|
LMZ12003_1 Datasheet, PDF (1/16 Pages) National Semiconductor (TI) – 3A SIMPLE SWITCHER® Power Module with 20V Maximum Input Voltage | |||
|
LMZ12003
June 10, 2010
3A SIMPLE SWITCHER® Power Module with 20V Maximum
Input Voltage
Easy to use 7 pin package
Performance Benefits
â Operates at high ambient temperature with no thermal
derating
â High efficiency reduces system heat generation
â Low radiated emissions (EMI) complies with EN55022
class B standard
â Passes 10V/m radiated immunity EMI test standard
EN61000 4-3
TO-PMOD 7 Pin Package
30109086
10.16 x 13.77 x 4.57 mm (0.4 x 0.542 x 0.18 in)
θJA = 20°C/W, θJC = 1.9°C/W
RoHS Compliant
System Performance
Efficiency VIN = 12V VOUT = 5.0V
Electrical Specifications
â 18W maximum total power output
â Up to 3A output current
â Input voltage range 4.5V to 20V
â Output voltage range 0.8V to 6V
â Efficiency up to 92%
Key Features
â Integrated shielded inductor
â Simple PCB layout
â Flexible startup sequencing using external soft-start
capacitor and precision enable
â Protection against inrush currents and faults such as input
UVLO and output short circuit
â -40°C to 125°C junction temperature range
â Single exposed pad and standard pinout for easy
mounting and manufacturing
â Fast transient response for FPGAs and ASICs
â Low output voltage ripple
â Pin-to-pin compatible family:
LMZ14203/2/1 (42V max 3A, 2A, 1A)
LMZ12003/2/1 (20V max 3A, 2A, 1A)
â Fully Webench® Power Designer enabled
Applications
â Point of load conversions from 5V and 12V input rail
â Time critical projects
â Space constrained high thermal requirement applications
â Negative output voltage applications (See AN-2027)
30109018
Thermal derating curve
VIN = 12V VOUT = 5.0V
30109019
Radiated Emissions (EN 55022 Class B)
from Evaluation Board
© 2010 National Semiconductor Corporation 301090
30109050
www.national.com
|
▷ |