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LMZ12003 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
No. de pieza LMZ12003
Descripción Electrónicos  3A SIMPLE SWITCHER짰 Power Module with 20V Maximum Input Voltage
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

LMZ12003 Datasheet(HTML) 1 Page - National Semiconductor (TI)

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LMZ12003
June 10, 2010
3A SIMPLE SWITCHER® Power Module with 20V Maximum
Input Voltage
Easy to use 7 pin package
30109086
TO-PMOD 7 Pin Package
10.16 x 13.77 x 4.57 mm (0.4 x 0.542 x 0.18 in)
θ
JA = 20°C/W, θJC = 1.9°C/W
RoHS Compliant
Electrical Specifications
18W maximum total power output
Up to 3A output current
Input voltage range 4.5V to 20V
Output voltage range 0.8V to 6V
Efficiency up to 92%
Key Features
Integrated shielded inductor
Simple PCB layout
Flexible startup sequencing using external soft-start
capacitor and precision enable
Protection against inrush currents and faults such as input
UVLO and output short circuit
-40°C to 125°C junction temperature range
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 family:
LMZ14203/2/1 (42V max 3A, 2A, 1A)
LMZ12003/2/1 (20V max 3A, 2A, 1A)
Fully Webench® Power Designer enabled
Applications
Point of load conversions from 5V and 12V input rail
Time critical projects
Space constrained high thermal requirement applications
Negative output voltage applications (See AN-2027)
Performance Benefits
Operates at high ambient temperature with no thermal
derating
High efficiency reduces system heat generation
Low radiated emissions (EMI) complies with EN55022
class B standard
Passes 10V/m radiated immunity EMI test standard
EN61000 4-3
System Performance
Efficiency V
IN = 12V VOUT = 5.0V
30109018
Thermal derating curve
V
IN = 12V VOUT = 5.0V
30109019
Radiated Emissions (EN 55022 Class B)
from Evaluation Board
30109050
© 2010 National Semiconductor Corporation
301090
www.national.com


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