VIN
FB
EN
RT GND
SW
LM5001
VCC
COMP
+12V to +36V +48V
LM5001
,
LM5001-Q1
SNVS484H –JANUARY 2007–REVISED JULY 2015
LM5001x High-Voltage Switch-Mode Regulator
1 Features 3 Description
The LM5001 high-voltage switch-mode regulator
1
• AEC-Q100 Qualified (T
J
= –40°C to 125°C)
features all of the functions necessary to implement
• Integrated 75-V N-Channel MOSFET
efficient high-voltage Boost, Flyback, SEPIC and
• Ultra-Wide Input Voltage Range from
Forward converters, using few external components.
3.1 V to 75 V
This easy-to-use regulator integrates a 75-V N-
Channel MOSFET with a 1-A peak current limit.
• Integrated High Voltage Bias Regulator
Current mode control provides inherently simple loop
• Adjustable Output Voltage
compensation and line-voltage feed-forward for
• 1.5% Output Voltage Accuracy
superior rejection of input transients. The switching
frequency is set with a single resistor and is
• Current Mode Control with Selectable
programmable up to 1.5 MHz. The oscillator can also
Compensation
be synchronized to an external clock. Additional
• Wide Bandwidth Error Amplifier
protection features include: current limit, thermal
• Integrated Current Sensing and Limiting
shutdown, undervoltage lockout and remote
shutdown capability.
• Integrated Slope Compensation
• 85% Maximum Duty Cycle Limit
Device Information
(1)
• Single Resistor Oscillator Programming
DEVICE NAME PACKAGE BODY SIZE
• Oscillator Synchronization Capability
SOIC (8) 4.9 mm x 3.91 mm
LM5001
• Enable / Undervoltage Lockout (UVLO) Pin
WSON (8) 4 mm x 4 mm
• Thermal Shutdown
LM5001Q1 SOIC (8) 4.9 mm x 3.91 mm
(1) For all available packages, see the orderable addendum at
2 Applications
the end of the datasheet.
• DC-DC Power Supplies for Industrial,
Communications, and Automotive Applications
• Boost, Flyback, SEPIC and Forward Converter
Topologies
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.
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