Reflow Temperature (Celsius)245
Certification statusNot Qualified
Maximum seat height2.92 mm
surface mountYES
Switch configurationBUCK
Maximum switching frequency1300 kHz
Temperature levelAUTOMOTIVE
Terminal surfaceGold (Au)
Terminal formNO LEAD
Terminal pitch1.27 mm
Terminal locationBOTTOM
Maximum time at peak reflow temperature30
width6.25 mm
Base Number Matches1
DEMO MANUAL DC1238B
LTM8021
36V, 500mA Step-Down
µModule Regulator
DESCRIPTION
Demonstration circuit 1238B features the LTM
®
8021, a
36V 500mA step-down μModule
®
regulator. The output has
been preset to 5V by a single resistor within the LTM8021’s
output voltage range of 0.8V to 5V. An adjustable soft-start
period may be implemented with the addition of a capaci-
tor at C3. The input voltage range is from 7.5V to 36V for
the default operating conditions. The LTM8021 may need
more input voltage to start up than to run in steady state.
The data sheet gives a complete description of the part,
operation and applications information. The LTM8021 data
sheet must be read in conjunction with this demo manual
prior to working on or modifying demo circuit DC1238B.
Design files for this circuit board are available at
http://www.linear.com/demo
L,
LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of
Linear Technology Corporation. All other trademarks are the property of their respective owners.
PERFORMANCE SUMMARY
PARAMETER
Input Voltage Range
Output Voltage
Maximum Continuous Output Current
Switching Frequency
(T
A
= 25°C)
CONDITIONS
V
OUT
= 5V
V
IN
= 12V, I
LOAD
= 500mA, R1 = 19.1k
VALUE
7.5V to 36V
5V ±3%
500mA
1.1MHz
BOARD PHOTO
dc1238bf
1

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