Product details

Topology Push-Pull Duty cycle (Max) (%) 49 Supply voltage (Max) (V) 15 UVLO thresholds on/off (V) 7.6/~5.95 Features Current Limiting, Multi-topology, Programmable Slope Compensation, Soft Start, Synchronization Pin Operating temperature range (C) -40 to 125 Rating Catalog Frequency (Max) (kHz) 1000 Gate drive (Typ) (A) 1.5
Topology Push-Pull Duty cycle (Max) (%) 49 Supply voltage (Max) (V) 15 UVLO thresholds on/off (V) 7.6/~5.95 Features Current Limiting, Multi-topology, Programmable Slope Compensation, Soft Start, Synchronization Pin Operating temperature range (C) -40 to 125 Rating Catalog Frequency (Max) (kHz) 1000 Gate drive (Typ) (A) 1.5
VSSOP (DGS) 10 9 mm² 3 x 3 WSON (DPR) 10 16 mm² 4 x 4
  • Internal High-Voltage Start-Up Regulator
  • Single Resistor Oscillator Setting
  • Synchronizable
  • Error Amplifier
  • Precision Reference
  • Adjustable Softstart
  • Dual Mode Overcurrent Protection
  • Slope Compensation
  • Direct Optocoupler Interface
  • 1.5-A Peak Gate Drivers
  • Thermal Shutdown
  • Internal High-Voltage Start-Up Regulator
  • Single Resistor Oscillator Setting
  • Synchronizable
  • Error Amplifier
  • Precision Reference
  • Adjustable Softstart
  • Dual Mode Overcurrent Protection
  • Slope Compensation
  • Direct Optocoupler Interface
  • 1.5-A Peak Gate Drivers
  • Thermal Shutdown

The LM5030 high-voltage PWM controller contains all of the features needed to implement push-pull and bridge topologies, using current-mode control in a small 10-pin package. This device provides two alternating gate driver outputs. The LM5030 includes a high-voltage start-up regulator that operates over a wide input range of 14 V to 100 V. Additional features include: error amplifier, precision reference, dual mode current limit, slope compensation, softstart, sync capability, and thermal shutdown. This high speed IC has total propagation delays less than 100 ns and a 1-MHz capable single-resistor adjustable oscillator.

The LM5030 high-voltage PWM controller contains all of the features needed to implement push-pull and bridge topologies, using current-mode control in a small 10-pin package. This device provides two alternating gate driver outputs. The LM5030 includes a high-voltage start-up regulator that operates over a wide input range of 14 V to 100 V. Additional features include: error amplifier, precision reference, dual mode current limit, slope compensation, softstart, sync capability, and thermal shutdown. This high speed IC has total propagation delays less than 100 ns and a 1-MHz capable single-resistor adjustable oscillator.

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Technical documentation

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Type Title Date
* Data sheet LM5030 100-V Push-Pull Current Mode PWM Controller datasheet (Rev. D) 24 Nov 2015
White paper Power Electronics in Motor Drives: Where is it? (Rev. A) 01 Oct 2019
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Is Your IGBT Gate-Driver Power Supply Optimized 12 Mar 2015
User guide AN-1305 LM5030 Evaluation Board (Rev. A) 06 May 2013
Application note LM5030 Application: DC - DC Converter Utilizing the Push-Pull Topology 21 Mar 2007
White paper PWM DC-DC Cntrllrs w/Built-In Strt-Up Regs Simp Switch Pwr Supply Design 01 Oct 2005
White paper Communications System Power Supply Designs 01 Jan 2004

Design & development

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Evaluation board

LM5030EVAL — 100V Push-Pull Current Mode PWM Controller

LM5030 100 V Push-Pull Current Mode PWM Controller

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Simulation model

LM5030 PSPICE Model

SNVM017.ZIP (596 KB) - PSpice Model
Calculation tool

LM5030MATHCAD-CALC — LM5030 Mathcad Design Tools

Reference designs

TIDA-00181 — Isolated IGBT Gate-Drive Push-Pull Power Supply with 4 Outputs

This reference design provides isolated positive and negative voltage rails required for Insulated Gate Bipolar Transistor (IGBT) gate drivers from a single 24-volt DC input supply. IGBTs are used in three phase inverters for variable-frequency drives to control the speed of AC motors. This (...)
Reference designs

TIDA-01352 — 400-W Continuous, Scalable, ±2.5- to ±150-V, Programmable Ultrasound Power Supply Reference Design

The TIDA-01352 enables modular and efficient power scaling capability by providing a solution for digitally programmable power supply for powering ultrasound transmit circuit. The design uses push-pull topology to generate high-voltage (HV) and low- (LV) or MID- voltage power supplies. The HV (...)
Package Pins Download
VSSOP (DGS) 10 View options
WSON (DPR) 10 View options

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