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LMZ14202H bảng dữ liệu(PDF) 1 Page - Texas Instruments

tên linh kiện LMZ14202H
Giải thích chi tiết về linh kiện  LMZ14202H SIMPLE SWITCHER짰 6V to 42V, 2A High Output Voltage Power Module
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Trang chủ  http://www.ti.com
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LMZ14202H bảng dữ liệu(HTML) 1 Page - Texas Instruments

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OUTPUT CURRENT (A)
VIN = 15V
VIN = 24V
VIN = 30V
VIN = 36V
VIN = 42V
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LMZ14202H
SNVS691H – JANUARY 2011 – REVISED OCTOBER 2015
LMZ14202H SIMPLE SWITCHER® 6V to 42V, 2A High Output Voltage Power Module
1 Features
2 Applications
1
Integrated Shielded Inductor
Intermediate Bus Conversions to 12-V and 24-V
Rail
Simple PCB Layout
Time-Critical Projects
Flexible Start-Up Sequencing Using External Soft-
Start and Precision Enable
Space Constrained / High Thermal Requirement
Applications
Protection Against Inrush Currents
Negative Output Voltage Applications
Input UVLO and Output Short Circuit Protection
–40°C to 125°C Junction Temperature Range
3 Description
Single Exposed Pad and Standard Pinout for Easy
The
LMZ14202H
SIMPLE
SWITCHER®
power
Mounting and Manufacturing
module is an easy-to-use step-down DC-DC solution
Low Output Voltage Ripple
capable of driving up to 2-A load with exceptional
power conversion efficiency, line and load regulation,
Pin-to-Oin Compatible Family:
and output accuracy. The LMZ14202H is available in
LMZ14203H/2H/1H (42 V Maximum 3-A, 2-A,
an
innovative
package
that
enhances
thermal
1-A)
performance
and
allows
for
hand
or
machine
LMZ14203/2/1 (42 V Maximum 3-A, 2-A, 1-A)
soldering.
LMZ12003/2/1 (20 V Maximum 3-A, 2-A, 1-A)
The LMZ14202H can accept an input voltage rail
Fully Enabled for WEBENCH® Power Designer
between 6 V and 42 V and deliver an adjustable and
highly accurate output voltage as low as 5 V. The
Electrical Specifications
LMZ14202H only requires three external resistors
Up to 2-A Output Current
and four external capacitors to complete the power
Input Voltage Range 6 V to 42 V
solution. The LMZ14202H is a reliable and robust
design with the following protection features: thermal
Output Voltage as Low as 5 V
shutdown,
input
undervoltage
lockout,
output
Efficiency up to 97%
overvoltage protection, short-circuit protection, output
Performance Benefits
current limit, and allows start-up into a prebiased
High Efficiency Reduces System Heat
output.
A
single
resistor
adjusts
the
switching
frequency up to 1 MHz.
Generation
No Compensation Required
Device Information(1)(2)
Low Package Thermal Resistance
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Low Radiated EMI (EN 55022 Class B Tested)
LMZ14202H
TO-PMOD (7)
10.16 mm × 9.85 mm
NOTE:
EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007.
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
(2) Peak reflow temperature equals 245°C. See SNAA214 for
more details.
Simplified Application Schematic
Efficiency VOUT = 12 V TA = 25°C
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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