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LMZ12008 Datasheet(PDF) 1 Page - Texas Instruments

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Part # LMZ12008
Description  SIMPLE SWITCHER Power Module
Download  35 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LMZ12008 Datasheet(HTML) 1 Page - Texas Instruments

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VIN
CIN
3 x 10 PF
RFBT
CFF 4.7 nF (OPT)
See Table
CSS
0.47 PF
(OPT)
RFBB
See Table
COUT
2 x 330 PF
LMZ12008
VOUT
Enable
0
2
4
6
8
40
50
60
70
80
90
100
OUTPUT CURRENT (A)
6Vin
8Vin
10Vin
12Vin
16Vin
20Vin
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
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Community
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.
LMZ12008
SNVS716H – MARCH 2011 – REVISED FEBRUARY 2016
LMZ12008 8-A SIMPLE SWITCHER® Power Module With 20-V Maximum Input Voltage
1
1 Features
1
Integrated Shielded Inductor
Simple PCB Layout
Fixed Switching Frequency (350kHz)
Flexible Start-up Sequencing Using External Soft-
start, Tracking and Precision Enable
Protection Against Inrush Currents and Faults
such as Input UVLO and Output Short Circuit
Junction Temperature Range –40°C to 125°C
Single Exposed Pad and Standard Pinout for Easy
Mounting and Manufacturing
Fully Enabled for WEBENCH® Power Designer
Pin Compatible With LMZ22010/08/06,
LMZ12010/06, LMZ23610/08/06, and
LMZ13610/08/06
Electrical Specifications
40-W Maximum Total Output Power
Up to 8-A Output Current
Input Voltage Range 6 V to 20 V
Output Voltage Range 0.8 V to 6 V
Efficiency up to 92%
Performance Benefits
High Efficiency Reduces System Heat
Generation
Low Radiated Emissions (EMI) Tested to
EN55022
NOTE:
EN 55022:2006, +A1:2007, FCC Part 15 Subpart B,
tested on Evaluation Board with EMI configuration
Only 7 External Components
Low Output Voltage Ripple
No External Heat Sink Required
2 Applications
Point-of-load Conversions from 12-V Input Rail
Time-Critical Projects
Space Constrained / High Thermal Requirement
Applications
Negative Output Voltage Applications
See AN-2027 SNVA425.
3 Description
The LMZ12008 SIMPLE SWITCHER® power module
is an easy-to-use step-down DC-DC solution capable
of driving up to 8-A load. The LMZ12008 is available
in an innovative package that enhances thermal
performance
and
allows
for
hand
or
machine
soldering.
The LMZ12008 can accept an input voltage rail
between 6 V and 20 V and can deliver an adjustable
and highly accurate output voltage as low as 0.8 V.
The LMZ12008 only requires two external resistors
and external capacitors to complete the power
solution. The LMZ12008 is a reliable and robust
design with the following protection features: thermal
shutdown, programmable input undervoltage lockout,
output overvoltage protection, short circuit protection,
output current limit, and the device allows start-up
into a prebiased output.
Device Information(1)(2)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LMZ12008
NDY (11)
15.00 mm × 15.00 mm
(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 3.3-V Output at 25°C


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