Datasheet > LM5037_15

LM5037_15

更新时间： 2024-02-19 08:05:21

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德州仪器 - TI		/
页数	文件大小	规格书
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LM5037 Dual-Mode PWM Controller With Alternating Outputs

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LM5037

SNVS578D –NOVEMBER 2008–REVISED MAY 2015

LM5037 Dual-Mode PWM Controller With Alternating Outputs

1 Features

3 Description

The LM5037 PWM controller contains all the features

•

High-Voltage (100-V) Start-up Regulator

necessary to implement balanced double-ended

power converter topologies, such as push-pull, half-

bridge and full-bridge. These double-ended

topologies allow for higher efficiencies and greater

power densities compared to common single-ended

topologies such as the flyback and forward. The

device can be configured for either voltage mode or

current mode control with minimum external

components. Two alternating gate drive outputs are

provided, each capable of 1.2-A peak output current.

The device can be configured to operate directly from

the input voltage rail over a wide range of 13 V to

100 V.

Alternating Outputs for Double-Ended Topologies

Current-mode or Feed-forward Voltage-mode

Control

•

Programmable Maximum Duty Cycle Limit

2% Feedback Reference Accuracy

High Gain-bandwidth Error Amplifier

Programmable Line Undervoltage Lockout (UVLO)

with Adjustable Hysteresis

•

Versatile Dual Mode Overcurrent Protection with

Hiccup Delay Timer

•

Programmable Soft-start Time

Additional features include programmable maximum

duty cycle limit, line undervoltage lockout, cycle-by-

cycle current limit and a hiccup mode fault protection

with adjustable timeout delay, soft-start and a 2 MHz

capable oscillator with synchronization capability,

precision reference and thermal shutdown.

Precision 5-V Reference Output

Current Sense Leading Edge Blanking

Resistor Programmed 2-MHz Capable Oscillator

Oscillator Synchronization Capability with Low-

Frequency Lockout Protection

Device Information⁽¹⁾

2 Applications

PART NUMBER

LM5037

PACKAGE

BODY SIZE (NOM)

•

Telecom Power Converters

Industrial Power Converters

TSSOP (16)

5.00 mm × 4.4 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Application

V_IN

V_OUT

LM5037

VIN

VCC

OUTA

OUTB

UVLO

REF

RT1/SYNC RAMP

RT2

RES

COMP

Isolated

Feedback

PGND

AGND

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...40

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与LM5037_15相关器件

型号	品牌	获取价格	描述	数据表
LM5037MT	NSC	获取价格	Dual-Mode PWM Controller With Alternating Outputs
LM5037MT/NOPB	TI	获取价格	LM5037 Dual-Mode PWM Controller With Alternating Outputs
LM5037MTX	NSC	获取价格	Dual-Mode PWM Controller With Alternating Outputs
LM5037MTX/NOPB	TI	获取价格	LM5037 Dual-Mode PWM Controller With Alternating Outputs
LM5039	NSC	获取价格	Half-Bridge PWM Controller with Average Current Limit
LM5039	TI	获取价格	105V / 2A Half-Bridge Gate Drivers, Synchronous Rectifier Control Outputs with Programmabl
LM5039_1	NSC	获取价格	Input Operating Range: 36V to 75V Output Voltage: 3.3V
LM5039_15	TI	获取价格	Half-Bridge PWM Controller with Average Current Limit
LM5039MH	NSC	获取价格	Half-Bridge PWM Controller with Average Current Limit
LM5039MH/NOPB	TI	获取价格	Half-Bridge PWM Controller with Average Current Limit

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