LM5035 datasheet(1/28 Pages) NSC

Teilenummer	LM5035

Bauteilbeschribung	PWM Controller with Integrated Half-Bridge and SyncFET Drivers

PDF	28 Pages

Scroll/Zoom	100%

Hersteller	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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LM5035

PWM Controller with Integrated Half-Bridge and

SyncFET Drivers

General Description

The LM5035 Half-Bridge Controller/Gate Driver contains all

of the features necessary to implement half-bridge topology

power converters using voltage mode control with line volt-

age feed-forward. The floating high-side gate driver is ca-

pable 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 oscil-

lator 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.

Features

n

105V / 2A Half-Bridge Gate Drivers

n

Synchronous Rectifier Control Outputs with

Programmable Delays

n

High Voltage (105V) Start-up Regulator

n

Voltage mode Control with Line Feed-Forward and Volt

•

Second Limiting

n

Resistor Programmed, 2MHz Capable Oscillator

n

Patent Pending Oscillator Synchronization

n

Programmable Line Under-Voltage Lockout

n

Line Over-Voltage Protection

n

Internal Thermal Shutdown Protection

n

Adjustable Soft-Start

n

Versatile Dual Mode Over-Current Protection with

Hiccup Delay Timer

n

Cycle-by-Cycle Over-Current Protection

n

Direct Opto-coupler Interface

n

5V Reference Output

Packages

n

TSSOP-20EP (Thermally enhanced)

n

LLP-24 (4mm x 5mm)

Simplified Application Diagram

20177501

January 2006

DS201775

www.national.com

Ähnliche Beschreibung - LM5035

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
National Semiconductor ...	LM5035B	553Kb / 28P	PWM Controller with Integrated Half-Bridge and SyncFET Drivers
	LM5035A	601Kb / 30P	PWM Controller with Integrated Half-Bridge and SyncFET PWM Controller with Integrated Half-Bridge and SyncFET
	LM5035C	552Kb / 28P	PWM Controller with Integrated Half-Bridge and SyncFET Drivers
Texas Instruments	LM5035B	1Mb / 36P	LM5035B PWM Controller with Integrated Half-Bridge and SyncFET Drivers
	LM5045MH	1Mb / 38P	Full-Bridge PWM Controller with Integrated MOSFET Drivers
	LM5035A	1Mb / 38P	PWM Controller with Integrated Half-Bridge and SyncFET Drivers
	LM5035	1Mb / 39P	PWM Controller With Integrated Half-Bridge and SyncFET Drivers
	LM5035A	1Mb / 40P	PWM Controller with Integrated Half-Bridge and SyncFET Drivers
	LM5035B	1Mb / 36P	LM5035B PWM Controller with Integrated Half-Bridge and SyncFET Drivers
	LM5035C	1Mb / 35P	PWM Controller with Integrated Half-Bridge and SyncFET Drivers

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