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LM2576TV-3.3G

Description
Switching Voltage Regulators 3.3V 3A Buck PWM
CategoryPower/power management    The power supply circuit   
File Size274KB,28 Pages
ManufacturerON Semiconductor
Websitehttp://www.onsemi.cn
Download Datasheet Parametric Compare View All

LM2576TV-3.3G Overview

Switching Voltage Regulators 3.3V 3A Buck PWM

LM2576TV-3.3G Parametric

Parameter NameAttribute value
Brand NameON Semiconductor
Is it lead-free?Lead free
Parts packaging codeSFM
package instructionTO-220, ZIP5,.15,.2,67TB
Contacts5
Manufacturer packaging code314B-05
Reach Compliance Codenot_compliant
ECCN codeEAR99
Factory Lead Time1 week
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
control modeVOLTAGE-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage40 V
Minimum input voltage6 V
Nominal input voltage12 V
JESD-30 codeR-PZFM-T5
JESD-609 codee3
Number of functions1
Number of terminals5
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Maximum output current7.5 A
Package body materialPLASTIC/EPOXY
encapsulated codeTO-220
Encapsulate equivalent codeZIP5,.15,.2,67TB
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
surface mountNO
Switch configurationBUCK
Maximum switching frequency63 kHz
technologyBIPOLAR
Temperature levelAUTOMOTIVE
Terminal surfaceTin (Sn)
Terminal formTHROUGH-HOLE
Terminal pitch1.7 mm
Terminal locationZIG-ZAG
Maximum time at peak reflow temperature40
Base Number Matches1
LM2576
3.0 A, 15 V, Step−Down
Switching Regulator
The LM2576 series of regulators are monolithic integrated circuits
ideally suited for easy and convenient design of a step−down
switching regulator (buck converter). All circuits of this series are
capable of driving a 3.0 A load with excellent line and load regulation.
These devices are available in fixed output voltages of 3.3 V, 5.0 V,
12 V, 15 V, and an adjustable output version.
These regulators were designed to minimize the number of external
components to simplify the power supply design. Standard series of
inductors optimized for use with the LM2576 are offered by several
different inductor manufacturers.
Since the LM2576 converter is a switch−mode power supply, its
efficiency is significantly higher in comparison with popular
three−terminal linear regulators, especially with higher input voltages.
In many cases, the power dissipated is so low that no heatsink is
required or its size could be reduced dramatically.
A standard series of inductors optimized for use with the LM2576
are available from several different manufacturers. This feature
greatly simplifies the design of switch−mode power supplies.
The LM2576 features include a guaranteed
±4%
tolerance on output
voltage within specified input voltages and output load conditions, and
±10%
on the oscillator frequency (±2% over 0°C to 125°C). External
shutdown is included, featuring 80
mA
(typical) standby current. The
output switch includes cycle−by−cycle current limiting, as well as
thermal shutdown for full protection under fault conditions.
Features
http://onsemi.com
1
5
TO−220
TV SUFFIX
CASE 314B
Heatsink surface connected to Pin 3
1
5
Pin
1.
2.
3.
4.
5.
TO−220
T SUFFIX
CASE 314D
3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions
Adjustable Version Output Voltage Range, 1.23 to 37 V
±4%
Maximum Over Line and Load Conditions
Guaranteed 3.0 A Output Current
Wide Input Voltage Range
Requires Only 4 External Components
52 kHz Fixed Frequency Internal Oscillator
TTL Shutdown Capability, Low Power Standby Mode
High Efficiency
Uses Readily Available Standard Inductors
Thermal Shutdown and Current Limit Protection
Moisture Sensitivity Level (MSL) Equals 1
Pb−Free Packages are Available
V
in
Output
Ground
Feedback
ON/OFF
1
5
D
2
PAK
D2T SUFFIX
CASE 936A
Heatsink surface (shown as terminal 6 in
case outline drawing) is connected to Pin 3
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 24 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 25 of this data sheet.
Applications
Simple High−Efficiency Step−Down (Buck) Regulator
Efficient Pre−Regulator for Linear Regulators
On−Card Switching Regulators
Positive to Negative Converter (Buck−Boost)
Negative Step−Up Converters
Power Supply for Battery Chargers
1
Publication Order Number:
LM2576/D
©
Semiconductor Components Industries, LLC, 2006
January, 2006 − Rev. 8

LM2576TV-3.3G Related Products

LM2576TV-3.3G LM2576T-15G
Description Switching Voltage Regulators 3.3V 3A Buck PWM Switching Voltage Regulators 15V 3A Buck PWM
Brand Name ON Semiconductor ON Semiconductor
Is it lead-free? Lead free Lead free
Parts packaging code SFM SFM
package instruction TO-220, ZIP5,.15,.2,67TB TO-220, SIP5,.1,67TB
Contacts 5 5
Manufacturer packaging code 314B-05 314D-04
Reach Compliance Code not_compliant not_compliant
ECCN code EAR99 EAR99
Factory Lead Time 1 week 1 week
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