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| 型号： | LMZ14203EXTTZE/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PSSO7 |
| 封装： | 10.16 X 13.77 MM, 4.57 MM HEIGHT, ROHS COMPLIANT, TO-PMOD, 7 PIN |
| 文件页数： | 1/19页 |
| 文件大小： | 4031K |
| 代理商： | LMZ14203EXTTZE/NOPB |
LMZ14203EXT
August 2, 2010
3A SIMPLE SWITCHER Power Module with 42V Maximum
Input Voltage for Military and Rugged Applications
Easy to use 7 pin package
30117886
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 output power
■ Up to 3A output current
■ Input voltage range 6V to 42V
■ Output voltage range 0.8V to 6V
■ Efficiency up to 90%
Key Features
■ – 55°C to 125°C junction temperature range
■ 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
■ 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:
LMZ14203EXT/2EXT/1EXT (42V max 3A, 2A, 1A)
LMZ12003/2/1 (20V max 3A, 2A, 1A)
LMZ14203/2/1 (42V 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
■ Low radiated emissions / High radiated immunity
■ Passes vibration standard
MIL-STD-883 Method 2007.2 Condition A
JESD22–B103B Condition 1
■ Passes drop standard
MIL-STD-883 Method 2002.3 Condition B
JESD22–B110 Condition B
System Performance
Efficiency V
IN = 24V VOUT = 5.0V
30117836
Thermal derating curve
V
IN = 24V, VOUT = 5.0V,
30117837
Radiated Emissions (EN 55022 Class B)
from Evaluation Board
30117838
2010 National Semiconductor Corporation
301178
www.national.com
LMZ14203EXT
3A
SIMPLE
SWITCHER
Power
Module
with
42V
Maximum
Input
Voltage
for
Military
and
Rugged
Applications
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LMZ14203EXTTZNOPB | 制造商:National Semiconductor 功能描述:Simple Switcher Power Module 7-Pin TO-PMOD T/R |
| LMZ14203EXTTZX/NOPB | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| LMZ14203H | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Evaluation Board modules for high output voltage are easy-to-use DC-DC |
| LMZ14203H_1106 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:3A SIMPLE SWITCHER? Power Module for High Output Voltage |
| LMZ14203HEVAL/NOPB | 功能描述:电源管理IC开发工具 LMZ14203H EVAL BOARD RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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