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Product details

Parameters

Input voltage (type) DC/DC Vin (Min) (V) 6 Vin (Max) (V) 42 Iout (Max) (A) 0.5 Vout (Min) (V) 0.2 Vout (Max) (V) 40 Regulated outputs (#) 1 Topology Buck Dimming method PWM Power factor correction (Min) Features Adjustable Switch Frequency, Enable/Shutdown, Integrated Switch, Thermal Shutdown Operating temperature range (C) -40 to 125 Switching frequency (Min) (kHz) 20 Switching frequency (Max) (kHz) 1000 Iq (Typ) (mA) 0.6 Vref (V) 0.2 open-in-new Find other General lighting LED drivers

Package | Pins | Size

HSOIC (DDA) 8 19 mm² 4.9 x 3.9 VSSOP (DGK) 8 15 mm² 3 x 4.9 open-in-new Find other General lighting LED drivers

Features

  • Integrated 0.5-A N-channel MOSFET
  • VIN Range from 6 V to 42 V (LM3402)
  • VIN Range from 6 V to 75 V (LM3402HV)
  • 500 mA Output Current Over Temperature
  • Cycle-by-Cycle Current Limit
  • No Control Loop Compensation Required
  • Separate PWM Dimming and Low Power Shutdown
  • Supports All Ceramic-Output Capacitors and Capacitor-Less Outputs
  • Thermal Shutdown Protection
  • VSSOP, SO PowerPAD Packages
open-in-new Find other General lighting LED drivers

Description

The LM3402/HV are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, they contain a high-side N-channel MOSFET switch with a current limit of 735 mA (typical) for step-down (Buck) regulators. Hysteretic control with controlled ON-time coupled with an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series - parallel connected arrays of LEDs of varying number and type, LED dimming by pulse width modulation (PWM), broken/open LED protection, low-power shutdown and thermal shutdown complete the feature set.

For all available packages, see the orderable addendum at the end of the data sheet.
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TPS92515 ACTIVE 42-V 2-A LED driver with integrated NFET, high-side current sense, and shunt PWM dimming capable This product is an integrated NFET controlled off-time buck LED driver with power-up output current calibration. It supports input voltage up to 42 V.

Technical documentation

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
49
Description

LM3402MA 0.5A Constant Current Buck Regulator for Driving High Power LEDs

Features
  • Integrated 0.5A N-Channel MOSFET
  • Vin Range from 6V to 42V (LM3402)
  • 500 mA Output Current Over Temperature
  • Cycle-by-Cycle Current Limit
  • No Control Loop Compensation Required
  • Separate PWM Dimming and Low Power Shutdown
  • Supports all-ceramic output capacitors and capacitor-less outputs
  • Thermanl shutdown (...)
EVALUATION BOARDS Download
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Description

The LM3404/04HV are buck regulator derived controlled current sources designed to drive a series string of high power, high brightness LEDs (HBLEDs) at forward currents of up to 1.0A (LM3404/04HV). This evaluation board demonstrates the enhanced thermal performance, fast dimming and true constant (...)

EVALUATION BOARDS Download
document-generic User guide
49
Description

The LM3402/02HV and LM3404/04HV are buck regulator derived controlled current sources designed to drive a series string of high power, high brightness LEDs (HBLEDs) such as the Luxeon™ K2 Emitter at forward currents of up to 0.5A (LM3402/02HV) or 1.0A (LM3404/04HV). This evaluation board (...)

Features
  • Integrated 1.0A MOSFET
  • VIN Range 6V to 42V (LM3404)
  • VIN Range 6V to 75V (LM3404HV)
  • 1.2A Output Current Over Temperature
  • Cycle-by-Cycle Current Limit
  • No Control Loop Compensation Required
  • Separate PWM Dimming and Low Power Shutdown
  • Supports All-Ceramic Output Capacitors and Capacitor-Less Outputs
  • Thermal (...)

Design tools & simulation

SIMULATION MODELS Download
SNVM506.ZIP (77 KB) - PSpice Model
SIMULATION MODELS Download
SNVM562.ZIP (21 KB) - TINA-TI Spice Model
SIMULATION MODELS Download
SNVM563.TSC (199 KB) - TINA-TI Reference Design
SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

CAD/CAE symbols

Package Pins Download
SO PowerPAD (DDA) 8 View options
VSSOP (DGK) 8 View options

Ordering & quality

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