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LM5037

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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

1

•

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

necessary

to

implement

balanced

double-ended

•

Alternating Outputs for Double-Ended Topologies

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

•

Current-mode or Feed-forward Voltage-mode

bridge

and

full-bridge.

These

double-ended

Control

topologies allow for higher efficiencies and greater

power densities compared to common single-ended

•

Programmable Maximum Duty Cycle Limit

topologies such as the flyback and forward. The

•

2% Feedback Reference Accuracy

device can be configured for either voltage mode or

•

High Gain-bandwidth Error Amplifier

current

mode

control

with

minimum

external

components. Two alternating gate drive outputs are

•

Programmable Line Undervoltage Lockout (UVLO)

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

with Adjustable Hysteresis

The device can be configured to operate directly from

•

Versatile Dual Mode Overcurrent Protection with

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

Hiccup Delay Timer

100 V.

•

Programmable Soft-start Time

Additional features include programmable maximum

•

Precision 5-V Reference Output

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

•

Current Sense Leading Edge Blanking

cycle current limit and a hiccup mode fault protection

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

•

Resistor Programmed 2-MHz Capable Oscillator

capable oscillator with synchronization capability,

•

Oscillator Synchronization Capability with Low-

precision reference and thermal shutdown.

Frequency Lockout Protection

Device Information(1)

2 Applications

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Telecom Power Converters

LM5037

TSSOP (16)

5.00 mm × 4.4 mm

•

Industrial Power Converters

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

the end of the data sheet.

Simplified Application

1

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.