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LM26003MHX PDF预览

LM26003MHX

更新时间: 2024-11-02 05:42:03
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器开关
页数 文件大小 规格书
18页 435K
描述
3A Switching Regulator with High Efficiency Sleep Mode

LM26003MHX 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TSSOP-20Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.21模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:38 V最小输入电压:3 V
标称输入电压:12 VJESD-30 代码:R-PDSO-G20
JESD-609代码:e0长度:6.5 mm
湿度敏感等级:1功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:6.05 A
标称输出电压:5.9 V封装主体材料:PLASTIC/EPOXY
封装代码:HSSOP封装等效代码:TSSOP20,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:500 kHz温度等级:AUTOMOTIVE
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmBase Number Matches:1

LM26003MHX 数据手册

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August 28, 2008  
LM26003  
3A Switching Regulator with High Efficiency Sleep Mode  
General Description  
Features  
The LM26003 is a switching regulator designed for the high  
efficiency requirements of applications with stand-by modes.  
The device features a low-current sleep mode to maintain ef-  
ficiency under light-load conditions and current-mode control  
for accurate regulation over a wide input voltage range. Qui-  
escent current is reduced to 10.8 µA typically in shutdown  
mode and less than 40 µA in sleep mode. Forced PWM mode  
is also available to disable sleep mode.  
High efficiency sleep mode  
40 µA typical Iq in sleep mode  
10.8 µA typical Iq in shutdown mode  
3.0V minimum input voltage  
4.0V to 38V continuous input range  
1.5% reference accuracy  
Cycle-by-cycle current limit  
The LM26003 can deliver up to 3A of continuous load current  
with a fixed current limit, through the internal N-channel  
switch. The part has a wide input voltage range of 4.0V to 38V  
and can operate with input voltages as low as 3V during line  
transients.  
Adjustable Frequency (150 kHz to 500 kHz)  
Synchronizable to an external clock  
Power Good Flag  
Forced PWM function  
Operating frequency is adjustable from 150 kHz to 500 kHz  
with a single resistor and can be synchronized to an external  
clock.  
Adjustable Soft-start  
TSSOP-20 exposed pad package  
Thermal Shut Down  
Other features include Power good, adjustable soft-start, en-  
able pin, input under-voltage protection, and an internal boot-  
strap diode for reduced component count.  
Applications  
Automotive Telematics  
Navigation systems  
In-Dash Instrumentation  
Battery Powered Applications  
Stand-by power for home gateways/set-top boxes  
Typical Application Circuit  
30067601  
© 2008 National Semiconductor Corporation  
300676  
www.national.com  

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