LM5035C - PWM Controller with Integrated Half-Bridge and SyncFET Drivers

LM5035C是TI德州仪器公司的一款PWM与谐振控制器产品，LM5035C是PWM Controller with Integrated Half-Bridge and SyncFET Drivers，本站介绍了LM5035C的封装应用图解、特点和优点、功能等，并给出了与LM5035C相关的TI元器件型号供参考。

LM5035C - PWM Controller with Integrated Half-Bridge and SyncFET Drivers - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - 德州仪器

产品描述

The LM5035C Half-Bridge Controller/Gate Driver contains all of the features necessary to implement half-bridge topology power converters using voltage mode control with line voltage feed-forward.

The LM5035C is a functional variant of the LM5035B half-bridge PWM controller. The amplitude of the SR1 and SR2 waveforms are 5V instead of the Vcc level. Also, the soft-stop function is disabled in the LM5035C.

The LM5035, LM5035A, LM5035B, and LM5035C include a floating high-side gate driver, which is capable of operating with supply voltages up to 105V. Both the high-side and low-side gate drivers are capable of 2A peak. An internal high voltage startup regulator is included, along with programmable line undervoltage lockout (UVLO) and overvoltage protection (OVP). The oscillator is programmed with a single resistor to frequencies up to 2MHz. The oscillator can also be synchronized to an external clock. A current sense input and a programmable timer provide cycle-by-cycle current limit and adjustable hiccup mode overload protection. The differences between LM5035, LM5035A, LM5035B, and LM5035C are summarized in .

产品特性

105V / 2A Half-Bridge Gate Drivers
Synchronous Rectifier Control Outputs with Programmable Delays
Reduced Deadtime Between High and Low Side Drive for Higher Maximum Duty Cycle.
High Voltage (105V) Start-up Regulator
Voltage mode Control with Line Feed-Forward and Volt Second Limiting
Resistor Programmed, 2MHz Capable Oscillator
Programmable Line Under-Voltage Lockout and Over-Voltage Protection
Internal Thermal Shutdown Protection
Adjustable Soft-Start
Versatile Dual Mode Over-Current Protection with Hiccup Delay Timer
Cycle-by-Cycle Over-Current Protection
Direct Opto-coupler Interface
Logic level Synchronous Rectifier Drives
5V Reference Output

Packages

HTSSOP-20 (Thermally enhanced)
WQFN-24 (4mm x 5mm)

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