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LMZ23603TZ 데이터시트(PDF) 1 Page - Texas Instruments

부품명 LMZ23603TZ
상세설명  3A SIMPLE SWITCHER Power Module
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3
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OUTPUT CURRENT (A)
9 VIn
12 Vin
20 Vin
24 Vin
30 Vin
36 Vin
VIN
CIN
22 2F
Enable
RFBT
See Table
CSS
0.47 2F
RFBB
See Table
Co
220 2F
LMZ23603
VOUT @ 3A
Product
Folder
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Buy
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LMZ23603
SNVS711J – MARCH 2011 – REVISED AUGUST 2015
LMZ23603 3-A SIMPLE SWITCHER® Power Module With 36-V Maximum Input Voltage
1
1 Features
Integrated Shielded Inductor
2 Applications
Simple PCB Layout
Point-of-load Conversions from 12-V and 24-V
Input Rail
Frequency Synchronization Input (650 kHz to 950
kHz)
Time-Critical Projects
Flexible Startup Sequencing Using External Soft-
Space Constrained and High Thermal
start, Tracking and Precision Enable
Requirement Applications
Protection Against Inrush Currents and Faults
Negative Output Voltage Applications (See AN-
Such as Input UVLO and Output Short Circuit
2027, SNVA425)
Junction Temperature Range –40°C to 125°C
3 Description
Single Exposed Pad and Standard Pinout for Easy
The LMZ23603 SIMPLE SWITCHER® power module
Mounting and Manufacturing
is an easy-to-use step-down DC-DC solution capable
Fast Transient Response for Powering FPGAs
of driving up to 3-A load. The LMZ23603 is available
and ASICs
in an innovative package that enhances thermal
Fully Enabled for WEBENCH® Power Designer
performance
and
allows
for
hand
or
machine
soldering.
Pin Compatible With
LMZ22005/LMZ23605/LMZ22003
The LMZ23603 can accept an input voltage rail
Performance Benefits
between 6 V and 36 V and deliver an adjustable and
highly accurate output voltage as low as 0.8 V. The
High Efficiency Reduces System Heat
LMZ23603 only requires two external resistors and
Generation
three external capacitors to complete the power
Tested to EN55022 Class B
solution. The LMZ23603 is a reliable and robust
See AN-2125 (SNVA473) and layout for
design with the following protection features: thermal
shutdown, programmable input undervoltage lockout,
information on device under test.
output overvoltage protection, short circuit protection,
VIN = 24 V, VO = 3.3 V, IO = 3 A
output current limit, and allows start-up into a
NOTE:
EN 55022:2006, +A1:2007, FCC Part 15 Subpart B: 2007.
prebiased
output.
The
sync
input
allows
synchronization
over
the
650-kHz
to
950-kHz
Low component count, only 5 external
switching frequency range.
components
Low output voltage ripple
Device Information(1)(2)
Uses PCB as heat sink, no airflow required
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Electrical Specifications
LMZ23603
NDW (7)
10.16 mm × 9.85 mm
18-W maximum total output power
(1) For all available packages, see the orderable addendum at
Up to 3-A output current
the end of the data sheet.
(2) Peak reflow temperature equals 245°C. See SNAA214 for
Input voltage range 6 V to 36 V
more details.
Output voltage range 0.8 V to 6 V
Efficiency up to 92%
Simplified Application Schematic
Efficiency 5-V Output at 25°C Ambient
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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