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LMZ14203EVAL/NOPB 产品手册 - TI（德州仪器）
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TI（德州仪器）
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开发板
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TEXAS INSTRUMENTS LMZ14203EVAL/NOPB 评估板, LMZ14203 6V, 3A 降压稳压器
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LMZ14203EVAL/NOPB数据手册
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LMZ14202
April 12, 2010
2A SIMPLE SWITCHER® Power Module with 42V Maximum
Input Voltage
Easy to use 7 pin package
30114586
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, θ
JC
= 1.9°C/W
RoHS Compliant
Electrical Specifications
■
12W maximum total output power
■
Up to 2A output current
■
Input voltage range 6V to 42V
■
Output voltage range 0.8V to 6V
■
Efficiency up to 90%
Key Features
■
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
Applications
■
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)
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
■
Low external component count
System Performance
Efficiency V
IN
= 24V V
OUT
= 5.0V
30114536
Thermal derating curve
V
IN
= 24V, V
OUT
= 5.0V,
30114537
Radiated Emissions (EN 55022 Class B)
from Evaluation Board
30114539
© 2010 National Semiconductor Corporation 301145 www.national.com
LMZ14202 2A SIMPLE SWITCHER® Power Module with 42V Maximum Input Voltage
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