LM5033 Datasheet, PDF (1/16 Pages) National Semiconductor (TI) – 100V Push-Pull Voltage Mode PWM Controller

April 2004
LM5033
100V Push-Pull Voltage Mode PWM Controller
General Description
The LM5033 High Voltage PWM controller contains all the
features needed to implement Push-Pull, Half-Bridge, and
Full-Bridge topologies. Applications include closed loop volt-
age mode converters with a highly regulated output voltage,
or an open loop "DC transformer" such as an Intermediate
Bus Converter (IBC) with an efficiency >95%. The small 10
pin LLP-10 package with exposed pad provides for efficient
thermal management. Two alternating gate driver outputs
with a guaranteed deadtime are provided. The LM5033 in-
cludes a start-up regulator that operates over a wide input
range of 15V to 100V. Additional features include: precision
voltage reference output, current limit detection, remote
shutdown, softstart, sync capability and thermal shutdown.
This high speed IC has total propagation delays less than
100 ns and a 1MHz capable oscillator.
Features
n Internal high voltage (100V) start-up regulator
n Single resistor oscillator setting
n Synchronizable
n Precision reference output
n Adjustable soft-start
n Over-current protection
n Direct optocoupler interface
n 1.5A peak gate drivers
n Thermal Shutdown
Applications
n Intermediate DC/DC Bus Converter
n Telecommunication Power Converters
n Industrial Power Converters
n +42V Automotive Systems
Package
n LLP-10
Connection Diagram
20035401
10 -Lead Plastic, Dual, LLP
Ordering Information
Order Number
LM5033SD
LM5033SDX
Package Type
LLP-10 (4 x 4 mm)
LLP-10 (4 x 4 mm)
NSC Package Drawing
SDC10A
SDC10A
Supplied As
1000 Units on Tape and Reel
4500 Units on Tape and Reel
© 2004 National Semiconductor Corporation DS200354
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