LMZ12003 Module Datasheet

LMZ12003 Datasheet PDF, Equivalent


Part Number

LMZ12003

Description

Power Module

Manufacture

etcTI

Total Page 28 Pages
Datasheet
Download LMZ12003 Datasheet


LMZ12003
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
LMZ12003
SNVS636O – DECEMBER 2009 – REVISED AUGUST 2015
LMZ12003 3-A Simple Switcher® Power Module with 20-V Maximum Input Voltage
1 Features
1 Integrated Shielded Inductor
• Simple PCB Layout
• Flexible Start-up Sequencing Using External Soft-
start Capacitor 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
• Fast Transient Response for FPGAs and ASICs
• Low Output Voltage Ripple
• Pin-to-Pin Compatible With Devices:
– LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A)
– LMZ12003/2/1 (20-V Maximum 3 A, 2 A, 1 A)
• Fully WEBENCH® Power Designer Enabled
• Electrical Specifications
– 18-W Maximum Total Power Output
– Up to 3-A Output Current
– Input Voltage Range 4.5 V to 20 V
– Output Voltage Range 0.8 V to 6 V
– Efficiency up to 92%
• Performance Benefits
– Operates at High Ambient Temperature With
No Thermal Derating
– High Efficiency Reduces System Heat
Generation
– Low Radiated Emissions (EMI) Tested to
EN55022 Class B Standard
– Passes 10-V/m Radiated Immunity EMI Test
Standard EN61000 4-3
2 Applications
• Point-of-load Conversions from 5-V and 12-V
Input Rail
• Time-Critical Projects
• Space-Constrained High Thermal Requirement
Applications
• Negative Output Voltage Applications
(See AN-2027) SNVA425
3 Description
The LMZ12003 SIMPLE SWITCHER® power module
is an easy-to-use step-down DC-DC solution capable
of driving up to 3-A load with exceptional power
conversion efficiency, line and load regulation, and
output accuracy. The LMZ12003 is available in an
innovative package that enhances thermal
performance and allows for hand or machine
soldering.
The LMZ12003 can accept an input voltage rail
between 4.5 V and 20 V and can deliver an
adjustable and highly accurate output voltage as low
as 0.8 V. The LMZ12003 only requires three external
resistors and four external capacitors to complete the
power solution. The LMZ12003 is a reliable and
robust design with the following protection features:
thermal shutdown, input undervoltage lockout, output
overvoltage protection, short circuit protection, output
current limit, and this device allows start-up into a
prebiased output. A single resistor adjusts the
switching frequency up to 1 MHz.
Device Information(1)(2)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LMZ12003
NDW (7)
9.85 mm × 10.16 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
LMZ12003
VIN
RON
See Table
Enable
CIN
10 2F
CSS
0.022 2F
CFF 0.022 2F
RFBT
See Table
RFBB
See Table
VOUT @ 3A
100 2F
Efficiency 12-V Input at 25°C
100
95
90
85
80
75
70
65
60
55
25° C
50
0 0.5
1 1.5 2
5.0
3.3
2.5
1.8
1.5
1.2
0.8
2.5 3
OUTPUT CURRENT(A)
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.

LMZ12003
LMZ12003
SNVS636O – DECEMBER 2009 – REVISED AUGUST 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 3
6.1 Absolute Maximum Ratings ..................................... 3
6.2 ESD Ratings.............................................................. 3
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 4
6.6 Typical Characteristics ............................................. 6
7 Detailed Description .............................................. 9
7.1 Overview ................................................................... 9
7.2 Functional Block Diagram ......................................... 9
7.3 Feature Description................................................... 9
7.4 Device Functional Modes........................................ 10
8 Application and Implementation ........................ 11
8.1 Application Information............................................ 11
8.2 Typical Application ................................................. 11
9 Power Supply Recommendations...................... 17
10 Layout................................................................... 17
10.1 Layout Guidelines ................................................. 17
10.2 Layout Examples................................................... 18
10.3 Power Dissipation and Thermal Considerations ... 19
10.4 Power Module SMT Guidelines ............................ 20
11 Device and Documentation Support ................. 21
11.1 Device Support...................................................... 21
11.2 Documentation Support ........................................ 21
11.3 Community Resources.......................................... 21
11.4 Trademarks ........................................................... 21
11.5 Electrostatic Discharge Caution ............................ 21
11.6 Glossary ................................................................ 21
12 Mechanical, Packaging, and Orderable
Information ........................................................... 22
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision N (October 2013) to Revision O
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section. ................................................................................................ 1
Changes from Revision M (March 2013) to Revision N
Page
• Deleted 12 mils....................................................................................................................................................................... 4
• Changed 10 mils................................................................................................................................................................... 17
• Changed 10 mils................................................................................................................................................................... 20
• Added Power Module SMT Guidelines................................................................................................................................. 20
2 Submit Documentation Feedback
Product Folder Links: LMZ12003
Copyright © 2009–2015, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMZ12003 SNVS636O – DECEMB ER 2009 – REVISED AUGUST 2015 LMZ1200 3 3-A Simple Switcher® Power Module wi th 20-V Maximum Input Voltage 1 Featur es •1 Integrated Shielded Inductor Simple PCB Layout • Flexible Start- up Sequencing Using External Soft- star t Capacitor and Precision Enable • Pr otection Against Inrush Currents and Fa ults such as Input UVLO and Output Shor t Circuit • Junction Temperature Rang e –40°C to 125°C • Single Exposed Pad and Standard Pinout for Easy Mount ing and Manufacturing • Fast Transien t Response for FPGAs and ASICs • Low Output Voltage Ripple • Pin-to-Pin Co mpatible With Devices: – LMZ14203/2/1 (42-V Maximum 3 A, 2 A, 1 A) – LMZ12 003/2/1 (20-V Maximum 3 A, 2 A, 1 A) Fully WEBENCH® Power Designer Enable d • Electrical Specifications – 18- W Maximum Total Power Output – Up to 3-A Output Current – Input Voltage Range 4.5 V to 20 V – Output Voltage Range 0.8 V to 6 V – Efficiency.
Keywords LMZ12003, datasheet, pdf, etcTI, Power, Module, MZ12003, Z12003, 12003, LMZ1200, LMZ120, LMZ12, Equivalent, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute




@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)