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LM5015MHE/NOPB

更新时间： 2024-09-30 01:10:51
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德州仪器 - TI /
页数 文件大小 规格书
28页 1089K
描述
High Voltage Monolithic Two-Switch Forward DC-DC Regulator

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LM5015MHE/NOPB 数据手册

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LM5015  
www.ti.com  
SNVS538C –NOVEMBER 2007–REVISED APRIL 2013  
LM5015 High Voltage Monolithic Two-Switch Forward DC-DC Regulator  
Check for Samples: LM5015  
1
FEATURES  
DESCRIPTION  
The LM5015 high voltage switch mode regulator  
features all the functions necessary to implement  
efficient high voltage Two-Switch Forward and Two-  
Switch Flyback regulators, using a minimum of  
external components. This easy to use regulator  
integrates high side and low side 75 Volt N-Channel  
MOSFETs with a minimum 1 Amp peak current limit.  
The voltage across the MOSFETs employed in the  
two-switch topology is clamped to the input voltage,  
allowing the input voltage range to approach the  
rating of the MOSFETs. The regulator control method  
is based on current mode control providing inherent  
ease of loop compensation and line feed-forward for  
superior rejection of input transients.  
2
•
•
•
•
•
•
Dual Integrated 75V N-Channel MOSFETs  
Ultra-Wide Input Voltage Range: 4.25V to 75V  
Integrated High Voltage Bias Regulator  
Adjustable Output Voltage  
1.5% Feedback Reference Accuracy  
Current Mode Control with Selectable  
Compensation  
•
•
•
•
•
•
•
•
Wide Bandwidth Error Amplifier  
Integrated Current Sensing and Limiting  
50% Maximum Duty Cycle Limit  
Single Resistor Oscillator Programming  
Oscillator Synchronization Capability  
Programmable Soft-Start  
The operating frequency is set with a single resistor  
and is programmable up to 750 kHz. The oscillator  
can also be synchronized to an external clock.  
Additional protection features include cycle-by-cycle  
current limiting, thermal shutdown, under-voltage  
lockout and remote shutdown capability. The device  
is available in the HTSSOP-14EP package featuring  
an exposed die attach pad to enhance thermal  
dissipation.  
Enable / Under-Voltage Lockout (UVLO) Pin  
Thermal Shutdown  
PACKAGE  
•
HTSSOP-14EP (Exposed Pad)  
Typical Application Schematic  
Input  
(4.25V - 75V)  
Isolated  
Output  
VIN  
EN  
PVIN  
HO  
LM5015  
BST  
VCC  
LO  
RT  
ISOLATED  
FEEDBACK  
COMP  
SS  
FB  
GND  
PGND  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2007–2013, Texas Instruments Incorporated  
1234567...28

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LM5015MHE/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM5015MH/NOPB TI

类似代替

 High Voltage Monolithic Two-Switch Forward DC-DC Regulator
LM5015MHX/NOPB TI

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 High Voltage Monolithic Two-Switch Forward DC-DC Regulator

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