LM5015 - 4.25-75V、单片双开关正向 DC-DC 稳压器

LM5015是TI德州仪器公司的一款隔离式DC/DC转换器产品，LM5015是4.25-75V、单片双开关正向 DC-DC 稳压器，本站介绍了LM5015的封装应用图解、特点和优点、功能等，并给出了与LM5015相关的TI元器件型号供参考。

LM5015 - 4.25-75V、单片双开关正向 DC-DC 稳压器 - 隔离式DC/DC转换器 - 离线隔离型DC/DC控制器和转换器 - 德州仪器

产品描述

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.

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.

产品特性

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
Enable / Under-Voltage Lockout (UVLO) Pin
Thermal Shutdown

Package

HTSSOP-14EP (Exposed Pad)

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