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LM5025MTC/NOPB PDF预览

LM5025MTC/NOPB

更新时间: 2024-11-24 11:10:55
品牌 Logo 应用领域
德州仪器 - TI 控制器开关光电二极管
页数 文件大小 规格书
34页 1054K
描述
具有 P 或 N 沟道钳位 FET 和 0.25V CS 阈值的 90V 有源钳位电压模式 PWM 控制器 | PW | 16 | -40 to 125

LM5025MTC/NOPB 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP-16针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:0.66Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:15 V
最小输入电压:8 V标称输入电压:10 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:5 mm湿度敏感等级:1
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
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装等效代码:TSSOP16,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:660 kHz
温度等级:AUTOMOTIVE端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4.4 mmBase Number Matches:1

LM5025MTC/NOPB 数据手册

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Sample &  
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LM5025  
SNVS265C DECEMBER 2003REVISED JANUARY 2016  
LM5025 Active Clamp Voltage Mode PWM Controller  
1 Features  
3 Description  
The LM5025 PWM controller contains all of the  
1
Internal Start-Up Bias Regulator  
3-A Compound Main Gate Driver  
features necessary to implement power converters  
using the active clamp and reset technique. The  
device can be configured to control either a  
P-channel clamp switch or an N-channel clamp  
switch. With the active clamp technique, higher  
efficiencies and greater power densities can be  
realized compared to conventional catch winding or  
RDC clamp and reset techniques.  
Programmable Line Undervoltage Lockout (UVLO)  
With Adjustable Hysteresis  
Voltage Mode Control With Feed-Forward  
Adjustable Dual-Mode Overcurrent Protection  
Programmable Overlap or Deadtime Between the  
Main and Active Clamp Outputs  
Two control outputs are provided, the main power  
switch control (OUT_A), and the active clamp switch  
control (OUT_B). The active clamp output can be  
configured for either a specified overlap time  
(for P-channel switch applications) or a specified  
deadtime (for N_channel applications). The two  
internal compound gate drivers parallel both MOS  
and bipolar devices, providing superior gate drive  
characteristics. This controller is designed for high-  
speed operation including an oscillator frequency  
range up to 1 MHz and total PWM and current sense  
propagation delays less than 100 ns.  
Volt × Second Clamp  
Programmable Soft-Start  
Leading Edge Blanking  
Single Resistor Programmable Oscillator  
Oscillator UP and DOWN Sync Capability  
Precision 5-V Reference  
Thermal Shutdown  
2 Applications  
Server Power Supplies  
The LM5025 includes  
a
high-voltage start-up  
48-V Telecom Power Supplies  
42-V Automotive Applications  
High-Efficiency DC-to-DC Power Supplies  
regulator that operates over a wide input range of  
13 V to 90 V. Additional features include: line  
undervoltage lockout (UVLO), soft-start, oscillator UP  
and DOWN sync capability, precision reference and  
thermal shutdown.  
Device Information(1)  
PART NUMBER  
LM5025  
PACKAGE  
TSSOP (16)  
WSON (16)  
BODY SIZE (NOM)  
5.00 mm × 4.40 mm  
5 00 mm × 5.00 mm  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Simplified Schematic  
VOUT  
3.3V  
VIN  
35 - 78V  
LM5025  
CS1  
CS2  
VCC  
9wwhw  
!at &  
VIN  
L{h[!ÇLhb  
UVLO  
OUT_A  
OUT_B  
COMP  
RAMP  
REF  
Rt  
TIME  
SYNC  
SS  
PGND AGND  
UP/DOWN  
SYNC  
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.  
 
 
 
 

LM5025MTC/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM5025MTCX/NOPB TI

完全替代

具有 P 或 N 沟道钳位 FET 和 0.25V CS 阈值的 90V 有源钳位电压模式

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