Datasheet > LM5035A_15

LM5035A_15

更新时间： 2024-11-20 01:20:07

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德州仪器 - TI		/
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PWM Controller with Integrated Half-Bridge and SyncFET Drivers

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LM5035A_15 数据手册

LM5035A

www.ti.com

SNVS537F –JANUARY 2008–REVISED APRIL 2013

LM5035A/LM5035A-1 PWM Controller with Integrated Half-Bridge and SyncFET Drivers

Check for Samples: LM5035A

FEATURES

DESCRIPTION

The LM5035A 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

LM5035A is a functional variant of the LM5035 half-

bridge PWM controller. The VCC current limit

threshold has been increased to 35 mA. The soft start

and soft start currents have been increased from 50

µA to 100 µA. The BST UV threshold has been

lowered to less than the VCC UV threshold. The ratio

of the T1 and T2 delays on the SR1 and SR2 outputs

has been increased from 2:1 to 3:1. The floating high-

side gate driver 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 Table 2.

•

105V / 2A Half-Bridge Gate Drivers

•

Synchronous Rectifier Control Outputs with

Programmable Delays

•

High Voltage (105V) Start-up Regulator

Voltage mode Control with Line Feed-Forward

and Volt • Second Limiting

•

Resistor Programmed, 2MHz Capable

Oscillator

•

Patent Pending Oscillator Synchronization

Programmable Line Under-Voltage Lockout

Line 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

5V Reference Output

PACKAGES

•

HTSSOP-20

WQFN-24 (4mm x 5mm)

HTSSOP-28 (LM5035A-1 only)

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.

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.

12 3 4 5 6 7...40

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与LM5035A_15相关器件

型号	品牌	获取价格	描述	数据表
LM5035AMH	NSC	获取价格	PWM Controller with Integrated Half-Bridge and SyncFET PWM Controller with Integrated Half
LM5035AMH/NOPB	TI	获取价格	PWM Controller with Integrated Half-Bridge and SyncFET Drivers 20-HTSSOP -40 to 125
LM5035AMH/NOPB	NSC	获取价格	IC 2 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20, Switching Regu
LM5035AMH-1	NSC	获取价格	PWM Controller with Integrated Half-Bridge and SyncFET PWM Controller with Integrated Half
LM5035AMH-1/NOPB	TI	获取价格	PWM Controller with Integrated Half-Bridge and SyncFET Drivers
LM5035AMHX	NSC	获取价格	PWM Controller with Integrated Half-Bridge and SyncFET PWM Controller with Integrated Half
LM5035AMHX/NOPB	TI	获取价格	PWM Controller with Integrated Half-Bridge and SyncFET Drivers 20-HTSSOP -40 to 125
LM5035AMHX/NOPB	NSC	获取价格	IC 2 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20, Switching Regu
LM5035AMHX-1	NSC	获取价格	PWM Controller with Integrated Half-Bridge and SyncFET PWM Controller with Integrated Half
LM5035AMHX-1/NOPB	TI	获取价格	PWM Controller with Integrated Half-Bridge and SyncFET Drivers 28-HTSSOP

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