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| 型号： | LMZ14202TZE-ADJ |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, PSSO7 |
| 封装： | 10.16 X 13.77 MM, 4.57 MM HEIGHT, ROHS COMPLIANT, TO-PMOD, 7 PIN |
| 文件页数： | 1/18页 |
| 文件大小： | 1157K |
| 代理商： | LMZ14202TZE-ADJ |
LMZ14202
June 10, 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, 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
■ 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 VOUT = 5.0V
30114536
Thermal derating curve
V
IN = 24V, VOUT = 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LMZ14202TZE-ADJ/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 |
| LMZ14202TZX-ADJ | 制造商:NSC 制造商全称:National Semiconductor 功能描述:2A SIMPLE SWITCHER? Power Module with 42V Maximum Input Voltage |
| LMZ14202TZX-ADJ/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 |
| LMZ14202TZXADJNOPB | 制造商:Texas Instruments 功能描述:Module DC-DC 1-OUT 0.8V to 6V 2A 12W 7-Pin TO-PMOD EP |
| LMZ14203 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:3A SIMPLE SWITCHER? Power Module with 42V Maximum |
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