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LM46002PWPT

更新时间： 2024-09-16 01:06:23
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
52页 1823K
描述
SIMPLE SWITCHER 3.5 V to 60 V 2 A Synchronous Step-Down Voltage Converter

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中文翻译

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LM46002PWPT 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：HTSSOP,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.69其他特性：ALSO OPERATES IN PFM CONTROL TECHNIQUE, ALSO OPERATES IN ADJUSTABLE MODE FROM 1 TO 28V
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：60 V
最小输入电压：3.5 V标称输入电压：24 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e4
湿度敏感等级：2功能数量：1
端子数量：16最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：5 A
最大输出电压：28 V最小输出电压：1 V
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260表面贴装：YES
切换器配置：BUCK最大切换频率：2200 kHz
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

LM46002PWPT 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
LM46002  
SNVSA13B –APRIL 2014–REVISED SEPTEMBER 2014  
LM46002 SIMPLE SWITCHER® 3.5 V to 60 V 2 A Synchronous Step-Down Voltage  
Converter  
1 Features  
3 Description  
The LM46002 SIMPLE SWITCHER® regulator is an  
easy to use synchronous step-down DC-DC  
converter capable of driving up to 2 A of load current  
from an input voltage ranging from 3.5 V to 60 V. The  
LM46002 provides exceptional efficiency, output  
accuracy and drop-out voltage in a very small  
solution size. An extended family is available in  
various load current options and 36 V maximum input  
voltage in pin-to-pin compatible packages, including  
LM46001, LM46000, LM43603, LM43602, LM43601  
and LM43600. Peak current mode control is  
1
•
27 µA Quiescent Current in Regulation  
High Efficiency at Light Load (DCM and PFM)  
Meets EN55022/CISPR 22 EMI standards  
Integrated Synchronous Rectification  
•
•
•
•
Adjustable Frequency Range: 200 kHz to 2.2 MHz  
(500 kHz default)  
•
•
•
Frequency Synchronization to External Clock  
Internal Compensation  
Stable with Almost Any Combination of Ceramic,  
Polymer, Tantalum, and Aluminum Capacitors  
employed  
to  
achieve  
simple  
control  
loop  
compensation and cycle-by-cycle current limiting.  
Optional features such as programmable switching  
•
•
•
•
•
•
•
•
Power-Good Flag  
frequency,  
synchronization,  
power-good  
flag,  
Soft-Start into Pre-Biased Load  
precision enable, internal soft-start, extendable soft-  
start, and tracking provide a flexible and easy to use  
Internal Soft-Start: 4.1 ms  
Extendable Soft-Start Time by External Capacitor  
Output Voltage Tracking Capability  
Precision Enable to Program System UVLO  
Output Short Circuit Protection with Hiccup Mode  
Over Temperature Thermal Shutdown Protection  
platform for  
a
wide range of applications.  
Discontinuous conduction and automatic frequency  
reduction at light loads improve light load efficiency.  
The family requires few external components. Pin  
arrangement allows simple, optimum PCB layout.  
Protection features include thermal shutdown, VCC  
under-voltage lockout, cycle-by-cycle current limit,  
and output short circuit protection. The LM46002  
device is available in the HTSSOP / PWP 16 leaded  
package (5.1 mm x 6.6 mm x 1.2 mm) with 0.65 mm  
lead pitch.  
2 Applications  
•
•
•
•
•
•
Industrial Power Supplies  
Telecommunications Systems  
Sub-AM Band Automotive  
Device Information  
Commercial Vehicle Power Supplies  
General Purpose Wide VIN Regulation  
High Efficiency Point-Of-Load Regulation  
ORDER NUMBER  
PACKAGE  
BODY SIZE  
LM46002PWP  
HTSSOP (16)  
5.1 mm x 6.6 mm  
4 Simplified Schematic  
Radiated Emission Graph  
VIN = 24 V, VOUT = 3.3 V, FS= 500 kHz, IOUT = 2 A  
L
VOUT  
VIN  
80  
VIN  
SW  
Evaluation Board  
COUT  
CIN  
LM46002  
CBOOT  
70  
60  
50  
40  
30  
20  
10  
0
EN 55022 Class B Limit  
EN 55022 Class A Limit  
CBOOT  
BIAS  
ENABLE  
PGOOD  
CBIAS  
CFF  
RFBT  
SS/TRK  
RT  
FB  
VCC  
SYNC  
AGND  
RFBB  
CVCC  
PGND  
0
200  
400  
600  
800  
1000  
Frequency (MHz)  
C001  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
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中文翻译

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LM46002PWPT 替代型号

型号 品牌 替代类型 描述 数据表
LM46002PWPR TI

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 SIMPLE SWITCHER 3.5 V to 60 V 2 A Synchronous Step-Down Voltage Converter
LM46002PWP TI

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