參數(shù)資料
型號(hào)： LMZ14202EXTTZ
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PSSO7
封裝： 10.16 X 13.77 MM, 4.57 MM HEIGHT, ROHS COMPLIANT, TO-PMOD, 7 PIN
文件頁(yè)數(shù)： 1/20頁(yè)
文件大小： 3943K
代理商： LMZ14202EXTTZ
LMZ14202EXT
August 2, 2010
2A SIMPLE SWITCHER Power Module with 42V Maximum
Input Voltage for Military and Rugged Applications
Easy to use 7 pin package
30117786
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
■ 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
■ – 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)
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
■ 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
30117736
Thermal derating curve
V
IN = 24V, VOUT = 5.0V,
30117737
Radiated Emissions (EN 55022 Class B)
from Evaluation Board
30117739
2010 National Semiconductor Corporation
301177
www.national.com
LMZ14202EXT
2A
SIMPLE
SWITCHER
Power
Module
with
42V
Maximum
Input
Voltage
for
Military
and
Rugged
Applications
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMZ14202EXTTZ/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LMZ14202EXTTZE 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:2A SIMPLE SWITCHER?? Power Module with 42V Maximum Input Voltage for Military and Rugged Applications
LMZ14202EXTTZE/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LMZ14202EXTTZENOPB 制造商:National Semiconductor 功能描述:Simple Switcher Power Module 7-Pin TO-PMOD Rail
LMZ14202EXTTZX 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:2A SIMPLE SWITCHER?? Power Module with 42V Maximum Input Voltage for Military and Rugged Applications
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