LMZ14203TZ-ADJ National Semiconductor, LMZ14203TZ-ADJ Datasheet
LMZ14203TZ-ADJ
Manufacturer Part Number
LMZ14203TZ-ADJ
Description
Manufacturer
National Semiconductor
Datasheets
1.LMZ14203TZX-ADJ.pdf
(18 pages)
2.LMZ14203TZ-ADJ.pdf
(18 pages)
3.LMZ14203TZ-ADJ.pdf
(20 pages)
Specifications of LMZ14203TZ-ADJ
Case
TO-PMOD
Notes
NEW
Date_code
10+
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LMZ14203TZ-ADJ/NOPB
Manufacturer:
NS
Quantity:
1 000
© 2010 National Semiconductor Corporation
3A SIMPLE SWITCHER® Power Module with 42V Maximum
Input Voltage
Electrical Specifications
■
■
■
■
■
Key Features
■
■
■
■
■
■
■
■
■
■
Applications
■
■
■
■
18W maximum total output power
Up to 3A output current
Input voltage range 6V to 42V
Output voltage range 0.8V to 6V
Efficiency up to 90%
Integrated shielded inductor
Simple PCB layout
Flexible startup sequencing using external soft-start 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 powering 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 enabled for Webench® Power Designer
Point of load conversions from 12V and 24V input rail
Time critical projects
Space constrained / high thermal requirement applications
Negative output voltage applications (See AN-2027)
10.16 x 13.77 x 4.57 mm (0.4 x 0.542 x 0.18 in)
θ
Easy to use 7 pin package
JA
TO-PMOD 7 Pin Package
= 20°C/W, θ
RoHS Compliant
JC
= 1.9°C/W
301070
30107086
LMZ14203
Performance Benefits
■
■
■
■
System Performance
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
Radiated Emissions (EN 55022 Class B)
Efficiency V
Thermal derating curve
from Evaluation Board
V
IN
= 24V, V
IN
= 24V V
OUT
= 5.0V,
OUT
= 5.0V
30107036
30107038
30107037
April 12, 2010
www.national.com