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LTC3833EFE#PBF

Description
IC REG CTRLR BUCK 20TSSOP
CategoryPower/power management    The power supply circuit   
File Size201KB,8 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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LTC3833EFE#PBF Overview

IC REG CTRLR BUCK 20TSSOP

LTC3833EFE#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeTSSOP
package instructionHTSSOP, TSSOP20,.25
Contacts20
Manufacturer packaging codeFE
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeCURRENT-MODE
Maximum input voltage38 V
Minimum input voltage4.5 V
Nominal input voltage15 V
JESD-30 codeR-PDSO-G20
JESD-609 codee3
length6.5 mm
Humidity sensitivity level1
Number of functions1
Number of terminals20
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Nominal output voltage5.3 V
Package body materialPLASTIC/EPOXY
encapsulated codeHTSSOP
Encapsulate equivalent codeTSSOP20,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)225
Certification statusNot Qualified
Maximum seat height1.2 mm
surface mountYES
Switch configurationPUSH-PULL
Maximum switching frequency2000 kHz
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width4.4 mm
DEMO MANUAL DC1516A
LTC3833EFE
Wide Input Range,
High Efficiency Step-Down
DC/DC Converter
Other features of the board include a MODE jumper to
program either DCM or CCM with light or no load, a PLLIN
input for synchronizing the converter to an external clock,
a TRACK/SS pin, a PGOOD pin and an EXTV
CC
pin.
The demo board uses a high density, two-sided drop-in
layout. The entire converter, excluding the bulk output and
input capacitors, fits within a compact 1.25"
×
0.5" area
on the board. The package style for the LTC3833EFE is a
20-lead TSSOP with an exposed ground pad.
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.
DESCRIPTION
Demonstration circuit 1516A is a 1.5V/15A synchronous
buck converter operating with a switching frequency of
300kHz over an input voltage range of 4.5V to 24V. The
demo board comes in two versions. The -A version uses
inductor DCR current sensing with an iron powder inductor
for highest efficiency. The -B version uses a 2.5mΩ/1%
sense resistor for accurate current sensing with a low
DCR ferrite inductor. The fixed on-time valley current
mode control of the LTC
®
3833 allows for a fast load step
response (see Figures 4 and 5). The load step response
can be tested with the on-board load step circuit and a
bench pulse generator.
PERFORMANCE SUMMARY
PARAMETER
Minimum Input Voltage
Maximum Input Voltage
Output Voltage
Switching Frequency
Efficiency
DCR SENSE Version (-A)
R
SENSE
Version (-B)
(T
A
= 0°C to 85°C)
VALUE
4.5V
24V
CONDITIONS/NOTES
I
OUT
= 0A to 15A
V
IN
= 12V, V
OUT
= 1.5V, I
OUT
= 15A
See Figures 2 and 3
1.5V ±2%
300kHz
89.4%
87.8%
dc1516af
1

LTC3833EFE#PBF Related Products

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Description IC REG CTRLR BUCK 20TSSOP board eval for ltc3833efe IC REG CTRLR BUCK 20TSSOP IC REG CTRLR BUCK 20TSSOP IC REG CTRLR BUCK 20QFN IC REG CTRLR BUCK 20TSSOP IC REG CTRLR BUCK 20QFN IC REG CTRLR BUCK 20QFN BOARD DEMO FOR LTC3833EFE Output current: - Switching operating frequency: 200kHz ~ 2MHz Output type: Transistor Driver Number of output voltage channels: 1 Function type: Step-Down Output configuration: Positive Fast, accurate, step-down DC/DC with differential output detection function controller
Brand Name Linear Technology - Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology - Linear Technology
Is it Rohs certified? conform to - conform to conform to conform to conform to conform to conform to - conform to
Maker Linear ( ADI ) - Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - - Linear ( ADI )
Parts packaging code TSSOP - TSSOP TSSOP QFN TSSOP QFN QFN - QFN
package instruction HTSSOP, TSSOP20,.25 - HTSSOP, TSSOP20,.25 HTSSOP, TSSOP20,.25 HVQCCN, LCC20,.12X.16,20 HTSSOP, TSSOP20,.25 HVQCCN, LCC20,.12X.16,20 HVQCCN, LCC20,.12X.16,20 - HVQCCN, LCC20,.12X.16,20
Contacts 20 - 20 20 20 20 20 20 - 20
Manufacturer packaging code FE - FE FE UDC FE UDC UDC - UDC
Reach Compliance Code compliant - compliant compliant compliant compliant compliant compliant - compliant
ECCN code EAR99 - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 - EAR99
Other features ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V - ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V - ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 5.5V
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER - SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER - SWITCHING CONTROLLER
control mode CURRENT-MODE - CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE CURRENT-MODE - CURRENT-MODE
Maximum input voltage 38 V - 38 V 38 V 38 V 38 V 38 V 38 V - 38 V
Minimum input voltage 4.5 V - 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V 4.5 V - 4.5 V
Nominal input voltage 15 V - 15 V 15 V 15 V 15 V 15 V 15 V - 15 V
JESD-30 code R-PDSO-G20 - R-PDSO-G20 R-PDSO-G20 R-PQCC-N20 R-PDSO-G20 R-PQCC-N20 R-PQCC-N20 - R-PQCC-N20
JESD-609 code e3 - e3 e3 e3 e3 e3 e3 - e3
length 6.5 mm - 6.5 mm 6.5 mm 4 mm 6.5 mm 4 mm 4 mm - 4 mm
Humidity sensitivity level 1 - 1 1 1 1 1 1 - 1
Number of functions 1 - 1 1 1 1 1 1 - 1
Number of terminals 20 - 20 20 20 20 20 20 - 20
Maximum operating temperature 125 °C - 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C - 125 °C
Minimum operating temperature -40 °C - -40 °C -40 °C -40 °C -40 °C -40 °C -40 °C - -40 °C
Nominal output voltage 5.3 V - 5.3 V 5.3 V 5.3 V 5.3 V 5.3 V 5.3 V - 5.3 V
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY
encapsulated code HTSSOP - HTSSOP HTSSOP HVQCCN HTSSOP HVQCCN HVQCCN - HVQCCN
Encapsulate equivalent code TSSOP20,.25 - TSSOP20,.25 TSSOP20,.25 LCC20,.12X.16,20 TSSOP20,.25 LCC20,.12X.16,20 LCC20,.12X.16,20 - LCC20,.12X.16,20
Package shape RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR
Package form SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH - SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE - CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 225 - 225 225 NOT SPECIFIED 225 NOT SPECIFIED 225 - 225
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified - Not Qualified
Maximum seat height 1.2 mm - 1.2 mm 1.2 mm 0.8 mm 1.2 mm 0.8 mm 0.8 mm - 0.8 mm
surface mount YES - YES YES YES YES YES YES - YES
Switch configuration PUSH-PULL - PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL - PUSH-PULL
Maximum switching frequency 2000 kHz - 2000 kHz 2000 kHz 2000 kHz 2000 kHz 2000 kHz 2000 kHz - 2000 kHz
technology CMOS - CMOS CMOS CMOS CMOS CMOS CMOS - CMOS
Temperature level AUTOMOTIVE - AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE - AUTOMOTIVE
Terminal surface Matte Tin (Sn) - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) - Matte Tin (Sn)
Terminal form GULL WING - GULL WING GULL WING NO LEAD GULL WING NO LEAD NO LEAD - NO LEAD
Terminal pitch 0.65 mm - 0.65 mm 0.65 mm 0.5 mm 0.65 mm 0.5 mm 0.5 mm - 0.5 mm
Terminal location DUAL - DUAL DUAL QUAD DUAL QUAD QUAD - QUAD
Maximum time at peak reflow temperature NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED
width 4.4 mm - 4.4 mm 4.4 mm 3 mm 4.4 mm 3 mm 3 mm - 3 mm
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